/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_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:37:16,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:37:16,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:37:16,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:37:16,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:37:16,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:37:16,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:37:16,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:37:16,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:37:16,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:37:16,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:37:16,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:37:16,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:37:16,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:37:16,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:37:16,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:37:16,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:37:16,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:37:16,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:37:16,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:37:16,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:37:16,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:37:16,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:37:16,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:37:16,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:37:16,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:37:16,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:37:16,125 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:37:16,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:37:16,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:37:16,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:37:16,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:37:16,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:37:16,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:37:16,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:37:16,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:37:16,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:37:16,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:37:16,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:37:16,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:37:16,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:37:16,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:37:16,147 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:37:16,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:37:16,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:37:16,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:37:16,150 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:37:16,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:37:16,150 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:37:16,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:37:16,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:37:16,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:37:16,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:37:16,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:37:16,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:37:16,151 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:37:16,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:37:16,152 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:37:16,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:37:16,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:37:16,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:37:16,153 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:37:16,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:37:16,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:37:16,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:37:16,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:37:16,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:37:16,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:37:16,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:37:16,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:37:16,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:37:16,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:37:16,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:37:16,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:37:16,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:37:16,456 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:37:16,457 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:37:16,458 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-17 11:37:16,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57403945e/9feb6024e5dd4a18a36445170a1a1a7f/FLAGe1efd4ae2 [2020-07-17 11:37:17,035 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:37:17,036 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product44.cil.c [2020-07-17 11:37:17,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57403945e/9feb6024e5dd4a18a36445170a1a1a7f/FLAGe1efd4ae2 [2020-07-17 11:37:17,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57403945e/9feb6024e5dd4a18a36445170a1a1a7f [2020-07-17 11:37:17,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:37:17,390 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:37:17,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:37:17,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:37:17,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:37:17,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:37:17" (1/1) ... [2020-07-17 11:37:17,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dcd9b0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:17, skipping insertion in model container [2020-07-17 11:37:17,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:37:17" (1/1) ... [2020-07-17 11:37:17,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:37:17,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:37:17,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:37:17,967 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:37:18,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:37:18,088 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:37:18,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18 WrapperNode [2020-07-17 11:37:18,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:37:18,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:37:18,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:37:18,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:37:18,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18" (1/1) ... [2020-07-17 11:37:18,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18" (1/1) ... [2020-07-17 11:37:18,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18" (1/1) ... [2020-07-17 11:37:18,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18" (1/1) ... [2020-07-17 11:37:18,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18" (1/1) ... [2020-07-17 11:37:18,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18" (1/1) ... [2020-07-17 11:37:18,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18" (1/1) ... [2020-07-17 11:37:18,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:37:18,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:37:18,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:37:18,186 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:37:18,187 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:37:18,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:37:18,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:37:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:37:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:37:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:37:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:37:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:37:18,255 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:37:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:37:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:37:18,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:37:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:37:18,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:37:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:37:18,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:37:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:37:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:37:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:37:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:37:18,259 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-17 11:37:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:37:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:37:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:37:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:37:18,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:37:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:37:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 11:37:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:37:18,261 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:37:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:37:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:37:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:37:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:37:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:37:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:37:18,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:37:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:37:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:37:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:37:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:37:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:37:18,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:37:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:37:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:37:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:37:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:37:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:37:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:37:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:37:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:37:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:37:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:37:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:37:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:37:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:37:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:37:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:37:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:37:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:37:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:37:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:37:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:37:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:37:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:37:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:37:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:37:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:37:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:37:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:37:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:37:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:37:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:37:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:37:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:37:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 11:37:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:37:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-17 11:37:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-17 11:37:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:37:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:37:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:37:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-17 11:37:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:37:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:37:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:37:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:37:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:37:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:37:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:37:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:37:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:37:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-17 11:37:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:37:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:37:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:37:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:37:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:37:18,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:37:19,297 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:37:19,297 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:37:19,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:37:19 BoogieIcfgContainer [2020-07-17 11:37:19,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:37:19,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:37:19,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:37:19,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:37:19,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:37:17" (1/3) ... [2020-07-17 11:37:19,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb35f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:37:19, skipping insertion in model container [2020-07-17 11:37:19,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:37:18" (2/3) ... [2020-07-17 11:37:19,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb35f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:37:19, skipping insertion in model container [2020-07-17 11:37:19,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:37:19" (3/3) ... [2020-07-17 11:37:19,311 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44.cil.c [2020-07-17 11:37:19,322 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:37:19,330 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:37:19,345 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:37:19,370 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:37:19,370 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:37:19,370 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:37:19,370 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:37:19,371 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:37:19,371 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:37:19,371 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:37:19,371 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:37:19,394 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2020-07-17 11:37:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-17 11:37:19,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:19,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:19,406 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:19,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:19,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1834170296, now seen corresponding path program 1 times [2020-07-17 11:37:19,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:19,423 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154901099] [2020-07-17 11:37:19,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,027 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:20,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:20,165 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154901099] [2020-07-17 11:37:20,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:20,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:37:20,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706997670] [2020-07-17 11:37:20,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:37:20,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:20,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:37:20,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:37:20,190 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 4 states. [2020-07-17 11:37:21,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:21,363 INFO L93 Difference]: Finished difference Result 318 states and 403 transitions. [2020-07-17 11:37:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:37:21,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-17 11:37:21,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:21,388 INFO L225 Difference]: With dead ends: 318 [2020-07-17 11:37:21,388 INFO L226 Difference]: Without dead ends: 176 [2020-07-17 11:37:21,396 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 [2020-07-17 11:37:21,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-07-17 11:37:21,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 143. [2020-07-17 11:37:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-17 11:37:21,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2020-07-17 11:37:21,517 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2020-07-17 11:37:21,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:21,518 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2020-07-17 11:37:21,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:37:21,518 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2020-07-17 11:37:21,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 11:37:21,522 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:21,522 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:21,523 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:37:21,523 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:21,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:21,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1514103119, now seen corresponding path program 1 times [2020-07-17 11:37:21,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:21,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968895563] [2020-07-17 11:37:21,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,892 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:21,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968895563] [2020-07-17 11:37:21,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:21,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:37:21,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174368290] [2020-07-17 11:37:21,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:37:21,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:21,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:37:21,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:37:21,952 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 5 states. [2020-07-17 11:37:22,423 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:23,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:23,306 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2020-07-17 11:37:23,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:37:23,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-17 11:37:23,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:23,312 INFO L225 Difference]: With dead ends: 250 [2020-07-17 11:37:23,312 INFO L226 Difference]: Without dead ends: 166 [2020-07-17 11:37:23,314 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 [2020-07-17 11:37:23,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-17 11:37:23,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 134. [2020-07-17 11:37:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-17 11:37:23,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2020-07-17 11:37:23,356 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2020-07-17 11:37:23,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:23,357 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2020-07-17 11:37:23,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:37:23,357 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2020-07-17 11:37:23,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 11:37:23,360 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:23,360 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] [2020-07-17 11:37:23,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:37:23,361 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:23,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:23,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1793464780, now seen corresponding path program 1 times [2020-07-17 11:37:23,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:23,362 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154011058] [2020-07-17 11:37:23,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,735 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:23,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154011058] [2020-07-17 11:37:23,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:23,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:23,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858551673] [2020-07-17 11:37:23,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:23,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:23,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:23,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:23,877 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 9 states. [2020-07-17 11:37:24,347 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:24,761 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:25,071 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:25,353 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:26,368 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:28,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:28,097 INFO L93 Difference]: Finished difference Result 451 states and 548 transitions. [2020-07-17 11:37:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:37:28,099 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-17 11:37:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:28,105 INFO L225 Difference]: With dead ends: 451 [2020-07-17 11:37:28,105 INFO L226 Difference]: Without dead ends: 345 [2020-07-17 11:37:28,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:37:28,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-07-17 11:37:28,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 272. [2020-07-17 11:37:28,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-17 11:37:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 322 transitions. [2020-07-17 11:37:28,180 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 322 transitions. Word has length 65 [2020-07-17 11:37:28,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:28,181 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 322 transitions. [2020-07-17 11:37:28,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2020-07-17 11:37:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-17 11:37:28,184 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:28,184 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:28,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:37:28,185 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:28,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:28,185 INFO L82 PathProgramCache]: Analyzing trace with hash -10520395, now seen corresponding path program 1 times [2020-07-17 11:37:28,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:28,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894186416] [2020-07-17 11:37:28,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,536 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:28,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 11:37:28,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894186416] [2020-07-17 11:37:28,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:28,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:28,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640862053] [2020-07-17 11:37:28,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:28,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:28,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:28,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:28,649 INFO L87 Difference]: Start difference. First operand 272 states and 322 transitions. Second operand 9 states. [2020-07-17 11:37:29,044 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:29,766 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:30,777 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:31,045 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:31,417 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:31,763 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:32,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:32,414 INFO L93 Difference]: Finished difference Result 695 states and 884 transitions. [2020-07-17 11:37:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 11:37:32,416 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-17 11:37:32,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:32,425 INFO L225 Difference]: With dead ends: 695 [2020-07-17 11:37:32,425 INFO L226 Difference]: Without dead ends: 451 [2020-07-17 11:37:32,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:37:32,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2020-07-17 11:37:32,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 387. [2020-07-17 11:37:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-07-17 11:37:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 459 transitions. [2020-07-17 11:37:32,520 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 459 transitions. Word has length 70 [2020-07-17 11:37:32,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:32,521 INFO L479 AbstractCegarLoop]: Abstraction has 387 states and 459 transitions. [2020-07-17 11:37:32,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:32,521 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 459 transitions. [2020-07-17 11:37:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-17 11:37:32,525 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:32,525 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] [2020-07-17 11:37:32,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:37:32,526 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:32,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:32,526 INFO L82 PathProgramCache]: Analyzing trace with hash -762155168, now seen corresponding path program 1 times [2020-07-17 11:37:32,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:32,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057240019] [2020-07-17 11:37:32,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,874 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:33,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057240019] [2020-07-17 11:37:33,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:33,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:33,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243611053] [2020-07-17 11:37:33,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:33,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:33,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:33,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:33,112 INFO L87 Difference]: Start difference. First operand 387 states and 459 transitions. Second operand 9 states. [2020-07-17 11:37:33,649 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:34,779 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:35,104 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:37:35,451 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:35,751 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:37,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:37,233 INFO L93 Difference]: Finished difference Result 1214 states and 1597 transitions. [2020-07-17 11:37:37,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:37:37,237 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-07-17 11:37:37,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:37,246 INFO L225 Difference]: With dead ends: 1214 [2020-07-17 11:37:37,247 INFO L226 Difference]: Without dead ends: 855 [2020-07-17 11:37:37,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:37:37,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-07-17 11:37:37,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 733. [2020-07-17 11:37:37,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2020-07-17 11:37:37,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 874 transitions. [2020-07-17 11:37:37,390 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 874 transitions. Word has length 103 [2020-07-17 11:37:37,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:37,391 INFO L479 AbstractCegarLoop]: Abstraction has 733 states and 874 transitions. [2020-07-17 11:37:37,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 874 transitions. [2020-07-17 11:37:37,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-17 11:37:37,394 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:37,394 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] [2020-07-17 11:37:37,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:37:37,395 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:37,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:37,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1731736191, now seen corresponding path program 1 times [2020-07-17 11:37:37,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:37,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546390023] [2020-07-17 11:37:37,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,648 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:37,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:37,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546390023] [2020-07-17 11:37:37,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:37,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:37:37,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115304786] [2020-07-17 11:37:37,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:37:37,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:37,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:37:37,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:37:37,816 INFO L87 Difference]: Start difference. First operand 733 states and 874 transitions. Second operand 9 states. [2020-07-17 11:37:39,046 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:39,360 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:39,696 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:40,009 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:40,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:40,927 INFO L93 Difference]: Finished difference Result 1573 states and 2006 transitions. [2020-07-17 11:37:40,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 11:37:40,928 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-07-17 11:37:40,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:40,937 INFO L225 Difference]: With dead ends: 1573 [2020-07-17 11:37:40,937 INFO L226 Difference]: Without dead ends: 868 [2020-07-17 11:37:40,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:37:40,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-07-17 11:37:41,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 753. [2020-07-17 11:37:41,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-07-17 11:37:41,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 894 transitions. [2020-07-17 11:37:41,096 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 894 transitions. Word has length 103 [2020-07-17 11:37:41,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:41,098 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 894 transitions. [2020-07-17 11:37:41,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:37:41,098 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 894 transitions. [2020-07-17 11:37:41,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-17 11:37:41,102 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:41,102 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] [2020-07-17 11:37:41,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:37:41,103 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:41,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:41,103 INFO L82 PathProgramCache]: Analyzing trace with hash 513843263, now seen corresponding path program 1 times [2020-07-17 11:37:41,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:41,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301808742] [2020-07-17 11:37:41,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,384 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:41,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301808742] [2020-07-17 11:37:41,549 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:41,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 11:37:41,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142346733] [2020-07-17 11:37:41,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 11:37:41,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:41,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 11:37:41,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 11:37:41,557 INFO L87 Difference]: Start difference. First operand 753 states and 894 transitions. Second operand 11 states. [2020-07-17 11:37:42,073 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:42,377 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:42,671 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:43,530 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:43,835 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:44,132 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:45,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:45,053 INFO L93 Difference]: Finished difference Result 1392 states and 1738 transitions. [2020-07-17 11:37:45,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 11:37:45,054 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-07-17 11:37:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:45,061 INFO L225 Difference]: With dead ends: 1392 [2020-07-17 11:37:45,062 INFO L226 Difference]: Without dead ends: 667 [2020-07-17 11:37:45,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:37:45,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-07-17 11:37:45,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 590. [2020-07-17 11:37:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-07-17 11:37:45,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 686 transitions. [2020-07-17 11:37:45,233 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 686 transitions. Word has length 103 [2020-07-17 11:37:45,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:45,234 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 686 transitions. [2020-07-17 11:37:45,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 11:37:45,234 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 686 transitions. [2020-07-17 11:37:45,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-17 11:37:45,240 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:45,241 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] [2020-07-17 11:37:45,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:37:45,241 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:45,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:45,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1595809660, now seen corresponding path program 1 times [2020-07-17 11:37:45,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:45,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831105599] [2020-07-17 11:37:45,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,727 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-17 11:37:45,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831105599] [2020-07-17 11:37:45,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:37:45,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-07-17 11:37:45,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769145400] [2020-07-17 11:37:45,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-07-17 11:37:45,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:45,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-07-17 11:37:45,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:37:45,912 INFO L87 Difference]: Start difference. First operand 590 states and 686 transitions. Second operand 13 states. [2020-07-17 11:37:46,410 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:47,227 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:48,087 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:48,513 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:37:48,772 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:49,137 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:37:49,479 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:37:51,275 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:51,560 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:51,906 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:37:52,483 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:37:52,847 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:37:53,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:37:53,878 INFO L93 Difference]: Finished difference Result 2065 states and 2691 transitions. [2020-07-17 11:37:53,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-07-17 11:37:53,878 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 107 [2020-07-17 11:37:53,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:37:53,888 INFO L225 Difference]: With dead ends: 2065 [2020-07-17 11:37:53,889 INFO L226 Difference]: Without dead ends: 1679 [2020-07-17 11:37:53,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=431, Invalid=1731, Unknown=0, NotChecked=0, Total=2162 [2020-07-17 11:37:53,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2020-07-17 11:37:54,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1494. [2020-07-17 11:37:54,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-07-17 11:37:54,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1784 transitions. [2020-07-17 11:37:54,203 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1784 transitions. Word has length 107 [2020-07-17 11:37:54,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:37:54,207 INFO L479 AbstractCegarLoop]: Abstraction has 1494 states and 1784 transitions. [2020-07-17 11:37:54,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-07-17 11:37:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1784 transitions. [2020-07-17 11:37:54,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-07-17 11:37:54,211 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:37:54,212 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:37:54,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:37:54,212 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:37:54,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:37:54,213 INFO L82 PathProgramCache]: Analyzing trace with hash 439174861, now seen corresponding path program 1 times [2020-07-17 11:37:54,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:37:54,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875925960] [2020-07-17 11:37:54,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:37:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,515 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:37:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-17 11:37:54,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875925960] [2020-07-17 11:37:54,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317360738] [2020-07-17 11:37:54,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:37:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:37:55,195 INFO L264 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-17 11:37:55,225 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:37:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:37:55,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:37:55,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-17 11:37:55,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197348498] [2020-07-17 11:37:55,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-17 11:37:55,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:37:55,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-17 11:37:55,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:37:55,458 INFO L87 Difference]: Start difference. First operand 1494 states and 1784 transitions. Second operand 20 states. [2020-07-17 11:37:56,398 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:37:56,831 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:57,165 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:57,456 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:37:58,265 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-17 11:37:58,688 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:37:59,022 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:37:59,450 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-17 11:38:01,072 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:02,044 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-17 11:38:02,452 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:02,864 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:03,773 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-17 11:38:04,353 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:38:04,637 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:04,916 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:05,203 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:38:05,921 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:38:06,746 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-17 11:38:07,126 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:07,456 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:38:07,769 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-17 11:38:08,101 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-17 11:38:08,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:08,327 INFO L93 Difference]: Finished difference Result 3065 states and 3773 transitions. [2020-07-17 11:38:08,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-07-17 11:38:08,328 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 151 [2020-07-17 11:38:08,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:08,340 INFO L225 Difference]: With dead ends: 3065 [2020-07-17 11:38:08,340 INFO L226 Difference]: Without dead ends: 1769 [2020-07-17 11:38:08,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1270 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=883, Invalid=3673, Unknown=0, NotChecked=0, Total=4556 [2020-07-17 11:38:08,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2020-07-17 11:38:08,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1580. [2020-07-17 11:38:08,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1580 states. [2020-07-17 11:38:08,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1580 states and 1833 transitions. [2020-07-17 11:38:08,692 INFO L78 Accepts]: Start accepts. Automaton has 1580 states and 1833 transitions. Word has length 151 [2020-07-17 11:38:08,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:08,693 INFO L479 AbstractCegarLoop]: Abstraction has 1580 states and 1833 transitions. [2020-07-17 11:38:08,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-17 11:38:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1833 transitions. [2020-07-17 11:38:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-07-17 11:38:08,703 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:08,703 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:08,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-17 11:38:08,918 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:08,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:08,918 INFO L82 PathProgramCache]: Analyzing trace with hash -31492180, now seen corresponding path program 1 times [2020-07-17 11:38:08,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:08,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404229529] [2020-07-17 11:38:08,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,324 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 81 proven. 31 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-07-17 11:38:09,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404229529] [2020-07-17 11:38:09,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352257058] [2020-07-17 11:38:09,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:10,049 INFO L264 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-17 11:38:10,077 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:10,213 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2020-07-17 11:38:10,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:38:10,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [16] total 17 [2020-07-17 11:38:10,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801590653] [2020-07-17 11:38:10,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:38:10,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:10,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:38:10,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:38:10,217 INFO L87 Difference]: Start difference. First operand 1580 states and 1833 transitions. Second operand 3 states. [2020-07-17 11:38:10,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:10,655 INFO L93 Difference]: Finished difference Result 2539 states and 2957 transitions. [2020-07-17 11:38:10,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:38:10,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2020-07-17 11:38:10,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:10,663 INFO L225 Difference]: With dead ends: 2539 [2020-07-17 11:38:10,664 INFO L226 Difference]: Without dead ends: 1010 [2020-07-17 11:38:10,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-07-17 11:38:10,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2020-07-17 11:38:10,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 985. [2020-07-17 11:38:10,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 985 states. [2020-07-17 11:38:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1123 transitions. [2020-07-17 11:38:10,898 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1123 transitions. Word has length 274 [2020-07-17 11:38:10,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:10,899 INFO L479 AbstractCegarLoop]: Abstraction has 985 states and 1123 transitions. [2020-07-17 11:38:10,899 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:38:10,900 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1123 transitions. [2020-07-17 11:38:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-07-17 11:38:10,906 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:10,907 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:11,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-17 11:38:11,113 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:11,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:11,113 INFO L82 PathProgramCache]: Analyzing trace with hash -395861888, now seen corresponding path program 1 times [2020-07-17 11:38:11,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:11,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117278600] [2020-07-17 11:38:11,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,414 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 108 proven. 50 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2020-07-17 11:38:11,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117278600] [2020-07-17 11:38:11,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536736900] [2020-07-17 11:38:11,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:12,273 INFO L264 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-17 11:38:12,296 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:12,906 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 263 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2020-07-17 11:38:12,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:38:12,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 27 [2020-07-17 11:38:12,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974041741] [2020-07-17 11:38:12,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-17 11:38:12,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:12,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-17 11:38:12,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:38:12,911 INFO L87 Difference]: Start difference. First operand 985 states and 1123 transitions. Second operand 27 states. [2020-07-17 11:38:14,056 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-17 11:38:15,070 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:16,305 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-17 11:38:16,901 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 11:38:17,155 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:17,696 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-17 11:38:17,951 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:18,331 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:18,693 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:19,010 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:19,832 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:20,253 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:24,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:24,883 INFO L93 Difference]: Finished difference Result 2760 states and 3621 transitions. [2020-07-17 11:38:24,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-07-17 11:38:24,885 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 313 [2020-07-17 11:38:24,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:24,898 INFO L225 Difference]: With dead ends: 2760 [2020-07-17 11:38:24,898 INFO L226 Difference]: Without dead ends: 1826 [2020-07-17 11:38:24,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 524 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2060 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=1156, Invalid=5816, Unknown=0, NotChecked=0, Total=6972 [2020-07-17 11:38:24,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2020-07-17 11:38:25,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1168. [2020-07-17 11:38:25,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-07-17 11:38:25,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1336 transitions. [2020-07-17 11:38:25,238 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1336 transitions. Word has length 313 [2020-07-17 11:38:25,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:25,241 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1336 transitions. [2020-07-17 11:38:25,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-17 11:38:25,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1336 transitions. [2020-07-17 11:38:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-07-17 11:38:25,255 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:25,256 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:38:25,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-17 11:38:25,469 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:25,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:25,469 INFO L82 PathProgramCache]: Analyzing trace with hash -2075814644, now seen corresponding path program 1 times [2020-07-17 11:38:25,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:25,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657803618] [2020-07-17 11:38:25,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,826 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,476 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 120 proven. 48 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2020-07-17 11:38:26,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657803618] [2020-07-17 11:38:26,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486871835] [2020-07-17 11:38:26,477 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:26,705 INFO L264 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-17 11:38:26,712 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:26,911 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 299 proven. 14 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-07-17 11:38:26,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:38:26,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9] total 24 [2020-07-17 11:38:26,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51506096] [2020-07-17 11:38:26,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-17 11:38:26,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:26,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-17 11:38:26,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:38:26,914 INFO L87 Difference]: Start difference. First operand 1168 states and 1336 transitions. Second operand 24 states. [2020-07-17 11:38:27,727 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:38:28,272 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:38:28,789 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:38:29,255 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-17 11:38:30,307 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:38:31,602 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:38:32,145 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:38:32,678 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:33,446 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:34,056 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:34,299 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:35,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:35,072 INFO L93 Difference]: Finished difference Result 2361 states and 2836 transitions. [2020-07-17 11:38:35,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-17 11:38:35,073 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 325 [2020-07-17 11:38:35,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:35,081 INFO L225 Difference]: With dead ends: 2361 [2020-07-17 11:38:35,082 INFO L226 Difference]: Without dead ends: 1353 [2020-07-17 11:38:35,086 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=542, Invalid=2320, Unknown=0, NotChecked=0, Total=2862 [2020-07-17 11:38:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-07-17 11:38:35,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1170. [2020-07-17 11:38:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1170 states. [2020-07-17 11:38:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1335 transitions. [2020-07-17 11:38:35,385 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1335 transitions. Word has length 325 [2020-07-17 11:38:35,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:35,385 INFO L479 AbstractCegarLoop]: Abstraction has 1170 states and 1335 transitions. [2020-07-17 11:38:35,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-17 11:38:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1335 transitions. [2020-07-17 11:38:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-07-17 11:38:35,393 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:38:35,393 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-17 11:38:35,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:35,608 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:38:35,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:38:35,609 INFO L82 PathProgramCache]: Analyzing trace with hash -688487920, now seen corresponding path program 1 times [2020-07-17 11:38:35,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:38:35,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606893232] [2020-07-17 11:38:35,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:38:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,892 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:38:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 103 proven. 6 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2020-07-17 11:38:36,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606893232] [2020-07-17 11:38:36,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053442452] [2020-07-17 11:38:36,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:38:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:38:36,585 INFO L264 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 32 conjunts are in the unsatisfiable core [2020-07-17 11:38:36,591 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:38:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 259 proven. 12 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2020-07-17 11:38:36,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 11:38:36,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2020-07-17 11:38:36,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573005695] [2020-07-17 11:38:36,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-17 11:38:36,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:38:36,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-17 11:38:36,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2020-07-17 11:38:36,925 INFO L87 Difference]: Start difference. First operand 1170 states and 1335 transitions. Second operand 26 states. [2020-07-17 11:38:37,496 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:38,357 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:39,199 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:39,735 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:38:40,202 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-17 11:38:40,677 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:38:40,940 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:41,340 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:41,670 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:38:42,163 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-17 11:38:43,134 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-17 11:38:43,766 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-17 11:38:46,131 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:38:46,502 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:38:47,029 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:38:47,513 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-07-17 11:38:50,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:38:50,686 INFO L93 Difference]: Finished difference Result 2704 states and 3480 transitions. [2020-07-17 11:38:50,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2020-07-17 11:38:50,687 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 327 [2020-07-17 11:38:50,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:38:50,688 INFO L225 Difference]: With dead ends: 2704 [2020-07-17 11:38:50,689 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:38:50,698 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 459 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2563 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1534, Invalid=6656, Unknown=0, NotChecked=0, Total=8190 [2020-07-17 11:38:50,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:38:50,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:38:50,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:38:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:38:50,699 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 327 [2020-07-17 11:38:50,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:38:50,700 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:38:50,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-17 11:38:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:38:50,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:38:50,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-17 11:38:50,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:38:54,395 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 572 DAG size of output: 450 [2020-07-17 11:39:04,301 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 362 [2020-07-17 11:39:07,298 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 304 [2020-07-17 11:39:08,295 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 393 [2020-07-17 11:39:08,997 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 356 [2020-07-17 11:39:10,515 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 356 [2020-07-17 11:39:11,061 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 230 [2020-07-17 11:39:13,666 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 15 [2020-07-17 11:39:14,577 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 27 [2020-07-17 11:39:14,781 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-17 11:39:14,985 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-07-17 11:39:15,156 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-17 11:39:15,573 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-17 11:39:15,776 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-17 11:39:18,402 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 358 DAG size of output: 34 [2020-07-17 11:39:18,578 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 1 [2020-07-17 11:39:18,731 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-17 11:39:19,087 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 39 [2020-07-17 11:39:19,269 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 1 [2020-07-17 11:39:20,012 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 29 [2020-07-17 11:39:20,682 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 57 [2020-07-17 11:39:21,527 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 26 [2020-07-17 11:39:21,746 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:39:23,546 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 255 DAG size of output: 44 [2020-07-17 11:39:23,726 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 1 [2020-07-17 11:39:24,024 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 1 [2020-07-17 11:39:25,491 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 228 DAG size of output: 37 [2020-07-17 11:39:25,847 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 15 [2020-07-17 11:39:27,600 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 268 DAG size of output: 38 [2020-07-17 11:39:27,951 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 15 [2020-07-17 11:39:28,154 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-07-17 11:39:28,346 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-17 11:39:30,387 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 204 DAG size of output: 39 [2020-07-17 11:39:31,950 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 244 DAG size of output: 35 [2020-07-17 11:39:32,629 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 24 [2020-07-17 11:39:33,256 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 26 [2020-07-17 11:39:33,830 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 18 [2020-07-17 11:39:35,250 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 248 DAG size of output: 38 [2020-07-17 11:39:35,389 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2020-07-17 11:39:35,565 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-17 11:39:35,756 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-17 11:39:36,633 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 28 [2020-07-17 11:39:38,808 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 304 DAG size of output: 36 [2020-07-17 11:39:38,999 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-17 11:39:39,192 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-17 11:39:39,368 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-07-17 11:39:40,307 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 29 [2020-07-17 11:39:40,508 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-07-17 11:39:40,702 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 25 [2020-07-17 11:39:40,876 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-17 11:39:41,672 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 54 [2020-07-17 11:39:42,254 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2020-07-17 11:39:43,136 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 29 [2020-07-17 11:39:44,044 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 31 [2020-07-17 11:39:44,627 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 25 [2020-07-17 11:39:44,960 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 15 [2020-07-17 11:39:45,969 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 34 [2020-07-17 11:39:45,986 INFO L268 CegarLoopResult]: For program point L224(lines 224 228) no Hoare annotation was computed. [2020-07-17 11:39:45,986 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 228) no Hoare annotation was computed. [2020-07-17 11:39:45,986 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-17 11:39:45,986 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 239) no Hoare annotation was computed. [2020-07-17 11:39:45,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 193 248) no Hoare annotation was computed. [2020-07-17 11:39:45,987 INFO L268 CegarLoopResult]: For program point L240(lines 217 241) no Hoare annotation was computed. [2020-07-17 11:39:45,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 193 248) no Hoare annotation was computed. [2020-07-17 11:39:45,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 193 248) no Hoare annotation was computed. [2020-07-17 11:39:45,987 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-17 11:39:45,987 INFO L268 CegarLoopResult]: For program point L281-1(lines 281 285) no Hoare annotation was computed. [2020-07-17 11:39:45,987 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 249 308) no Hoare annotation was computed. [2020-07-17 11:39:45,987 INFO L268 CegarLoopResult]: For program point L276(line 276) no Hoare annotation was computed. [2020-07-17 11:39:45,988 INFO L268 CegarLoopResult]: For program point L275-2(lines 275 300) no Hoare annotation was computed. [2020-07-17 11:39:45,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 249 308) no Hoare annotation was computed. [2020-07-17 11:39:45,988 INFO L268 CegarLoopResult]: For program point L301(lines 274 302) no Hoare annotation was computed. [2020-07-17 11:39:45,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 249 308) no Hoare annotation was computed. [2020-07-17 11:39:45,988 INFO L268 CegarLoopResult]: For program point L294(line 294) no Hoare annotation was computed. [2020-07-17 11:39:45,988 INFO L268 CegarLoopResult]: For program point L294-1(line 294) no Hoare annotation was computed. [2020-07-17 11:39:45,988 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2020-07-17 11:39:45,988 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2020-07-17 11:39:45,989 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2020-07-17 11:39:45,989 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2020-07-17 11:39:45,989 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2020-07-17 11:39:45,989 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:39:45,989 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2020-07-17 11:39:45,989 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2020-07-17 11:39:45,990 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse4 .cse1 .cse5) (or .cse0 (not (< 1 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse1 (not (<= ~waterLevel~0 1)) .cse5))) [2020-07-17 11:39:45,990 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-17 11:39:45,990 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2020-07-17 11:39:45,990 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2020-07-17 11:39:45,990 INFO L264 CegarLoopResult]: At program point L961(line 961) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 ~systemActive~0)) .cse0) (or .cse1 .cse0 .cse2) (or (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-17 11:39:45,990 INFO L268 CegarLoopResult]: For program point L959(lines 959 965) no Hoare annotation was computed. [2020-07-17 11:39:45,990 INFO L268 CegarLoopResult]: For program point L958(lines 958 968) no Hoare annotation was computed. [2020-07-17 11:39:45,991 INFO L264 CegarLoopResult]: At program point L956(line 956) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse1 (not (<= ~waterLevel~0 1))) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse1 .cse4) (or .cse6 .cse4 .cse3) (or (not (<= ~waterLevel~0 2)) .cse5 (not (< 1 ~waterLevel~0)) .cse4) (or .cse6 .cse2 .cse3))) [2020-07-17 11:39:45,991 INFO L268 CegarLoopResult]: For program point L956-1(line 956) no Hoare annotation was computed. [2020-07-17 11:39:45,991 INFO L268 CegarLoopResult]: For program point L954(lines 954 971) no Hoare annotation was computed. [2020-07-17 11:39:45,991 INFO L268 CegarLoopResult]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2020-07-17 11:39:45,991 INFO L271 CegarLoopResult]: At program point L952(line 952) the Hoare annotation is: true [2020-07-17 11:39:45,991 INFO L268 CegarLoopResult]: For program point L952-1(line 952) no Hoare annotation was computed. [2020-07-17 11:39:45,991 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2020-07-17 11:39:45,991 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2020-07-17 11:39:45,992 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:45,992 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2020-07-17 11:39:45,992 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2020-07-17 11:39:45,992 INFO L264 CegarLoopResult]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= 1 main_~tmp~7))) [2020-07-17 11:39:45,992 INFO L264 CegarLoopResult]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= 1 main_~tmp~7))) [2020-07-17 11:39:45,992 INFO L268 CegarLoopResult]: For program point L904(lines 904 911) no Hoare annotation was computed. [2020-07-17 11:39:45,993 INFO L268 CegarLoopResult]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2020-07-17 11:39:45,993 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-17 11:39:45,993 INFO L264 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:45,993 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:45,993 INFO L264 CegarLoopResult]: At program point L900-1(line 900) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:45,993 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 851 874) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 851 874) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 851 874) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-07-17 11:39:45,994 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-07-17 11:39:45,995 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-17 11:39:45,995 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-07-17 11:39:45,995 INFO L268 CegarLoopResult]: For program point L869(line 869) no Hoare annotation was computed. [2020-07-17 11:39:45,995 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-17 11:39:45,995 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-17 11:39:45,995 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-17 11:39:45,995 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2020-07-17 11:39:45,995 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|))) (or .cse1 .cse2 .cse0 (not (< 1 ~waterLevel~0))) (or .cse1 .cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-17 11:39:45,996 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse3 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse0 (and .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (< 1 ~waterLevel~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)))))) [2020-07-17 11:39:45,996 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2020-07-17 11:39:45,996 INFO L268 CegarLoopResult]: For program point L692(lines 692 698) no Hoare annotation was computed. [2020-07-17 11:39:45,996 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2020-07-17 11:39:45,996 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2020-07-17 11:39:45,996 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2020-07-17 11:39:45,996 INFO L268 CegarLoopResult]: For program point L640(lines 640 648) no Hoare annotation was computed. [2020-07-17 11:39:45,996 INFO L268 CegarLoopResult]: For program point L640-2(lines 640 648) no Hoare annotation was computed. [2020-07-17 11:39:45,996 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-07-17 11:39:45,997 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-07-17 11:39:45,997 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 633 668) no Hoare annotation was computed. [2020-07-17 11:39:45,997 INFO L268 CegarLoopResult]: For program point L652(lines 652 660) no Hoare annotation was computed. [2020-07-17 11:39:45,997 INFO L268 CegarLoopResult]: For program point L652-2(lines 652 660) no Hoare annotation was computed. [2020-07-17 11:39:45,997 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 633 668) no Hoare annotation was computed. [2020-07-17 11:39:45,997 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 633 668) no Hoare annotation was computed. [2020-07-17 11:39:45,997 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2020-07-17 11:39:45,997 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2020-07-17 11:39:45,997 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 147 192) no Hoare annotation was computed. [2020-07-17 11:39:45,997 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 147 192) no Hoare annotation was computed. [2020-07-17 11:39:45,998 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 147 192) no Hoare annotation was computed. [2020-07-17 11:39:45,998 INFO L268 CegarLoopResult]: For program point L480(lines 480 487) no Hoare annotation was computed. [2020-07-17 11:39:45,998 INFO L268 CegarLoopResult]: For program point L474(lines 474 494) no Hoare annotation was computed. [2020-07-17 11:39:45,998 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 460 505) no Hoare annotation was computed. [2020-07-17 11:39:45,998 INFO L268 CegarLoopResult]: For program point L474-1(lines 474 494) no Hoare annotation was computed. [2020-07-17 11:39:45,998 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 460 505) no Hoare annotation was computed. [2020-07-17 11:39:45,998 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 460 505) no Hoare annotation was computed. [2020-07-17 11:39:45,998 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:45,998 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2020-07-17 11:39:45,999 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:45,999 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2020-07-17 11:39:45,999 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2020-07-17 11:39:45,999 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2020-07-17 11:39:45,999 INFO L271 CegarLoopResult]: At program point L618(line 618) the Hoare annotation is: true [2020-07-17 11:39:45,999 INFO L268 CegarLoopResult]: For program point L618-1(line 618) no Hoare annotation was computed. [2020-07-17 11:39:45,999 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2020-07-17 11:39:45,999 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (< 1 ~waterLevel~0))))) [2020-07-17 11:39:45,999 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2020-07-17 11:39:46,000 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2020-07-17 11:39:46,000 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-17 11:39:46,000 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-17 11:39:46,000 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-17 11:39:46,000 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-17 11:39:46,000 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-17 11:39:46,000 INFO L268 CegarLoopResult]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2020-07-17 11:39:46,000 INFO L264 CegarLoopResult]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 processEnvironment_~tmp~3) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0))) [2020-07-17 11:39:46,000 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2020-07-17 11:39:46,001 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0)) .cse0))) [2020-07-17 11:39:46,001 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (<= ~waterLevel~0 1))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 2 ~waterLevel~0)) .cse0 .cse1 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2 .cse3))) [2020-07-17 11:39:46,001 INFO L268 CegarLoopResult]: For program point L562(lines 562 570) no Hoare annotation was computed. [2020-07-17 11:39:46,001 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse0) (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2020-07-17 11:39:46,001 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-07-17 11:39:46,001 INFO L268 CegarLoopResult]: For program point L558(lines 558 575) no Hoare annotation was computed. [2020-07-17 11:39:46,001 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2020-07-17 11:39:46,001 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2020-07-17 11:39:46,001 INFO L264 CegarLoopResult]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:46,002 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (= 1 ~waterLevel~0) .cse3 .cse5) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse3) (and .cse0 (= 0 ~systemActive~0) (<= ~waterLevel~0 2) .cse1) (and .cse4 .cse0 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 .cse5) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse2 .cse3 .cse5))) [2020-07-17 11:39:46,002 INFO L268 CegarLoopResult]: For program point L733(lines 733 739) no Hoare annotation was computed. [2020-07-17 11:39:46,002 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2020-07-17 11:39:46,002 INFO L268 CegarLoopResult]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2020-07-17 11:39:46,002 INFO L268 CegarLoopResult]: For program point L725(lines 725 729) no Hoare annotation was computed. [2020-07-17 11:39:46,002 INFO L264 CegarLoopResult]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:39:46,002 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:39:46,002 INFO L268 CegarLoopResult]: For program point L761(lines 761 767) no Hoare annotation was computed. [2020-07-17 11:39:46,002 INFO L264 CegarLoopResult]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse1 .cse2) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:39:46,003 INFO L268 CegarLoopResult]: For program point L724(lines 723 772) no Hoare annotation was computed. [2020-07-17 11:39:46,003 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 1) .cse1) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:39:46,003 INFO L268 CegarLoopResult]: For program point L753(lines 753 768) no Hoare annotation was computed. [2020-07-17 11:39:46,003 INFO L264 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 1)) (and .cse0 .cse1 .cse2 (= 2 ~waterLevel~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (< 1 ~waterLevel~0) .cse3 .cse4 .cse5) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:39:46,003 INFO L268 CegarLoopResult]: For program point L743(lines 743 749) no Hoare annotation was computed. [2020-07-17 11:39:46,003 INFO L268 CegarLoopResult]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2020-07-17 11:39:46,003 INFO L268 CegarLoopResult]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2020-07-17 11:39:46,003 INFO L264 CegarLoopResult]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse2 .cse4 .cse5) (and .cse6 .cse0 (= 1 ~waterLevel~0) .cse5 .cse7) (and .cse0 .cse2 .cse3 .cse5) (and .cse6 .cse0 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse7) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse5 .cse7))) [2020-07-17 11:39:46,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 414 459) no Hoare annotation was computed. [2020-07-17 11:39:46,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 414 459) no Hoare annotation was computed. [2020-07-17 11:39:46,004 INFO L268 CegarLoopResult]: For program point L434(lines 434 441) no Hoare annotation was computed. [2020-07-17 11:39:46,004 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 414 459) no Hoare annotation was computed. [2020-07-17 11:39:46,004 INFO L268 CegarLoopResult]: For program point L428(lines 428 448) no Hoare annotation was computed. [2020-07-17 11:39:46,004 INFO L268 CegarLoopResult]: For program point L428-1(lines 428 448) no Hoare annotation was computed. [2020-07-17 11:39:46,004 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:39:46,004 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2020-07-17 11:39:46,004 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2020-07-17 11:39:46,004 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 311 413) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point L376-1(line 376) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point L335(lines 335 339) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point L399(lines 399 410) no Hoare annotation was computed. [2020-07-17 11:39:46,005 INFO L268 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-07-17 11:39:46,006 INFO L268 CegarLoopResult]: For program point L360-2(lines 360 380) no Hoare annotation was computed. [2020-07-17 11:39:46,006 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 311 413) no Hoare annotation was computed. [2020-07-17 11:39:46,006 INFO L268 CegarLoopResult]: For program point L381(lines 359 382) no Hoare annotation was computed. [2020-07-17 11:39:46,006 INFO L268 CegarLoopResult]: For program point L340(lines 340 356) no Hoare annotation was computed. [2020-07-17 11:39:46,006 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 311 413) no Hoare annotation was computed. [2020-07-17 11:39:46,006 INFO L268 CegarLoopResult]: For program point L400(lines 400 407) no Hoare annotation was computed. [2020-07-17 11:39:46,006 INFO L268 CegarLoopResult]: For program point L361(lines 360 380) no Hoare annotation was computed. [2020-07-17 11:39:46,006 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-17 11:39:46,007 INFO L268 CegarLoopResult]: For program point L392-1(line 392) no Hoare annotation was computed. [2020-07-17 11:39:46,007 INFO L268 CegarLoopResult]: For program point L357(lines 357 398) no Hoare annotation was computed. [2020-07-17 11:39:46,007 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 786 795) no Hoare annotation was computed. [2020-07-17 11:39:46,007 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 786 795) no Hoare annotation was computed. [2020-07-17 11:39:46,007 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 786 795) no Hoare annotation was computed. [2020-07-17 11:39:46,007 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:39:46,007 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string1.offset| |old(#t~string1.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string49.offset| |old(#t~string49.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~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|)) [2020-07-17 11:39:46,007 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:39:46,008 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:39:46,008 INFO L268 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-07-17 11:39:46,008 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2020-07-17 11:39:46,008 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:39:46,008 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:39:46,008 INFO L268 CegarLoopResult]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2020-07-17 11:39:46,008 INFO L268 CegarLoopResult]: For program point L595(lines 595 601) no Hoare annotation was computed. [2020-07-17 11:39:46,008 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-07-17 11:39:46,008 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-17 11:39:46,009 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-17 11:39:46,009 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2020-07-17 11:39:46,009 INFO L268 CegarLoopResult]: For program point L678(lines 678 682) no Hoare annotation was computed. [2020-07-17 11:39:46,009 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2020-07-17 11:39:46,009 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2020-07-17 11:39:46,009 INFO L271 CegarLoopResult]: At program point L676(line 676) the Hoare annotation is: true [2020-07-17 11:39:46,009 INFO L268 CegarLoopResult]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2020-07-17 11:39:46,009 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-07-17 11:39:46,010 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-17 11:39:46,010 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse0 .cse4 (not (<= ~waterLevel~0 1)) .cse5) (or .cse1 .cse0 .cse5 .cse3) (or .cse0 (not (= 2 ~waterLevel~0)) .cse4 .cse5) (or .cse0 .cse1 (not (< 1 ~waterLevel~0)) .cse2 .cse3))) [2020-07-17 11:39:46,010 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-17 11:39:46,010 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:39:46,010 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:39:46,010 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:39:46,010 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-17 11:39:46,011 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-17 11:39:46,011 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-17 11:39:46,011 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 0))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (and .cse10 .cse11 (<= ~waterLevel~0 0) .cse13 .cse12 (<= 1 ~pumpRunning~0))) (.cse4 (and .cse0 .cse13)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not .cse12))) (and (or (and .cse0 .cse1) .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 .cse2 .cse5 .cse3) (or .cse6 .cse7 .cse8 .cse5 .cse3) (or (not (= 0 ~systemActive~0)) .cse2 .cse9) (or .cse6 (not (<= |old(~waterLevel~0)| 1)) (and .cse10 .cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse7 .cse8 .cse3) (or .cse4 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse7 .cse9 (not (< 1 |old(~waterLevel~0)|)) (and .cse10 .cse11 .cse1) .cse3)))) [2020-07-17 11:39:46,011 INFO L264 CegarLoopResult]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse8 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= 1 ~systemActive~0)) (.cse12 (<= 1 ~pumpRunning~0))) (let ((.cse4 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (and .cse8 .cse9 (<= ~waterLevel~0 0) .cse11 .cse13 .cse12)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~systemActive~0))) (.cse1 (and (= 0 ~pumpRunning~0) .cse11)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 (not (<= |old(~waterLevel~0)| 0)) .cse7) (or .cse4 .cse0 (and .cse8 .cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) .cse5 .cse6 .cse7) (or .cse5 .cse10 (not (< 1 |old(~waterLevel~0)|)) (and .cse8 .cse9 (= 1 ~waterLevel~0)) .cse7) (or .cse1 (not (= 2 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse1 (and (= 2 ~waterLevel~0) .cse11 .cse12) .cse3 .cse10 .cse7)))) [2020-07-17 11:39:46,011 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse4 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse3 .cse4 .cse2))) [2020-07-17 11:39:46,012 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse7 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse7 .cse8)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse8)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or .cse0 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse6 .cse3 .cse4) (or .cse5 .cse6 .cse3 (not (< 1 |old(~waterLevel~0)|)) .cse4)))) [2020-07-17 11:39:46,012 INFO L268 CegarLoopResult]: For program point L526(lines 522 544) no Hoare annotation was computed. [2020-07-17 11:39:46,012 INFO L268 CegarLoopResult]: For program point L524(lines 522 544) no Hoare annotation was computed. [2020-07-17 11:39:46,012 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2020-07-17 11:39:46,012 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2020-07-17 11:39:46,012 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-17 11:39:46,012 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2020-07-17 11:39:46,012 INFO L271 CegarLoopResult]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2020-07-17 11:39:46,013 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2020-07-17 11:39:46,013 INFO L271 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: true [2020-07-17 11:39:46,013 INFO L268 CegarLoopResult]: For program point L827-1(line 827) no Hoare annotation was computed. [2020-07-17 11:39:46,013 INFO L271 CegarLoopResult]: At program point L846(lines 821 850) the Hoare annotation is: true [2020-07-17 11:39:46,013 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-17 11:39:46,013 INFO L268 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-07-17 11:39:46,013 INFO L271 CegarLoopResult]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2020-07-17 11:39:46,013 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:39:46,013 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-17 11:39:46,014 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-17 11:39:46,014 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2020-07-17 11:39:46,014 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2020-07-17 11:39:46,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:39:46,014 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:39:46,014 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:39:46,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:39:46,014 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2020-07-17 11:39:46,014 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (< 1 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2))) [2020-07-17 11:39:46,015 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2020-07-17 11:39:46,015 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-17 11:39:46,015 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-17 11:39:46,015 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (< 1 |old(~waterLevel~0)|)) .cse2 .cse3) (or .cse4 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse6) (or (not (= 2 |old(~waterLevel~0)|)) .cse5 .cse1 .cse6) (or (not (<= |old(~waterLevel~0)| 0)) .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2020-07-17 11:39:46,015 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2020-07-17 11:39:46,015 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2020-07-17 11:39:46,015 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2020-07-17 11:39:46,015 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2020-07-17 11:39:46,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:39:46 BoogieIcfgContainer [2020-07-17 11:39:46,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:39:46,036 INFO L168 Benchmark]: Toolchain (without parser) took 148648.11 ms. Allocated memory was 137.9 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 101.7 MB in the beginning and 412.1 MB in the end (delta: -310.4 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-17 11:39:46,036 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:39:46,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.99 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 170.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:46,037 INFO L168 Benchmark]: Boogie Preprocessor took 95.90 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 165.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:46,038 INFO L168 Benchmark]: RCFGBuilder took 1116.74 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 194.0 MB in the end (delta: -28.2 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. [2020-07-17 11:39:46,038 INFO L168 Benchmark]: TraceAbstraction took 146730.66 ms. Allocated memory was 234.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 194.0 MB in the beginning and 412.1 MB in the end (delta: -218.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2020-07-17 11:39:46,040 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.99 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 170.1 MB in the end (delta: -68.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.90 ms. Allocated memory is still 202.4 MB. Free memory was 170.1 MB in the beginning and 165.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1116.74 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 194.0 MB in the end (delta: -28.2 MB). Peak memory consumption was 84.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 146730.66 ms. Allocated memory was 234.9 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 194.0 MB in the beginning and 412.1 MB in the end (delta: -218.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: (((((((((((0 == splverifierCounter && 0 == systemActive) && 0 == pumpRunning) && waterLevel <= 1) || (((0 == splverifierCounter && 0 == systemActive) && 2 == waterLevel) && 0 == pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || (((0 == splverifierCounter && 0 == pumpRunning) && 2 == waterLevel) && 1 == systemActive)) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && 1 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || (((0 == splverifierCounter && 0 == pumpRunning) && waterLevel <= 1) && 1 == systemActive)) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel + 1 <= \old(waterLevel)) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 242 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 91.5s, OverallIterations: 13, TraceHistogramMax: 8, AutomataDifference: 76.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 55.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2168 SDtfs, 7082 SDslu, 4863 SDs, 0 SdLazy, 21317 SolverSat, 6298 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 29.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2600 GetRequests, 2166 SyntacticMatches, 3 SemanticMatches, 431 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7360 ImplicationChecksByTransitivity, 42.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1580occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1756 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3964 PreInvPairs, 4538 NumberOfFragments, 2458 HoareAnnotationTreeSize, 3964 FomulaSimplifications, 2384823097 FormulaSimplificationTreeSizeReduction, 22.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 9127086 FormulaSimplificationTreeSizeReductionInter, 32.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 3450 NumberOfCodeBlocks, 3450 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3432 ConstructedInterpolants, 0 QuantifiedInterpolants, 1732654 SizeOfPredicates, 19 NumberOfNonLiveVariables, 6234 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 2974/3158 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...