/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:50:10,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:50:10,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:50:10,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:50:10,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:50:10,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:50:10,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:50:10,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:50:10,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:50:10,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:50:10,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:50:10,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:50:10,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:50:10,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:50:10,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:50:10,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:50:10,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:50:10,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:50:10,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:50:10,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:50:10,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:50:10,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:50:10,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:50:10,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:50:10,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:50:10,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:50:10,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:50:10,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:50:10,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:50:10,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:50:10,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:50:10,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:50:10,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:50:10,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:50:10,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:50:10,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:50:10,124 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:50:10,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:50:10,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:50:10,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:50:10,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:50:10,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 10:50:10,160 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:50:10,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:50:10,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:50:10,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:50:10,162 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:50:10,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:50:10,162 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:50:10,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:50:10,163 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:50:10,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:50:10,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:50:10,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:50:10,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:50:10,164 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:50:10,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:50:10,164 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:50:10,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:50:10,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:50:10,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:50:10,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:50:10,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:50:10,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:50:10,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:50:10,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:50:10,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:50:10,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:50:10,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:50:10,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:50:10,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:50:10,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:50:10,446 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:50:10,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:50:10,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:50:10,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:50:10,466 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:50:10,467 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-07 10:50:10,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e63a499/7d07c4e2f3b14dcd991f12aaa602b0dd/FLAG7cb425949 [2020-07-07 10:50:11,086 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:50:11,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-07-07 10:50:11,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e63a499/7d07c4e2f3b14dcd991f12aaa602b0dd/FLAG7cb425949 [2020-07-07 10:50:11,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95e63a499/7d07c4e2f3b14dcd991f12aaa602b0dd [2020-07-07 10:50:11,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:50:11,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:50:11,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:50:11,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:50:11,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:50:11,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:50:11" (1/1) ... [2020-07-07 10:50:11,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b19309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:11, skipping insertion in model container [2020-07-07 10:50:11,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:50:11" (1/1) ... [2020-07-07 10:50:11,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:50:11,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:50:11,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:50:11,989 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:50:12,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:50:12,101 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:50:12,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12 WrapperNode [2020-07-07 10:50:12,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:50:12,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:50:12,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:50:12,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:50:12,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12" (1/1) ... [2020-07-07 10:50:12,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12" (1/1) ... [2020-07-07 10:50:12,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12" (1/1) ... [2020-07-07 10:50:12,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12" (1/1) ... [2020-07-07 10:50:12,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12" (1/1) ... [2020-07-07 10:50:12,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12" (1/1) ... [2020-07-07 10:50:12,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12" (1/1) ... [2020-07-07 10:50:12,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:50:12,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:50:12,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:50:12,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:50:12,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:50:12,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:50:12,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:50:12,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:50:12,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:50:12,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:50:12,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:50:12,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:50:12,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:50:12,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:50:12,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:50:12,257 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:50:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:50:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:50:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:50:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:50:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:50:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:50:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:50:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:50:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:50:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:50:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:50:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 10:50:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:50:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:50:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:50:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:50:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:50:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:50:12,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:50:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:50:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:50:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:50:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:50:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:50:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:50:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:50:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:50:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:50:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:50:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:50:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:50:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:50:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:50:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:50:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:50:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:50:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:50:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:50:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:50:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:50:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:50:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:50:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:50:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:50:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:50:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:50:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:50:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:50:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:50:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:50:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:50:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:50:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:50:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:50:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:50:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:50:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 10:50:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:50:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:50:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:50:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:50:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:50:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:50:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:50:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:50:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:50:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:50:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:50:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:50:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:50:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:50:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:50:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:50:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:50:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:50:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-07 10:50:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:50:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:50:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:50:12,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:50:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:50:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:50:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:50:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:50:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:50:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:50:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:50:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:50:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:50:13,371 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:50:13,371 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:50:13,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:50:13 BoogieIcfgContainer [2020-07-07 10:50:13,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:50:13,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:50:13,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:50:13,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:50:13,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:50:11" (1/3) ... [2020-07-07 10:50:13,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512cff90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:50:13, skipping insertion in model container [2020-07-07 10:50:13,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:50:12" (2/3) ... [2020-07-07 10:50:13,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@512cff90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:50:13, skipping insertion in model container [2020-07-07 10:50:13,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:50:13" (3/3) ... [2020-07-07 10:50:13,390 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2020-07-07 10:50:13,401 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:50:13,410 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:50:13,423 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:50:13,444 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:50:13,444 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:50:13,445 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:50:13,445 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:50:13,445 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:50:13,445 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:50:13,446 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:50:13,446 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:50:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-07 10:50:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:50:13,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:13,484 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:13,484 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:13,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:13,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1391539258, now seen corresponding path program 1 times [2020-07-07 10:50:13,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:13,501 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733463] [2020-07-07 10:50:13,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,142 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:14,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733463] [2020-07-07 10:50:14,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:14,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:50:14,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428503743] [2020-07-07 10:50:14,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:50:14,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:14,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:50:14,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:50:14,279 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 4 states. [2020-07-07 10:50:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:15,526 INFO L93 Difference]: Finished difference Result 340 states and 436 transitions. [2020-07-07 10:50:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:50:15,528 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:50:15,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:15,543 INFO L225 Difference]: With dead ends: 340 [2020-07-07 10:50:15,543 INFO L226 Difference]: Without dead ends: 188 [2020-07-07 10:50:15,548 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:50:15,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-07-07 10:50:15,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 153. [2020-07-07 10:50:15,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-07 10:50:15,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2020-07-07 10:50:15,678 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 59 [2020-07-07 10:50:15,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:15,679 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2020-07-07 10:50:15,679 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:50:15,679 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2020-07-07 10:50:15,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:50:15,683 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:15,683 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:15,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:50:15,684 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:15,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:15,685 INFO L82 PathProgramCache]: Analyzing trace with hash 404948371, now seen corresponding path program 1 times [2020-07-07 10:50:15,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:15,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455459666] [2020-07-07 10:50:15,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,019 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:16,078 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455459666] [2020-07-07 10:50:16,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:16,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:50:16,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937917610] [2020-07-07 10:50:16,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:50:16,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:16,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:50:16,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:50:16,082 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 5 states. [2020-07-07 10:50:16,639 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:17,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:17,715 INFO L93 Difference]: Finished difference Result 275 states and 336 transitions. [2020-07-07 10:50:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:50:17,718 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:50:17,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:17,725 INFO L225 Difference]: With dead ends: 275 [2020-07-07 10:50:17,725 INFO L226 Difference]: Without dead ends: 178 [2020-07-07 10:50:17,729 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:50:17,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-07-07 10:50:17,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 144. [2020-07-07 10:50:17,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-07-07 10:50:17,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-07-07 10:50:17,792 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 60 [2020-07-07 10:50:17,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:17,793 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-07-07 10:50:17,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:50:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-07-07 10:50:17,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:50:17,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:17,796 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:17,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:50:17,796 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:17,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:17,796 INFO L82 PathProgramCache]: Analyzing trace with hash 539093391, now seen corresponding path program 1 times [2020-07-07 10:50:17,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:17,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105960860] [2020-07-07 10:50:17,797 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,156 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:18,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:18,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105960860] [2020-07-07 10:50:18,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:18,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:18,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086020669] [2020-07-07 10:50:18,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:18,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:18,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:18,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:18,302 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 9 states. [2020-07-07 10:50:18,748 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:19,068 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:19,336 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:19,602 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:20,499 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:22,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:22,433 INFO L93 Difference]: Finished difference Result 485 states and 599 transitions. [2020-07-07 10:50:22,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:50:22,434 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-07 10:50:22,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:22,439 INFO L225 Difference]: With dead ends: 485 [2020-07-07 10:50:22,439 INFO L226 Difference]: Without dead ends: 369 [2020-07-07 10:50:22,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:50:22,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-07-07 10:50:22,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 304. [2020-07-07 10:50:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-07-07 10:50:22,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 368 transitions. [2020-07-07 10:50:22,515 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 368 transitions. Word has length 65 [2020-07-07 10:50:22,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:22,516 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 368 transitions. [2020-07-07 10:50:22,516 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:22,516 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 368 transitions. [2020-07-07 10:50:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-07 10:50:22,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:22,519 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:50:22,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:50:22,519 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:22,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:22,520 INFO L82 PathProgramCache]: Analyzing trace with hash -652418830, now seen corresponding path program 1 times [2020-07-07 10:50:22,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:22,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472256429] [2020-07-07 10:50:22,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,889 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:23,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:50:23,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472256429] [2020-07-07 10:50:23,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:23,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:23,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66254493] [2020-07-07 10:50:23,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:23,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:23,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:23,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:23,014 INFO L87 Difference]: Start difference. First operand 304 states and 368 transitions. Second operand 9 states. [2020-07-07 10:50:23,486 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:24,161 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:25,100 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:25,334 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:25,640 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:25,905 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:26,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:26,734 INFO L93 Difference]: Finished difference Result 795 states and 1028 transitions. [2020-07-07 10:50:26,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:50:26,734 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-07 10:50:26,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:26,740 INFO L225 Difference]: With dead ends: 795 [2020-07-07 10:50:26,741 INFO L226 Difference]: Without dead ends: 519 [2020-07-07 10:50:26,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:50:26,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-07-07 10:50:26,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 451. [2020-07-07 10:50:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-07-07 10:50:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 537 transitions. [2020-07-07 10:50:26,830 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 537 transitions. Word has length 70 [2020-07-07 10:50:26,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:26,830 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 537 transitions. [2020-07-07 10:50:26,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 537 transitions. [2020-07-07 10:50:26,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-07 10:50:26,834 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:26,834 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] [2020-07-07 10:50:26,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:50:26,834 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:26,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:26,835 INFO L82 PathProgramCache]: Analyzing trace with hash -918633805, now seen corresponding path program 1 times [2020-07-07 10:50:26,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:26,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141248285] [2020-07-07 10:50:26,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,101 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:27,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141248285] [2020-07-07 10:50:27,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:27,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:27,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605278401] [2020-07-07 10:50:27,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:27,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:27,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:27,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:27,314 INFO L87 Difference]: Start difference. First operand 451 states and 537 transitions. Second operand 9 states. [2020-07-07 10:50:27,730 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:28,817 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:29,065 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:50:29,360 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:29,623 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:30,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:30,832 INFO L93 Difference]: Finished difference Result 1362 states and 1793 transitions. [2020-07-07 10:50:30,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:50:30,834 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-07-07 10:50:30,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:30,840 INFO L225 Difference]: With dead ends: 1362 [2020-07-07 10:50:30,841 INFO L226 Difference]: Without dead ends: 939 [2020-07-07 10:50:30,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:50:30,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-07-07 10:50:31,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 811. [2020-07-07 10:50:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-07-07 10:50:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 969 transitions. [2020-07-07 10:50:31,020 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 969 transitions. Word has length 108 [2020-07-07 10:50:31,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:31,021 INFO L479 AbstractCegarLoop]: Abstraction has 811 states and 969 transitions. [2020-07-07 10:50:31,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 969 transitions. [2020-07-07 10:50:31,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-07 10:50:31,024 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:31,024 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] [2020-07-07 10:50:31,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:50:31,025 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:31,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:31,025 INFO L82 PathProgramCache]: Analyzing trace with hash -678093676, now seen corresponding path program 1 times [2020-07-07 10:50:31,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:31,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333691147] [2020-07-07 10:50:31,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,291 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:31,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:31,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333691147] [2020-07-07 10:50:31,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:31,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:50:31,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139329615] [2020-07-07 10:50:31,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:50:31,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:31,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:50:31,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:50:31,440 INFO L87 Difference]: Start difference. First operand 811 states and 969 transitions. Second operand 9 states. [2020-07-07 10:50:32,642 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:32,903 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:33,163 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:33,397 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:34,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:34,303 INFO L93 Difference]: Finished difference Result 1729 states and 2208 transitions. [2020-07-07 10:50:34,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:50:34,305 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-07-07 10:50:34,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:34,311 INFO L225 Difference]: With dead ends: 1729 [2020-07-07 10:50:34,311 INFO L226 Difference]: Without dead ends: 946 [2020-07-07 10:50:34,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:50:34,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2020-07-07 10:50:34,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 831. [2020-07-07 10:50:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2020-07-07 10:50:34,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 989 transitions. [2020-07-07 10:50:34,497 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 989 transitions. Word has length 108 [2020-07-07 10:50:34,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:34,497 INFO L479 AbstractCegarLoop]: Abstraction has 831 states and 989 transitions. [2020-07-07 10:50:34,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:50:34,497 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 989 transitions. [2020-07-07 10:50:34,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-07 10:50:34,506 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:34,506 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] [2020-07-07 10:50:34,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:50:34,509 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:34,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:34,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1250179026, now seen corresponding path program 1 times [2020-07-07 10:50:34,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:34,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038177833] [2020-07-07 10:50:34,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,797 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:34,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:34,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038177833] [2020-07-07 10:50:34,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:34,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:50:34,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081703147] [2020-07-07 10:50:34,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:50:34,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:34,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:50:34,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:50:34,944 INFO L87 Difference]: Start difference. First operand 831 states and 989 transitions. Second operand 11 states. [2020-07-07 10:50:35,841 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:36,202 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:36,553 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:37,478 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:37,756 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:38,014 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:39,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:39,079 INFO L93 Difference]: Finished difference Result 1544 states and 1934 transitions. [2020-07-07 10:50:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:50:39,081 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-07-07 10:50:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:39,086 INFO L225 Difference]: With dead ends: 1544 [2020-07-07 10:50:39,086 INFO L226 Difference]: Without dead ends: 741 [2020-07-07 10:50:39,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:50:39,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-07-07 10:50:39,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 664. [2020-07-07 10:50:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-07-07 10:50:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 775 transitions. [2020-07-07 10:50:39,241 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 775 transitions. Word has length 108 [2020-07-07 10:50:39,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:39,241 INFO L479 AbstractCegarLoop]: Abstraction has 664 states and 775 transitions. [2020-07-07 10:50:39,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:50:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 775 transitions. [2020-07-07 10:50:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-07 10:50:39,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:39,246 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] [2020-07-07 10:50:39,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:50:39,250 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:39,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:39,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1890897259, now seen corresponding path program 1 times [2020-07-07 10:50:39,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:39,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29594570] [2020-07-07 10:50:39,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,717 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:39,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:50:39,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29594570] [2020-07-07 10:50:39,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:50:39,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:50:39,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326660984] [2020-07-07 10:50:39,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:50:39,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:39,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:50:39,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:50:39,940 INFO L87 Difference]: Start difference. First operand 664 states and 775 transitions. Second operand 12 states. [2020-07-07 10:50:40,532 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:41,199 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:41,949 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:42,266 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:42,529 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:42,828 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:43,110 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:45,388 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:45,684 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:46,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:50:46,351 INFO L93 Difference]: Finished difference Result 1955 states and 2469 transitions. [2020-07-07 10:50:46,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:50:46,351 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-07-07 10:50:46,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:50:46,364 INFO L225 Difference]: With dead ends: 1955 [2020-07-07 10:50:46,364 INFO L226 Difference]: Without dead ends: 1505 [2020-07-07 10:50:46,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:50:46,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1505 states. [2020-07-07 10:50:46,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1505 to 1367. [2020-07-07 10:50:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-07-07 10:50:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1597 transitions. [2020-07-07 10:50:46,737 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1597 transitions. Word has length 112 [2020-07-07 10:50:46,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:50:46,741 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1597 transitions. [2020-07-07 10:50:46,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:50:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1597 transitions. [2020-07-07 10:50:46,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-07 10:50:46,748 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:50:46,749 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 10:50:46,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:50:46,749 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:50:46,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:50:46,750 INFO L82 PathProgramCache]: Analyzing trace with hash 828062466, now seen corresponding path program 1 times [2020-07-07 10:50:46,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:50:46,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312202757] [2020-07-07 10:50:46,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:50:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,105 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:50:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-07 10:50:47,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312202757] [2020-07-07 10:50:47,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582412465] [2020-07-07 10:50:47,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:50:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:50:47,710 INFO L264 TraceCheckSpWp]: Trace formula consists of 975 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:50:47,726 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:50:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:50:47,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:50:47,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:50:47,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561812010] [2020-07-07 10:50:47,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:50:47,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:50:47,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:50:47,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:50:47,907 INFO L87 Difference]: Start difference. First operand 1367 states and 1597 transitions. Second operand 20 states. [2020-07-07 10:50:48,465 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:48,824 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:49,099 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:49,350 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:50:50,097 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:50,416 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:50,769 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:51,104 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:50:52,543 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:53,401 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:50:53,948 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:50:54,292 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:50:54,910 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:50:55,327 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:55,963 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:50:56,862 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:50:57,436 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:50:58,269 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:50:59,135 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:50:59,700 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:51:00,001 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:51:00,292 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:00,567 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:00,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:00,911 INFO L93 Difference]: Finished difference Result 3093 states and 3764 transitions. [2020-07-07 10:51:00,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-07 10:51:00,912 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 172 [2020-07-07 10:51:00,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:00,923 INFO L225 Difference]: With dead ends: 3093 [2020-07-07 10:51:00,924 INFO L226 Difference]: Without dead ends: 1934 [2020-07-07 10:51:00,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=893, Invalid=3529, Unknown=0, NotChecked=0, Total=4422 [2020-07-07 10:51:00,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2020-07-07 10:51:01,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1704. [2020-07-07 10:51:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1704 states. [2020-07-07 10:51:01,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 1984 transitions. [2020-07-07 10:51:01,284 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 1984 transitions. Word has length 172 [2020-07-07 10:51:01,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:01,285 INFO L479 AbstractCegarLoop]: Abstraction has 1704 states and 1984 transitions. [2020-07-07 10:51:01,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:51:01,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 1984 transitions. [2020-07-07 10:51:01,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-07-07 10:51:01,299 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:01,300 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:01,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-07 10:51:01,514 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:01,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:01,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1205235534, now seen corresponding path program 1 times [2020-07-07 10:51:01,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:01,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316113248] [2020-07-07 10:51:01,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,891 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,599 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 109 proven. 48 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2020-07-07 10:51:02,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316113248] [2020-07-07 10:51:02,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110413067] [2020-07-07 10:51:02,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:02,992 INFO L264 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:51:03,030 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 292 proven. 4 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-07-07 10:51:03,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:03,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 26 [2020-07-07 10:51:03,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376247380] [2020-07-07 10:51:03,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-07 10:51:03,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:03,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-07 10:51:03,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=566, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:51:03,367 INFO L87 Difference]: Start difference. First operand 1704 states and 1984 transitions. Second operand 26 states. [2020-07-07 10:51:04,300 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:05,155 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:06,008 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:06,523 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:51:07,006 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-07 10:51:07,290 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:07,632 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:07,883 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:08,158 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:08,419 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:09,502 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:09,827 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:15,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:15,106 INFO L93 Difference]: Finished difference Result 5087 states and 7211 transitions. [2020-07-07 10:51:15,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-07 10:51:15,106 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 343 [2020-07-07 10:51:15,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:15,132 INFO L225 Difference]: With dead ends: 5087 [2020-07-07 10:51:15,132 INFO L226 Difference]: Without dead ends: 3434 [2020-07-07 10:51:15,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 482 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2045 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=1270, Invalid=5210, Unknown=0, NotChecked=0, Total=6480 [2020-07-07 10:51:15,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2020-07-07 10:51:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 2080. [2020-07-07 10:51:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2020-07-07 10:51:15,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2428 transitions. [2020-07-07 10:51:15,722 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2428 transitions. Word has length 343 [2020-07-07 10:51:15,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:15,722 INFO L479 AbstractCegarLoop]: Abstraction has 2080 states and 2428 transitions. [2020-07-07 10:51:15,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-07 10:51:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2428 transitions. [2020-07-07 10:51:15,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-07-07 10:51:15,733 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:15,734 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:15,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:51:15,950 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:15,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:15,950 INFO L82 PathProgramCache]: Analyzing trace with hash 860879079, now seen corresponding path program 1 times [2020-07-07 10:51:15,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:15,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514420507] [2020-07-07 10:51:15,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,433 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:16,937 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 94 proven. 42 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-07-07 10:51:16,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514420507] [2020-07-07 10:51:16,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879127438] [2020-07-07 10:51:16,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:17,178 INFO L264 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 12 conjunts are in the unsatisfiable core [2020-07-07 10:51:17,190 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 269 proven. 16 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-07-07 10:51:17,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:17,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9] total 22 [2020-07-07 10:51:17,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024409991] [2020-07-07 10:51:17,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:51:17,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:17,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:51:17,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:51:17,484 INFO L87 Difference]: Start difference. First operand 2080 states and 2428 transitions. Second operand 22 states. [2020-07-07 10:51:18,380 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:51:18,941 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:19,481 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:19,952 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:21,000 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:51:22,507 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:51:22,985 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:51:23,428 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:51:24,226 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:25,148 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:25,399 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:26,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:26,473 INFO L93 Difference]: Finished difference Result 4091 states and 4932 transitions. [2020-07-07 10:51:26,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-07 10:51:26,474 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 319 [2020-07-07 10:51:26,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:26,487 INFO L225 Difference]: With dead ends: 4091 [2020-07-07 10:51:26,488 INFO L226 Difference]: Without dead ends: 2242 [2020-07-07 10:51:26,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2020-07-07 10:51:26,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2020-07-07 10:51:26,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2082. [2020-07-07 10:51:26,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2082 states. [2020-07-07 10:51:26,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 2424 transitions. [2020-07-07 10:51:26,942 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 2424 transitions. Word has length 319 [2020-07-07 10:51:26,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:26,946 INFO L479 AbstractCegarLoop]: Abstraction has 2082 states and 2424 transitions. [2020-07-07 10:51:26,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:51:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2424 transitions. [2020-07-07 10:51:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-07-07 10:51:26,957 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:26,958 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:27,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:51:27,171 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:27,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:27,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1311267660, now seen corresponding path program 1 times [2020-07-07 10:51:27,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:27,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789215948] [2020-07-07 10:51:27,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,511 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:28,096 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 85 proven. 21 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-07-07 10:51:28,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789215948] [2020-07-07 10:51:28,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901337445] [2020-07-07 10:51:28,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:28,437 INFO L264 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:51:28,443 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 197 proven. 16 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-07-07 10:51:28,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:28,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 22 [2020-07-07 10:51:28,717 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103035548] [2020-07-07 10:51:28,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-07-07 10:51:28,718 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:28,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-07-07 10:51:28,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-07-07 10:51:28,719 INFO L87 Difference]: Start difference. First operand 2082 states and 2424 transitions. Second operand 22 states. [2020-07-07 10:51:29,295 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:30,099 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:30,451 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:30,954 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:32,998 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:33,395 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:33,707 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:33,969 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:34,307 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:34,567 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:36,234 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:36,521 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:36,781 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:37,031 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:37,526 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:51:37,788 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:38,275 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:51:38,604 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:51:39,116 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:51:39,630 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:51:40,687 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:51:41,011 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:41,379 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:41,658 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:51:42,233 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 10:51:42,757 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 10:51:43,727 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:51:46,265 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:46,570 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:46,847 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:51:47,367 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:47,880 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:51:50,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:50,796 INFO L93 Difference]: Finished difference Result 8509 states and 11188 transitions. [2020-07-07 10:51:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2020-07-07 10:51:50,801 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 320 [2020-07-07 10:51:50,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:50,837 INFO L225 Difference]: With dead ends: 8509 [2020-07-07 10:51:50,838 INFO L226 Difference]: Without dead ends: 6233 [2020-07-07 10:51:50,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 448 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4125 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=2091, Invalid=9899, Unknown=0, NotChecked=0, Total=11990 [2020-07-07 10:51:50,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6233 states. [2020-07-07 10:51:52,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6233 to 4851. [2020-07-07 10:51:52,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4851 states. [2020-07-07 10:51:52,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 5545 transitions. [2020-07-07 10:51:52,054 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 5545 transitions. Word has length 320 [2020-07-07 10:51:52,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:52,056 INFO L479 AbstractCegarLoop]: Abstraction has 4851 states and 5545 transitions. [2020-07-07 10:51:52,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-07-07 10:51:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 5545 transitions. [2020-07-07 10:51:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-07-07 10:51:52,075 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:52,075 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:52,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:52,290 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:52,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:52,291 INFO L82 PathProgramCache]: Analyzing trace with hash -706627240, now seen corresponding path program 1 times [2020-07-07 10:51:52,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:52,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213969498] [2020-07-07 10:51:52,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,610 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:52,990 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 94 proven. 4 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2020-07-07 10:51:52,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213969498] [2020-07-07 10:51:52,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [252098119] [2020-07-07 10:51:52,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:53,239 INFO L264 TraceCheckSpWp]: Trace formula consists of 1481 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-07 10:51:53,248 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:53,314 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2020-07-07 10:51:53,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:51:53,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2020-07-07 10:51:53,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753496726] [2020-07-07 10:51:53,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:51:53,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:53,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:51:53,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:51:53,316 INFO L87 Difference]: Start difference. First operand 4851 states and 5545 transitions. Second operand 3 states. [2020-07-07 10:51:53,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:53,911 INFO L93 Difference]: Finished difference Result 7897 states and 9055 transitions. [2020-07-07 10:51:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:51:53,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2020-07-07 10:51:53,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:53,928 INFO L225 Difference]: With dead ends: 7897 [2020-07-07 10:51:53,929 INFO L226 Difference]: Without dead ends: 3110 [2020-07-07 10:51:53,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:51:53,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3110 states. [2020-07-07 10:51:54,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3110 to 3030. [2020-07-07 10:51:54,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2020-07-07 10:51:54,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3406 transitions. [2020-07-07 10:51:54,550 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3406 transitions. Word has length 371 [2020-07-07 10:51:54,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:54,551 INFO L479 AbstractCegarLoop]: Abstraction has 3030 states and 3406 transitions. [2020-07-07 10:51:54,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:51:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3406 transitions. [2020-07-07 10:51:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2020-07-07 10:51:54,560 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:54,560 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:54,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-07 10:51:54,774 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:54,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:54,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1448952650, now seen corresponding path program 1 times [2020-07-07 10:51:54,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:54,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417257152] [2020-07-07 10:51:54,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,111 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 131 proven. 4 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2020-07-07 10:51:55,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417257152] [2020-07-07 10:51:55,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312087131] [2020-07-07 10:51:55,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:55,866 INFO L264 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:51:55,875 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:56,127 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2020-07-07 10:51:56,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:51:56,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [21] total 26 [2020-07-07 10:51:56,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6606946] [2020-07-07 10:51:56,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:51:56,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:56,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:51:56,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:51:56,130 INFO L87 Difference]: Start difference. First operand 3030 states and 3406 transitions. Second operand 8 states. [2020-07-07 10:51:56,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:51:56,921 INFO L93 Difference]: Finished difference Result 5674 states and 6396 transitions. [2020-07-07 10:51:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:51:56,927 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 374 [2020-07-07 10:51:56,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:51:56,940 INFO L225 Difference]: With dead ends: 5674 [2020-07-07 10:51:56,941 INFO L226 Difference]: Without dead ends: 2936 [2020-07-07 10:51:56,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 493 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=576, Unknown=0, NotChecked=0, Total=650 [2020-07-07 10:51:56,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2020-07-07 10:51:57,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2926. [2020-07-07 10:51:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2926 states. [2020-07-07 10:51:57,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 3285 transitions. [2020-07-07 10:51:57,504 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 3285 transitions. Word has length 374 [2020-07-07 10:51:57,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:51:57,505 INFO L479 AbstractCegarLoop]: Abstraction has 2926 states and 3285 transitions. [2020-07-07 10:51:57,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:51:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 3285 transitions. [2020-07-07 10:51:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2020-07-07 10:51:57,514 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:51:57,514 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:51:57,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:57,730 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:51:57,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:51:57,730 INFO L82 PathProgramCache]: Analyzing trace with hash -380711344, now seen corresponding path program 1 times [2020-07-07 10:51:57,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:51:57,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971084218] [2020-07-07 10:51:57,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:51:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,200 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:51:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 145 proven. 11 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2020-07-07 10:51:58,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971084218] [2020-07-07 10:51:58,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923550982] [2020-07-07 10:51:58,739 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:51:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:51:59,003 INFO L264 TraceCheckSpWp]: Trace formula consists of 1492 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:51:59,030 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:51:59,336 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 224 proven. 46 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-07-07 10:51:59,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:51:59,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 12] total 25 [2020-07-07 10:51:59,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322484393] [2020-07-07 10:51:59,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-07-07 10:51:59,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:51:59,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-07-07 10:51:59,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2020-07-07 10:51:59,339 INFO L87 Difference]: Start difference. First operand 2926 states and 3285 transitions. Second operand 25 states. [2020-07-07 10:52:00,396 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-07 10:52:01,266 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:52:02,862 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 10:52:03,301 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:03,623 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:03,884 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:52:07,385 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:07,921 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:52:11,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:11,198 INFO L93 Difference]: Finished difference Result 5556 states and 6813 transitions. [2020-07-07 10:52:11,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-07-07 10:52:11,199 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 378 [2020-07-07 10:52:11,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:11,201 INFO L225 Difference]: With dead ends: 5556 [2020-07-07 10:52:11,201 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:52:11,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 531 SyntacticMatches, 6 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2343 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1174, Invalid=6482, Unknown=0, NotChecked=0, Total=7656 [2020-07-07 10:52:11,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:52:11,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:52:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:52:11,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:52:11,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 378 [2020-07-07 10:52:11,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:11,220 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:52:11,220 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-07-07 10:52:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:52:11,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:52:11,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-07-07 10:52:11,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:52:17,553 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 849 DAG size of output: 669 [2020-07-07 10:52:19,552 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 593 DAG size of output: 436 [2020-07-07 10:52:20,755 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 229 [2020-07-07 10:52:22,409 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 227 [2020-07-07 10:52:24,225 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 229 [2020-07-07 10:52:26,783 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 712 DAG size of output: 516 [2020-07-07 10:52:40,287 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 675 DAG size of output: 513 [2020-07-07 10:52:42,257 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 663 DAG size of output: 437 [2020-07-07 10:52:46,091 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 417 [2020-07-07 10:52:55,993 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2020-07-07 10:52:58,542 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 205 DAG size of output: 44 [2020-07-07 10:52:59,055 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-07-07 10:52:59,437 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 10:52:59,585 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-07-07 10:53:05,275 WARN L193 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 572 DAG size of output: 65 [2020-07-07 10:53:06,675 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 191 DAG size of output: 42 [2020-07-07 10:53:08,715 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 171 DAG size of output: 77 [2020-07-07 10:53:09,630 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 40 [2020-07-07 10:53:11,827 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 329 DAG size of output: 61 [2020-07-07 10:53:12,005 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-07-07 10:53:14,701 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 288 DAG size of output: 46 [2020-07-07 10:53:14,908 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:15,111 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 10:53:15,312 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 29 [2020-07-07 10:53:18,081 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 415 DAG size of output: 65 [2020-07-07 10:53:22,873 WARN L193 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 315 DAG size of output: 67 [2020-07-07 10:53:23,058 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-07-07 10:53:23,868 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 1 [2020-07-07 10:53:27,289 WARN L193 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 245 DAG size of output: 53 [2020-07-07 10:53:27,739 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-07-07 10:53:28,307 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-07-07 10:53:28,876 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-07-07 10:53:32,193 WARN L193 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 224 DAG size of output: 54 [2020-07-07 10:53:36,875 WARN L193 SmtUtils]: Spent 4.67 s on a formula simplification. DAG size of input: 304 DAG size of output: 55 [2020-07-07 10:53:41,089 WARN L193 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 446 DAG size of output: 59 [2020-07-07 10:53:43,194 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 336 DAG size of output: 56 [2020-07-07 10:53:43,334 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-07 10:53:45,419 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 201 DAG size of output: 41 [2020-07-07 10:53:46,438 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 186 DAG size of output: 40 [2020-07-07 10:53:48,008 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 192 DAG size of output: 40 [2020-07-07 10:53:49,374 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2020-07-07 10:53:51,126 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 192 DAG size of output: 44 [2020-07-07 10:53:51,285 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-07 10:53:51,488 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:53:53,166 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 161 DAG size of output: 70 [2020-07-07 10:53:54,797 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 197 DAG size of output: 40 [2020-07-07 10:53:56,526 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 313 DAG size of output: 58 [2020-07-07 10:53:56,713 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-07-07 10:53:56,919 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:53:59,596 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 206 DAG size of output: 49 [2020-07-07 10:53:59,783 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-07-07 10:54:00,323 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-07-07 10:54:00,527 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:54:02,268 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 199 DAG size of output: 43 [2020-07-07 10:54:02,496 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-07 10:54:03,931 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 191 DAG size of output: 45 [2020-07-07 10:54:04,074 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 1 [2020-07-07 10:54:05,417 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 190 DAG size of output: 45 [2020-07-07 10:54:07,615 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 329 DAG size of output: 67 [2020-07-07 10:54:09,301 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 231 DAG size of output: 46 [2020-07-07 10:54:09,503 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:54:12,839 WARN L193 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 355 DAG size of output: 68 [2020-07-07 10:54:13,053 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 27 [2020-07-07 10:54:13,589 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-07-07 10:54:13,594 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:54:13,595 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:54:13,595 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 10:54:13,595 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-07 10:54:13,595 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:54:13,595 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-07 10:54:13,595 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:54:13,595 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:54:13,596 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-07 10:54:13,597 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 984 990) the Hoare annotation is: true [2020-07-07 10:54:13,597 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 984 990) no Hoare annotation was computed. [2020-07-07 10:54:13,597 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 991 999) no Hoare annotation was computed. [2020-07-07 10:54:13,597 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 991 999) the Hoare annotation is: true [2020-07-07 10:54:13,597 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 991 999) no Hoare annotation was computed. [2020-07-07 10:54:13,597 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 918 925) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:13,598 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 918 925) no Hoare annotation was computed. [2020-07-07 10:54:13,598 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 918 925) no Hoare annotation was computed. [2020-07-07 10:54:13,598 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 926 935) the Hoare annotation is: (let ((.cse2 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse11 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse10 (not (= 0 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse3 .cse10) (or .cse7 .cse0 .cse3 .cse10 .cse5 .cse6) (or .cse7 .cse11 .cse3 .cse10 .cse6) (or .cse7 .cse11 .cse3 .cse4 .cse6) (or .cse7 .cse8 .cse2 .cse3 .cse4 .cse6) (or .cse8 .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse7 .cse9 .cse11 .cse3 .cse10) (or .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse8 .cse9 .cse1 .cse3 .cse10) (or .cse11 .cse1 .cse3 .cse4 .cse6) (or .cse8 .cse1 .cse3 .cse10 .cse6) (or .cse0 .cse9 .cse1 .cse3 .cse10 .cse5) (or .cse7 .cse0 .cse9 .cse3 .cse10 .cse5) (or .cse11 .cse9 .cse1 .cse3 .cse10) (or .cse7 .cse8 .cse3 .cse10 .cse6) (or .cse11 .cse1 .cse3 .cse10 .cse6) (or .cse0 .cse1 .cse3 .cse10 .cse5 .cse6))) [2020-07-07 10:54:13,598 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 926 935) no Hoare annotation was computed. [2020-07-07 10:54:13,598 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 926 935) no Hoare annotation was computed. [2020-07-07 10:54:13,599 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-07 10:54:13,599 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse9 (not (= 1 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse7 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse8 (not (<= ~waterLevel~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 .cse6 .cse7 .cse2 .cse8) (or .cse7 .cse1 .cse4 .cse2) (or .cse0 .cse7 .cse1 .cse2) (or .cse9 .cse7 .cse4 .cse2) (or .cse9 .cse4 .cse10 .cse5 .cse3) (or .cse0 .cse9 .cse2 .cse3) (or .cse0 .cse9 .cse7 .cse2) (or .cse1 .cse4 .cse2 .cse3) (or .cse9 .cse4 .cse2 .cse3) (or .cse6 .cse4 .cse2 .cse8 .cse3) (or .cse0 .cse6 .cse2 .cse8 .cse3) (or .cse6 .cse4 .cse10 .cse5 .cse8 .cse3) (or .cse6 .cse7 .cse4 .cse2 .cse8))) [2020-07-07 10:54:13,599 INFO L268 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2020-07-07 10:54:13,599 INFO L268 CegarLoopResult]: For program point L948(lines 948 958) no Hoare annotation was computed. [2020-07-07 10:54:13,599 INFO L264 CegarLoopResult]: At program point L946(line 946) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse11 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (= 1 ~waterLevel~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (= 0 ~systemActive~0))) (.cse6 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse10 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse7 .cse4 .cse2 .cse3) (or .cse8 .cse1 .cse4 .cse2) (or .cse0 .cse8 .cse1 .cse2) (or .cse6 .cse9 .cse8 .cse4 .cse2 .cse10) (or .cse1 .cse4 .cse2 .cse3) (or .cse6 .cse7 .cse4 .cse11 .cse5 .cse3) (or .cse6 .cse9 .cse4 .cse11 .cse5 .cse10 .cse3) (or .cse0 .cse6 .cse7 .cse2 .cse3) (or .cse6 .cse9 .cse4 .cse2 .cse10 .cse3) (or .cse0 .cse6 .cse7 .cse8 .cse2) (or .cse6 .cse7 .cse8 .cse4 .cse2) (or .cse6 .cse0 .cse9 .cse8 .cse2 .cse10) (or .cse6 .cse0 .cse9 .cse2 .cse10 .cse3))) [2020-07-07 10:54:13,600 INFO L268 CegarLoopResult]: For program point L946-1(line 946) no Hoare annotation was computed. [2020-07-07 10:54:13,600 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 936 964) the Hoare annotation is: true [2020-07-07 10:54:13,600 INFO L268 CegarLoopResult]: For program point L944(lines 944 961) no Hoare annotation was computed. [2020-07-07 10:54:13,600 INFO L268 CegarLoopResult]: For program point L944-1(lines 936 964) no Hoare annotation was computed. [2020-07-07 10:54:13,600 INFO L271 CegarLoopResult]: At program point L942(line 942) the Hoare annotation is: true [2020-07-07 10:54:13,600 INFO L268 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2020-07-07 10:54:13,600 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 936 964) no Hoare annotation was computed. [2020-07-07 10:54:13,601 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 893 915) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:54:13,601 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 893 915) no Hoare annotation was computed. [2020-07-07 10:54:13,601 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 893 915) no Hoare annotation was computed. [2020-07-07 10:54:13,601 INFO L264 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,601 INFO L264 CegarLoopResult]: At program point L905-1(line 905) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,601 INFO L268 CegarLoopResult]: For program point L903(lines 903 910) no Hoare annotation was computed. [2020-07-07 10:54:13,601 INFO L268 CegarLoopResult]: For program point L903-1(lines 903 910) no Hoare annotation was computed. [2020-07-07 10:54:13,602 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-07 10:54:13,602 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:54:13,602 INFO L264 CegarLoopResult]: At program point L899(line 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:54:13,602 INFO L264 CegarLoopResult]: At program point L899-1(line 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:54:13,602 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-07 10:54:13,602 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-07 10:54:13,602 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2020-07-07 10:54:13,602 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-07 10:54:13,603 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-07 10:54:13,603 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-07 10:54:13,603 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2020-07-07 10:54:13,603 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-07 10:54:13,603 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2020-07-07 10:54:13,603 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-07 10:54:13,603 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-07 10:54:13,603 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-07 10:54:13,603 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-07 10:54:13,604 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-07-07 10:54:13,604 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-07 10:54:13,604 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-07-07 10:54:13,604 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-07-07 10:54:13,604 INFO L264 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (not (<= ~waterLevel~0 0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse3 .cse7 .cse4) (or .cse8 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse9 .cse10 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse8 .cse9 .cse10 .cse2 .cse4))) [2020-07-07 10:54:13,604 INFO L268 CegarLoopResult]: For program point L544-1(line 544) no Hoare annotation was computed. [2020-07-07 10:54:13,604 INFO L268 CegarLoopResult]: For program point L542(lines 542 559) no Hoare annotation was computed. [2020-07-07 10:54:13,605 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 538 562) the Hoare annotation is: (let ((.cse11 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse4 .cse9 .cse6) (or .cse10 .cse0 .cse8 .cse9 .cse5 .cse6) (or .cse11 .cse8 .cse4 .cse9 .cse6) (or .cse10 .cse11 .cse8 .cse9 .cse6) (or .cse11 .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse10 .cse7 .cse8 .cse9 .cse6) (or .cse0 .cse8 .cse4 .cse9 .cse5 .cse6))) [2020-07-07 10:54:13,605 INFO L264 CegarLoopResult]: At program point L557(line 557) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse10 (not (= 2 ~waterLevel~0))) (.cse4 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse3) (or .cse0 .cse4 .cse2 .cse9 .cse3) (or .cse1 .cse2 .cse8 .cse3) (or .cse0 .cse10 .cse2 .cse3) (or .cse1 .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse10 .cse2 .cse8 .cse3) (or .cse4 .cse2 .cse8 .cse9 .cse3))) [2020-07-07 10:54:13,605 INFO L268 CegarLoopResult]: For program point L557-1(lines 538 562) no Hoare annotation was computed. [2020-07-07 10:54:13,605 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 538 562) no Hoare annotation was computed. [2020-07-07 10:54:13,605 INFO L264 CegarLoopResult]: At program point L552(line 552) the Hoare annotation is: (let ((.cse8 (not (= 2 ~waterLevel~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse7 (not (<= ~waterLevel~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4))) (.cse0 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse3 .cse7 .cse4) (or .cse8 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse9 .cse10 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse1 .cse3 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse9 .cse10 .cse2 .cse4))) [2020-07-07 10:54:13,606 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse2 .cse7 .cse8 .cse3) (or .cse1 .cse2 .cse7 .cse3) (or .cse4 .cse9 .cse10 .cse7 .cse5 .cse3) (or .cse0 .cse6 .cse2 .cse8 .cse3) (or .cse4 .cse2 .cse7 .cse5 .cse3) (or .cse1 .cse9 .cse10 .cse7 .cse3))) [2020-07-07 10:54:13,606 INFO L268 CegarLoopResult]: For program point L546(lines 546 554) no Hoare annotation was computed. [2020-07-07 10:54:13,606 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 697 711) no Hoare annotation was computed. [2020-07-07 10:54:13,606 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse13 (= |old(~systemActive~0)| ~systemActive~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (not (= 0 ~systemActive~0)))) (let ((.cse9 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse13 .cse14 .cse15 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse12 (and .cse13 .cse14 .cse15)) (.cse2 (and .cse13 .cse14)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse10 (= 0 |old(~systemActive~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 1 |old(~systemActive~0)|)) .cse5) (or .cse6 .cse7 .cse8) (or .cse6 .cse3 .cse4 .cse9 .cse8 .cse10) (or .cse0 .cse6 .cse3 .cse9 .cse4 .cse10) (or .cse0 .cse1 .cse7 .cse5) (or .cse0 .cse3 .cse11 .cse10 .cse12) (or .cse0 .cse6 .cse7) (or .cse3 .cse11 .cse8 .cse10 .cse12) (or .cse11 .cse7 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse8 .cse10 .cse5) (or .cse0 .cse11 .cse7) (or .cse1 .cse7 .cse8 .cse5)))) [2020-07-07 10:54:13,606 INFO L268 CegarLoopResult]: For program point L701(lines 701 707) no Hoare annotation was computed. [2020-07-07 10:54:13,607 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 697 711) the Hoare annotation is: (let ((.cse14 (= |old(~systemActive~0)| ~systemActive~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse16 (not (= 0 ~systemActive~0)))) (let ((.cse9 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse14 .cse15 .cse16 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0))) (.cse13 (and .cse14 .cse15 .cse16)) (.cse12 (not (= 2 ~waterLevel~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse2 (and .cse14 .cse15)) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse10 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (= 0 |old(~systemActive~0)|)) (.cse5 (not (<= ~waterLevel~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse14 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 1 |old(~systemActive~0)|)) .cse5) (or .cse0 .cse1 .cse6 .cse7 .cse5) (or .cse8 .cse3 .cse4 .cse9 .cse10 .cse11) (or .cse1 .cse6 .cse10 .cse7 .cse5) (or .cse0 .cse8 .cse3 .cse9 .cse4 .cse11) (or .cse0 .cse3 .cse12 .cse11 .cse13) (or .cse3 .cse12 .cse10 .cse11 .cse13) (or .cse12 .cse6 .cse10 .cse7) (or .cse8 .cse6 .cse10 .cse7) (or .cse0 .cse12 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse10 .cse11 .cse5) (or .cse0 .cse8 .cse6 .cse7)))) [2020-07-07 10:54:13,607 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 697 711) no Hoare annotation was computed. [2020-07-07 10:54:13,607 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2020-07-07 10:54:13,607 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2020-07-07 10:54:13,607 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2020-07-07 10:54:13,607 INFO L268 CegarLoopResult]: For program point L672(line 672) no Hoare annotation was computed. [2020-07-07 10:54:13,607 INFO L268 CegarLoopResult]: For program point L672-1(line 672) no Hoare annotation was computed. [2020-07-07 10:54:13,607 INFO L268 CegarLoopResult]: For program point L661(lines 661 669) no Hoare annotation was computed. [2020-07-07 10:54:13,608 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 669) no Hoare annotation was computed. [2020-07-07 10:54:13,608 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 642 677) no Hoare annotation was computed. [2020-07-07 10:54:13,608 INFO L268 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-07-07 10:54:13,608 INFO L268 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-07-07 10:54:13,608 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 642 677) no Hoare annotation was computed. [2020-07-07 10:54:13,608 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 642 677) no Hoare annotation was computed. [2020-07-07 10:54:13,608 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 977 983) no Hoare annotation was computed. [2020-07-07 10:54:13,608 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 977 983) the Hoare annotation is: true [2020-07-07 10:54:13,608 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:54:13,609 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:54:13,609 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:54:13,609 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-07 10:54:13,609 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:54:13,609 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:54:13,609 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:54:13,609 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:54:13,609 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:54:13,610 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 879 889) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:54:13,610 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 879 889) no Hoare annotation was computed. [2020-07-07 10:54:13,610 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 879 889) no Hoare annotation was computed. [2020-07-07 10:54:13,610 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,610 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2020-07-07 10:54:13,610 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2020-07-07 10:54:13,610 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2020-07-07 10:54:13,610 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-07 10:54:13,610 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-07 10:54:13,611 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 0 ~systemActive~0))) (let ((.cse6 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 0 ~waterLevel~0))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse9 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2 (not .cse7) (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0))) (.cse10 (not (= 1 ~waterLevel~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse8 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= 1 ~systemActive~0))) (or .cse3 .cse2 .cse6 .cse7 .cse8) (or .cse0 .cse2 .cse3 .cse6 .cse7) (or .cse9 .cse0 .cse10 .cse3 .cse4 .cse7) (or .cse1 .cse3 .cse2 .cse4 .cse7 .cse8 .cse5) (or .cse9 .cse10 .cse3 .cse4 .cse7 .cse8)))) [2020-07-07 10:54:13,611 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2020-07-07 10:54:13,611 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2020-07-07 10:54:13,611 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 801 814) no Hoare annotation was computed. [2020-07-07 10:54:13,611 INFO L268 CegarLoopResult]: For program point L805(lines 805 811) no Hoare annotation was computed. [2020-07-07 10:54:13,611 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 801 814) the Hoare annotation is: true [2020-07-07 10:54:13,611 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 801 814) no Hoare annotation was computed. [2020-07-07 10:54:13,612 INFO L264 CegarLoopResult]: At program point L574(line 574) the Hoare annotation is: (let ((.cse10 (not (= 2 ~waterLevel~0))) (.cse4 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~5))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse0 .cse4 .cse7 .cse8 .cse9 .cse5 .cse3) (or .cse0 .cse10 .cse2 .cse3) (or .cse4 .cse7 .cse8 .cse6 .cse5 .cse3) (or .cse10 .cse2 .cse6 .cse3) (or .cse4 .cse2 .cse6 .cse5 .cse3) (or .cse0 .cse1 .cse7 .cse8 .cse9 .cse3) (or .cse1 .cse7 .cse8 .cse6 .cse3))) [2020-07-07 10:54:13,612 INFO L268 CegarLoopResult]: For program point L572(lines 572 580) no Hoare annotation was computed. [2020-07-07 10:54:13,612 INFO L264 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~waterLevel~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse10 (not (= 2 ~waterLevel~0))) (.cse4 (not (<= 0 ~waterLevel~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= ~waterLevel~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse3) (or .cse0 .cse1 .cse6 .cse5 .cse7 .cse3) (or .cse0 .cse4 .cse6 .cse5 .cse7 .cse9 .cse3) (or .cse0 .cse4 .cse2 .cse9 .cse3) (or .cse1 .cse2 .cse8 .cse3) (or .cse0 .cse10 .cse2 .cse3) (or .cse1 .cse5 .cse6 .cse7 .cse8 .cse3) (or .cse10 .cse2 .cse8 .cse3) (or .cse4 .cse2 .cse8 .cse9 .cse3))) [2020-07-07 10:54:13,612 INFO L268 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-07-07 10:54:13,612 INFO L268 CegarLoopResult]: For program point L568(lines 568 585) no Hoare annotation was computed. [2020-07-07 10:54:13,612 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 564 588) no Hoare annotation was computed. [2020-07-07 10:54:13,613 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 564 588) the Hoare annotation is: (let ((.cse8 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (= 0 ~pumpRunning~0)) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse2 .cse1 .cse3 .cse6) (or .cse7 .cse0 .cse2 .cse1 .cse3 .cse5 .cse6) (or .cse9 .cse10 .cse4 .cse11 .cse6) (or .cse7 .cse0 .cse10 .cse11 .cse5 .cse6) (or .cse8 .cse10 .cse4 .cse11 .cse6) (or .cse7 .cse8 .cse10 .cse11 .cse6) (or .cse8 .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse7 .cse9 .cse10 .cse11 .cse6) (or .cse0 .cse10 .cse4 .cse11 .cse5 .cse6))) [2020-07-07 10:54:13,613 INFO L264 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse7 (not (<= ~waterLevel~0 0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse3 .cse7 .cse4) (or .cse8 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse9 .cse10 .cse7 .cse4) (or .cse6 .cse9 .cse10 .cse2 .cse7 .cse4) (or .cse5 .cse8 .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse8 .cse9 .cse10 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse8 .cse9 .cse10 .cse2 .cse4))) [2020-07-07 10:54:13,613 INFO L268 CegarLoopResult]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2020-07-07 10:54:13,613 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (let ((.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 processEnvironment_~tmp~5))) (.cse10 (not (= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (= 1 ~waterLevel~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse6) (or .cse7 .cse0 .cse9 .cse5 .cse6) (or .cse8 .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse8 .cse9 .cse3 .cse6) (or .cse7 .cse10 .cse9 .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse10 .cse9 .cse3 .cse6) (or .cse7 .cse8 .cse1 .cse2 .cse6) (or .cse0 .cse9 .cse3 .cse5 .cse6))) [2020-07-07 10:54:13,613 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-07 10:54:13,614 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 530 536) the Hoare annotation is: true [2020-07-07 10:54:13,614 INFO L264 CegarLoopResult]: At program point L481(lines 430 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,614 INFO L264 CegarLoopResult]: At program point testENTRY(lines 421 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:54:13,614 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (let ((.cse9 (= 2 ~waterLevel~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 0 ~waterLevel~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse0 .cse1 .cse2 .cse3 (<= ~waterLevel~0 1) (= 1 ~systemActive~0) .cse4) (and .cse5 .cse1 .cse6 .cse7) (and .cse1 .cse8 .cse2 .cse9 .cse4) (and .cse5 .cse1 .cse3 .cse6 .cse10) (and .cse0 .cse1 .cse5 .cse8 .cse7 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse8 .cse9 .cse4) (and .cse1 .cse2 .cse6 .cse9) (let ((.cse11 (+ |old(~waterLevel~0)| 1))) (and (<= ~waterLevel~0 .cse11) .cse5 .cse1 .cse6 (<= .cse11 ~waterLevel~0))) (and .cse0 .cse1 .cse8 .cse2 .cse7 .cse4) (and .cse1 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse1 .cse8 .cse3 .cse10 .cse4) (not (= 1 |old(~systemActive~0)|)) (and .cse1 .cse2 .cse3 .cse6 .cse10) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:54:13,614 INFO L268 CegarLoopResult]: For program point testFINAL(lines 421 488) no Hoare annotation was computed. [2020-07-07 10:54:13,614 INFO L268 CegarLoopResult]: For program point L469(lines 469 475) no Hoare annotation was computed. [2020-07-07 10:54:13,615 INFO L264 CegarLoopResult]: At program point L469-1(lines 461 476) the Hoare annotation is: (let ((.cse15 (+ |old(~waterLevel~0)| 1))) (let ((.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse10 (= 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 1)) (.cse11 (= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 0 ~waterLevel~0)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (<= ~waterLevel~0 .cse15)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse8 (= 0 ~systemActive~0)) (.cse9 (= 0 ~pumpRunning~0)) (.cse14 (<= .cse15 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse2 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse7 .cse8 .cse9 .cse10) (and .cse2 .cse7 .cse11 .cse5 .cse6) (and .cse1 .cse2 .cse11 .cse5 .cse6) (and .cse1 .cse2 .cse8 .cse9 .cse10) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse8 .cse3 .cse9 .cse12) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse7 .cse9 .cse11 .cse5) (and .cse1 .cse2 .cse3 .cse9 .cse4 .cse5) (and .cse13 .cse2 .cse7 .cse8 .cse9 .cse14) (and .cse2 .cse7 .cse3 .cse9 .cse4 .cse5) (and .cse1 .cse2 .cse9 .cse11 .cse5) (and .cse2 .cse7 .cse8 .cse3 .cse9 .cse12) (not (= 1 |old(~systemActive~0)|)) (and .cse13 .cse1 .cse2 .cse8 .cse9 .cse14) (not (= 1 |old(~waterLevel~0)|))))) [2020-07-07 10:54:13,615 INFO L268 CegarLoopResult]: For program point L432(lines 431 480) no Hoare annotation was computed. [2020-07-07 10:54:13,615 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse11 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse8 (= 0 ~pumpRunning~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 0 ~waterLevel~0)) (.cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= 2 ~waterLevel~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse6 .cse7 .cse5) (and .cse1 .cse2 .cse3 .cse8 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse6 .cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse9 .cse1 .cse2 .cse8 .cse10) (and .cse9 .cse2 .cse11 .cse10 .cse5) (and .cse0 .cse1 .cse2 .cse7 .cse5) (not (= 1 |old(~systemActive~0)|)) (and .cse9 .cse2 .cse6 .cse8 .cse10) (and .cse2 .cse6 .cse3 .cse8 .cse4) (and .cse2 .cse11 .cse8 .cse7) (and .cse0 .cse2 .cse6 .cse3 .cse4 .cse5) (not (= 1 |old(~waterLevel~0)|)) (and .cse9 .cse2 .cse6 .cse10 .cse5))) [2020-07-07 10:54:13,615 INFO L268 CegarLoopResult]: For program point L461(lines 461 476) no Hoare annotation was computed. [2020-07-07 10:54:13,616 INFO L264 CegarLoopResult]: At program point L453(line 453) the Hoare annotation is: (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse10 (= 1 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse7 (= 0 ~systemActive~0)) (.cse2 (<= 0 ~waterLevel~0)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse11 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse9 (= 2 ~waterLevel~0)) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (= 1 ~systemActive~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse6 .cse7 .cse8 .cse10) (and .cse0 .cse1 .cse7 .cse9 .cse8) (and .cse0 .cse1 .cse9 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse11 .cse0 .cse1 .cse9 .cse8 .cse4) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse0 .cse7 .cse8 .cse10) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4) (and .cse1 .cse0 .cse7 .cse2 .cse8 .cse12) (and .cse1 .cse6 .cse2 .cse8 .cse3 .cse4) (and .cse1 .cse6 .cse7 .cse2 .cse8 .cse12) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse11 .cse1 .cse6 .cse9 .cse8 .cse4))) [2020-07-07 10:54:13,616 INFO L268 CegarLoopResult]: For program point L451(lines 451 457) no Hoare annotation was computed. [2020-07-07 10:54:13,616 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 457) no Hoare annotation was computed. [2020-07-07 10:54:13,616 INFO L264 CegarLoopResult]: At program point L478(lines 431 480) the Hoare annotation is: (let ((.cse10 (<= ~waterLevel~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse8 (<= 0 ~waterLevel~0)) (.cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse11 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (= 1 ~waterLevel~0)) (.cse7 (= 1 ~systemActive~0)) (.cse12 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse6 .cse3 .cse4 .cse7) (and .cse6 .cse0 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse8 .cse3 .cse9) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse0 .cse8 .cse3 .cse10 .cse7) (and .cse0 .cse1 .cse3 .cse4 .cse7) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse10 .cse7) (and .cse0 .cse11 .cse4 .cse7 .cse12) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse9) (not (= 1 |old(~systemActive~0)|)) (and .cse13 .cse6 .cse0 .cse8 .cse9 .cse7 .cse12) (not (= 1 |old(~waterLevel~0)|)) (and .cse13 .cse0 .cse11 .cse5 .cse7 .cse12))) [2020-07-07 10:54:13,616 INFO L264 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 1)) (.cse2 (= 0 ~systemActive~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= 0 ~waterLevel~0)) (.cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse14 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (= 1 ~waterLevel~0)) (.cse13 (<= 1 ~pumpRunning~0)) (.cse9 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse10 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse7 .cse3 .cse8) (and .cse9 .cse6 .cse0 .cse4 .cse3 .cse10) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse0 .cse7 .cse3 .cse11 .cse10) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse11 .cse10) (and .cse0 .cse12 .cse4 .cse10 .cse13) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse8) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse12 .cse2 .cse3 .cse5) (and .cse14 .cse6 .cse0 .cse7 .cse8 .cse10 .cse13) (not (= 1 |old(~waterLevel~0)|)) (and .cse14 .cse0 .cse12 .cse5 .cse10 .cse13) (and .cse9 .cse0 .cse1 .cse4 .cse3 .cse10))) [2020-07-07 10:54:13,617 INFO L268 CegarLoopResult]: For program point L441(lines 441 447) no Hoare annotation was computed. [2020-07-07 10:54:13,617 INFO L268 CegarLoopResult]: For program point L441-1(lines 441 447) no Hoare annotation was computed. [2020-07-07 10:54:13,617 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-07-07 10:54:13,617 INFO L268 CegarLoopResult]: For program point testEXIT(lines 421 488) no Hoare annotation was computed. [2020-07-07 10:54:13,617 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:54:13,617 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:54:13,617 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:54:13,617 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-07 10:54:13,617 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:54:13,618 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:54:13,618 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 589 596) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:54:13,618 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 589 596) no Hoare annotation was computed. [2020-07-07 10:54:13,618 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 589 596) no Hoare annotation was computed. [2020-07-07 10:54:13,618 INFO L268 CegarLoopResult]: For program point L777(lines 777 785) no Hoare annotation was computed. [2020-07-07 10:54:13,618 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 769 791) no Hoare annotation was computed. [2020-07-07 10:54:13,618 INFO L268 CegarLoopResult]: For program point L777-2(lines 777 785) no Hoare annotation was computed. [2020-07-07 10:54:13,618 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 769 791) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 769 791) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-07 10:54:13,619 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 967 976) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 967 976) no Hoare annotation was computed. [2020-07-07 10:54:13,620 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 967 976) no Hoare annotation was computed. [2020-07-07 10:54:13,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,621 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-07 10:54:13,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,621 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-07-07 10:54:13,622 INFO L268 CegarLoopResult]: For program point L608-1(lines 597 613) no Hoare annotation was computed. [2020-07-07 10:54:13,622 INFO L268 CegarLoopResult]: For program point L604(lines 604 610) no Hoare annotation was computed. [2020-07-07 10:54:13,622 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 597 613) no Hoare annotation was computed. [2020-07-07 10:54:13,622 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:54:13,622 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-07-07 10:54:13,622 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 597 613) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:54:13,622 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2020-07-07 10:54:13,622 INFO L268 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-07-07 10:54:13,622 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-07 10:54:13,623 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2020-07-07 10:54:13,623 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-07 10:54:13,623 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2020-07-07 10:54:13,623 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2020-07-07 10:54:13,623 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 792 800) the Hoare annotation is: true [2020-07-07 10:54:13,623 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 792 800) no Hoare annotation was computed. [2020-07-07 10:54:13,623 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 792 800) no Hoare annotation was computed. [2020-07-07 10:54:13,623 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,623 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,624 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,624 INFO L268 CegarLoopResult]: For program point L752-1(lines 748 759) no Hoare annotation was computed. [2020-07-07 10:54:13,624 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 748 759) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 0 ~waterLevel~0))) (.cse4 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse5 (not (<= ~waterLevel~0 0))) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse9 (not (= 2 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 1 ~waterLevel~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse10 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse12 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse11 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse3 .cse4 .cse7) (or .cse8 .cse2 .cse9 .cse10 .cse3) (or .cse6 .cse1 .cse10 .cse3 .cse7) (or .cse8 .cse9 .cse10 .cse11 .cse7) (or .cse1 .cse9 .cse2 .cse3 .cse4) (or .cse6 .cse1 .cse2 .cse3 .cse4) (or .cse8 .cse0 .cse10 .cse3 .cse5 .cse7) (or .cse8 .cse0 .cse2 .cse10 .cse3 .cse5) (or .cse1 .cse9 .cse4 .cse3 .cse7) (or .cse8 .cse6 .cse2 .cse10 .cse3) (or .cse0 .cse1 .cse10 .cse12 .cse11 .cse5 .cse7) (or .cse0 .cse1 .cse3 .cse4 .cse5 .cse7) (or .cse8 .cse9 .cse10 .cse3 .cse7) (or .cse6 .cse1 .cse10 .cse12 .cse11 .cse7))) [2020-07-07 10:54:13,624 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 748 759) no Hoare annotation was computed. [2020-07-07 10:54:13,624 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (let ((.cse15 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (= 1 ~systemActive~0))) (let ((.cse5 (and .cse15 .cse16 .cse17 .cse14)) (.cse13 (and .cse15 .cse16 .cse17)) (.cse4 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse15 .cse16 (= 1 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 2 |old(~waterLevel~0)|))) (.cse12 (not (= 0 ~systemActive~0))) (.cse10 (not (= 1 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not .cse14)) (.cse9 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse3 .cse9) (or .cse6 .cse0 .cse1 .cse3) (or .cse4 .cse7 .cse2 .cse10 .cse11 .cse3) (or .cse12 .cse1 .cse8 .cse2 .cse9) (or .cse6 .cse12 .cse1 .cse8 .cse9) (or .cse6 .cse1 .cse8 .cse3 .cse9) (or .cse6 .cse12 .cse1 .cse10) (or .cse6 .cse1 .cse10 .cse3) (or .cse7 .cse0 .cse2 .cse13 .cse3) (or .cse0 .cse12 .cse1 .cse2) (or .cse4 .cse5 .cse7 .cse8 .cse2 .cse3 .cse9) (or .cse6 .cse7 .cse0 .cse13 .cse3) (or .cse4 .cse6 .cse7 .cse10 .cse11 .cse3) (or .cse12 .cse1 .cse2 .cse10) (or .cse6 .cse0 .cse12 .cse1) (or .cse1 .cse2 .cse10 .cse3) (or .cse1 .cse8 .cse2 .cse3 .cse9)))) [2020-07-07 10:54:13,625 INFO L268 CegarLoopResult]: For program point L510(lines 506 528) no Hoare annotation was computed. [2020-07-07 10:54:13,625 INFO L268 CegarLoopResult]: For program point L508(lines 506 528) no Hoare annotation was computed. [2020-07-07 10:54:13,625 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: (let ((.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse13 (and .cse16 (<= 0 ~waterLevel~0) (<= ~waterLevel~0 0) .cse14)) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse11 (and .cse16 .cse14 .cse15)) (.cse8 (not (= 1 ~systemActive~0))) (.cse4 (not (<= |old(~waterLevel~0)| 0))) (.cse5 (not (<= 0 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 2 |old(~waterLevel~0)|))) (.cse1 (and (= 0 ~pumpRunning~0) .cse14 .cse15)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse12 (not (= 1 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse3 .cse7 .cse8) (or .cse9 .cse0 .cse10 .cse11 .cse12 .cse8) (or .cse9 .cse0 .cse13 .cse10 .cse4 .cse8 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse12) (or .cse1 .cse3 .cse4 .cse7 .cse8 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse8 .cse5) (or .cse1 .cse3 .cse7 .cse12 .cse8) (or .cse0 .cse1 .cse3 .cse12 .cse8) (or .cse10 .cse6 .cse11 .cse7 .cse8) (or .cse9 .cse10 .cse11 .cse7 .cse12 .cse8) (or .cse9 .cse13 .cse10 .cse4 .cse7 .cse8 .cse5) (or .cse0 .cse1 .cse6 .cse3 .cse8) (or .cse0 .cse10 .cse6 .cse11 .cse8) (or .cse1 .cse6 .cse2 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse7 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse7 .cse12)))) [2020-07-07 10:54:13,625 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2020-07-07 10:54:13,626 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse18 (= 0 ~pumpRunning~0)) (.cse19 (= 1 ~waterLevel~0)) (.cse16 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse20 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (<= |old(~waterLevel~0)| 0))) (.cse11 (and .cse16 .cse17 .cse20)) (.cse5 (not (<= 0 |old(~waterLevel~0)|))) (.cse9 (and .cse16 .cse17 .cse19)) (.cse0 (and .cse18 .cse20)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse12 (not (= 0 ~systemActive~0))) (.cse15 (and .cse18 .cse19)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse14 (and .cse16 .cse17 (<= 0 ~waterLevel~0) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse13 (not (= 1 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse7 .cse1 .cse4) (or .cse8 .cse7 .cse3 .cse9 .cse4) (or .cse10 .cse6 .cse8 .cse2 .cse11 .cse4 .cse5) (or .cse12 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse12 .cse1 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse12 .cse1 .cse13) (or .cse10 .cse14 .cse8 .cse3 .cse13 .cse4) (or .cse7 .cse12 .cse1 .cse3) (or .cse10 .cse8 .cse2 .cse3 .cse11 .cse4 .cse5) (or .cse15 .cse1 .cse3 .cse13 .cse4) (or .cse6 .cse8 .cse7 .cse9 .cse4) (or .cse0 .cse7 .cse1 .cse3 .cse4) (or .cse12 .cse1 .cse3 .cse13) (or .cse6 .cse7 .cse12 .cse1) (or .cse6 .cse15 .cse1 .cse13 .cse4) (or .cse10 .cse14 .cse6 .cse8 .cse13 .cse4)))) [2020-07-07 10:54:13,626 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2020-07-07 10:54:13,626 INFO L264 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: (let ((.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= 1 ~waterLevel~0))) (let ((.cse19 (<= 0 ~waterLevel~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse17 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 0))) (.cse13 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse14 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not (<= 0 |old(~waterLevel~0)|))) (.cse10 (not (= 0 ~methaneLevelCritical~0))) (.cse15 (and .cse3 .cse5)) (.cse16 (not (= 1 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0))) (.cse7 (and .cse3 .cse18)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 2 |old(~waterLevel~0)|))) (.cse12 (not (= 0 ~systemActive~0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5) .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse6 .cse11) (or .cse7 .cse12 .cse8 .cse9 .cse10 .cse11) (or .cse7 .cse0 .cse2 .cse8 .cse6) (or .cse7 .cse2 .cse12 .cse8 .cse10) (or .cse1 .cse2 .cse10 (and .cse13 .cse14 .cse5) .cse6) (or .cse15 .cse12 .cse8 .cse10 .cse16) (or .cse7 .cse0 .cse12 .cse8 .cse9 .cse11) (or .cse7 .cse0 .cse8 .cse9 .cse6 .cse11) (or .cse17 .cse0 .cse1 .cse9 (and .cse3 .cse4 .cse18) .cse6 .cse11) (or .cse17 (and .cse13 .cse14 .cse19 .cse20) .cse1 .cse10 .cse16 .cse6) (or .cse17 .cse0 (and .cse19 .cse3 .cse4 .cse20) .cse1 .cse16 .cse6) (or .cse0 .cse15 .cse12 .cse8 .cse16) (or .cse7 (and .cse18 (<= 1 ~pumpRunning~0)) .cse2 .cse8 .cse10 .cse6) (or .cse17 .cse1 .cse9 .cse10 (and .cse13 .cse14 .cse18) .cse6 .cse11) (or .cse15 .cse8 .cse10 .cse16 .cse6) (or .cse0 .cse15 .cse8 .cse16 .cse6) (or .cse7 .cse0 .cse2 .cse12 .cse8)))) [2020-07-07 10:54:13,626 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2020-07-07 10:54:13,626 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-07-07 10:54:13,627 INFO L271 CegarLoopResult]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2020-07-07 10:54:13,627 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2020-07-07 10:54:13,627 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-07 10:54:13,627 INFO L271 CegarLoopResult]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2020-07-07 10:54:13,627 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-07-07 10:54:13,627 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-07 10:54:13,627 INFO L271 CegarLoopResult]: At program point L842(lines 817 846) the Hoare annotation is: true [2020-07-07 10:54:13,627 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-07 10:54:13,627 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 760 768) the Hoare annotation is: true [2020-07-07 10:54:13,627 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 760 768) no Hoare annotation was computed. [2020-07-07 10:54:13,628 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 760 768) no Hoare annotation was computed. [2020-07-07 10:54:13,628 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 724 735) the Hoare annotation is: (let ((.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse8 (not (= 1 ~systemActive~0)))) (let ((.cse1 (and (or .cse7 (not (= 1 |old(~waterLevel~0)|)) .cse8) (or (not (= 2 |old(~waterLevel~0)|)) .cse7 .cse8))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (and (<= 0 ~waterLevel~0) (<= ~waterLevel~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse9 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse5 .cse6 .cse4 .cse7 .cse3 .cse8 .cse9) (or .cse5 .cse0 .cse6 .cse7 .cse3 .cse8 .cse9)))) [2020-07-07 10:54:13,628 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 724 735) no Hoare annotation was computed. [2020-07-07 10:54:13,628 INFO L268 CegarLoopResult]: For program point L728-1(lines 724 735) no Hoare annotation was computed. [2020-07-07 10:54:13,628 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2020-07-07 10:54:13,628 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2020-07-07 10:54:13,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,628 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:54:13,629 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:54:13,629 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:54:13,629 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 712 719) no Hoare annotation was computed. [2020-07-07 10:54:13,629 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 712 719) the Hoare annotation is: (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~waterLevel~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 0 ~waterLevel~0))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse5 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse7 (not (<= ~waterLevel~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse0 .cse2 .cse5 .cse3 .cse7) (or .cse0 .cse1 .cse2 .cse8) (or .cse9 .cse0 .cse4 .cse5 .cse3) (or .cse9 .cse0 .cse1 .cse8) (or .cse9 .cse0 .cse1 .cse3) (or .cse9 .cse6 .cse0 .cse8 .cse7) (or .cse9 .cse0 .cse4 .cse8) (or .cse6 .cse0 .cse2 .cse8 .cse7) (or .cse0 .cse4 .cse2 .cse8) (or .cse9 .cse6 .cse0 .cse5 .cse3 .cse7))) [2020-07-07 10:54:13,629 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 712 719) no Hoare annotation was computed. [2020-07-07 10:54:13,629 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 736 747) no Hoare annotation was computed. [2020-07-07 10:54:13,630 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 736 747) the Hoare annotation is: (let ((.cse11 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse10 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3 .cse7) (or .cse8 .cse1 .cse2 .cse3 .cse7 .cse9) (or .cse5 .cse0 .cse8 .cse2 .cse3 .cse9) (or .cse5 .cse6 .cse0 .cse2 .cse3) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse1 (= 2 ~waterLevel~0) .cse10 .cse7) (or .cse1 .cse11 .cse2 .cse10 .cse4 .cse7) (or .cse6 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse2 .cse3 .cse4 .cse7) (or (and (<= 0 ~waterLevel~0) (<= ~waterLevel~0 0)) .cse8 .cse1 .cse11 .cse10 .cse7 .cse9) (or .cse6 .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse3 .cse9) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse5 .cse8 .cse2 .cse3 .cse7 .cse9))) [2020-07-07 10:54:13,630 INFO L268 CegarLoopResult]: For program point L740-1(lines 736 747) no Hoare annotation was computed. [2020-07-07 10:54:13,630 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2020-07-07 10:54:13,630 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2020-07-07 10:54:13,630 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2020-07-07 10:54:13,630 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2020-07-07 10:54:13,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:54:13 BoogieIcfgContainer [2020-07-07 10:54:13,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:54:13,661 INFO L168 Benchmark]: Toolchain (without parser) took 242270.99 ms. Allocated memory was 140.0 MB in the beginning and 2.4 GB in the end (delta: 2.2 GB). Free memory was 103.4 MB in the beginning and 335.9 MB in the end (delta: -232.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,662 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.08 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 103.2 MB in the beginning and 172.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,663 INFO L168 Benchmark]: Boogie Preprocessor took 96.08 ms. Allocated memory is still 203.9 MB. Free memory was 172.2 MB in the beginning and 165.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,663 INFO L168 Benchmark]: RCFGBuilder took 1180.49 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 188.0 MB in the end (delta: -22.1 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,663 INFO L168 Benchmark]: TraceAbstraction took 240276.57 ms. Allocated memory was 234.9 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 186.6 MB in the beginning and 335.9 MB in the end (delta: -149.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2020-07-07 10:54:13,665 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.08 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 103.2 MB in the beginning and 172.2 MB in the end (delta: -69.0 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.08 ms. Allocated memory is still 203.9 MB. Free memory was 172.2 MB in the beginning and 165.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1180.49 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 165.8 MB in the beginning and 188.0 MB in the end (delta: -22.1 MB). Peak memory consumption was 78.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240276.57 ms. Allocated memory was 234.9 MB in the beginning and 2.4 GB in the end (delta: 2.1 GB). Free memory was 186.6 MB in the beginning and 335.9 MB in the end (delta: -149.3 MB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 431]: Loop Invariant Derived loop invariant: (((((((((((((((((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) && 2 == waterLevel) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 == pumpRunning) && 1 == waterLevel)) || ((((0 == splverifierCounter && 0 == methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) && 1 == waterLevel)) || !(0 == \old(pumpRunning))) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel + 1 <= \old(waterLevel))) || !(\old(methaneLevelCritical) == 0)) || (((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 0 == systemActive) && 0 == pumpRunning) && 2 == waterLevel)) || (((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || (((((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == systemActive) && 0 <= waterLevel) && 0 == pumpRunning) && waterLevel + 1 <= \old(waterLevel))) || !(1 == \old(systemActive))) || ((((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 <= waterLevel) && waterLevel + 1 <= \old(waterLevel)) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && \old(methaneLevelCritical) == methaneLevelCritical) && 1 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 117.9s, OverallIterations: 15, TraceHistogramMax: 9, AutomataDifference: 97.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 122.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3070 SDtfs, 10333 SDslu, 7361 SDs, 0 SdLazy, 30137 SolverSat, 9624 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3926 GetRequests, 3384 SyntacticMatches, 11 SemanticMatches, 531 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10764 ImplicationChecksByTransitivity, 47.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4851occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 3876 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 9459 PreInvPairs, 10447 NumberOfFragments, 8899 HoareAnnotationTreeSize, 9459 FomulaSimplifications, 10434840360 FormulaSimplificationTreeSizeReduction, 44.2s HoareSimplificationTime, 69 FomulaSimplificationsInter, 55029778 FormulaSimplificationTreeSizeReductionInter, 77.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 5244 NumberOfCodeBlocks, 5244 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 5222 ConstructedInterpolants, 0 QuantifiedInterpolants, 3214559 SizeOfPredicates, 26 NumberOfNonLiveVariables, 9531 ConjunctsInSsa, 124 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 5421/5656 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...