/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:29:47,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:29:47,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:29:48,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:29:48,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:29:48,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:29:48,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:29:48,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:29:48,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:29:48,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:29:48,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:29:48,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:29:48,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:29:48,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:29:48,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:29:48,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:29:48,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:29:48,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:29:48,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:29:48,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:29:48,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:29:48,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:29:48,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:29:48,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:29:48,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:29:48,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:29:48,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:29:48,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:29:48,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:29:48,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:29:48,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:29:48,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:29:48,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:29:48,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:29:48,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:29:48,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:29:48,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:29:48,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:29:48,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:29:48,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:29:48,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:29:48,081 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 11:29:48,101 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:29:48,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:29:48,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:29:48,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:29:48,104 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:29:48,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:29:48,104 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:29:48,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:29:48,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:29:48,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:29:48,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:29:48,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:29:48,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:29:48,106 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:29:48,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:29:48,107 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:29:48,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:29:48,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:29:48,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:29:48,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:29:48,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:29:48,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:29:48,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:29:48,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:29:48,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:29:48,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:29:48,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:29:48,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:29:48,109 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:29:48,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:29:48,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:29:48,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:29:48,379 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:29:48,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:29:48,381 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:29:48,381 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-17 11:29:48,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372dd167a/31f77edf198141b3bf36ba20f17f8203/FLAGc72f40be7 [2020-07-17 11:29:48,944 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:29:48,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-17 11:29:48,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372dd167a/31f77edf198141b3bf36ba20f17f8203/FLAGc72f40be7 [2020-07-17 11:29:49,337 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372dd167a/31f77edf198141b3bf36ba20f17f8203 [2020-07-17 11:29:49,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:29:49,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:29:49,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:29:49,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:29:49,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:29:49,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:29:49" (1/1) ... [2020-07-17 11:29:49,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1706c328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49, skipping insertion in model container [2020-07-17 11:29:49,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:29:49" (1/1) ... [2020-07-17 11:29:49,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:29:49,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:29:49,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:29:49,855 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:29:49,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:29:49,994 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:29:49,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49 WrapperNode [2020-07-17 11:29:49,995 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:29:49,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:29:49,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:29:49,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:29:50,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49" (1/1) ... [2020-07-17 11:29:50,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49" (1/1) ... [2020-07-17 11:29:50,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49" (1/1) ... [2020-07-17 11:29:50,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49" (1/1) ... [2020-07-17 11:29:50,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49" (1/1) ... [2020-07-17 11:29:50,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49" (1/1) ... [2020-07-17 11:29:50,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49" (1/1) ... [2020-07-17 11:29:50,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:29:50,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:29:50,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:29:50,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:29:50,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49" (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 11:29:50,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:29:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:29:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:29:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:29:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-17 11:29:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-17 11:29:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:29:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:29:50,144 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:29:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:29:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:29:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:29:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:29:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:29:50,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:29:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:29:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:29:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:29:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:29:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:29:50,146 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:29:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:29:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:29:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:29:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:29:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:29:50,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:29:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:29:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:29:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:29:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:29:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:29:50,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:29:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:29:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:29:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:29:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:29:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:29:50,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:29:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:29:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:29:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:29:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:29:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:29:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:29:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:29:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-17 11:29:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-17 11:29:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:29:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:29:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:29:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:29:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:29:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:29:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:29:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:29:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:29:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:29:50,152 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:29:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:29:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:29:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:29:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:29:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:29:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:29:50,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:29:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:29:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:29:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:29:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:29:50,154 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:29:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:29:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:29:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:29:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:29:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:29:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:29:50,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:29:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:29:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:29:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:29:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:29:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:29:50,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:29:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:29:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:29:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:29:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:29:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:29:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:29:50,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:29:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:29:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:29:50,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:29:51,142 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:29:51,143 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:29:51,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:29:51 BoogieIcfgContainer [2020-07-17 11:29:51,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:29:51,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:29:51,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:29:51,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:29:51,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:29:49" (1/3) ... [2020-07-17 11:29:51,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f85b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:29:51, skipping insertion in model container [2020-07-17 11:29:51,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:29:49" (2/3) ... [2020-07-17 11:29:51,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f85b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:29:51, skipping insertion in model container [2020-07-17 11:29:51,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:29:51" (3/3) ... [2020-07-17 11:29:51,160 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2020-07-17 11:29:51,167 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:29:51,174 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:29:51,186 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:29:51,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:29:51,211 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:29:51,211 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:29:51,211 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:29:51,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:29:51,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:29:51,212 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:29:51,212 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:29:51,234 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-07-17 11:29:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 11:29:51,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:29:51,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:29:51,246 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:29:51,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:29:51,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1698741088, now seen corresponding path program 1 times [2020-07-17 11:29:51,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:29:51,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548515633] [2020-07-17 11:29:51,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:29:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:51,889 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:29:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:29:51,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548515633] [2020-07-17 11:29:51,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:29:51,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:29:51,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243031541] [2020-07-17 11:29:51,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:29:51,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:29:52,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:29:52,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:29:52,012 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 4 states. [2020-07-17 11:29:53,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:29:53,139 INFO L93 Difference]: Finished difference Result 296 states and 387 transitions. [2020-07-17 11:29:53,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:29:53,141 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-17 11:29:53,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:29:53,154 INFO L225 Difference]: With dead ends: 296 [2020-07-17 11:29:53,155 INFO L226 Difference]: Without dead ends: 165 [2020-07-17 11:29:53,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:29:53,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-07-17 11:29:53,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 132. [2020-07-17 11:29:53,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-17 11:29:53,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-07-17 11:29:53,252 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2020-07-17 11:29:53,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:29:53,253 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-07-17 11:29:53,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:29:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-07-17 11:29:53,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 11:29:53,256 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:29:53,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:29:53,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:29:53,257 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:29:53,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:29:53,257 INFO L82 PathProgramCache]: Analyzing trace with hash 160126664, now seen corresponding path program 1 times [2020-07-17 11:29:53,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:29:53,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092813685] [2020-07-17 11:29:53,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:29:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:53,667 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:29:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:53,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:29:53,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092813685] [2020-07-17 11:29:53,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:29:53,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:29:53,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96254610] [2020-07-17 11:29:53,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:29:53,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:29:53,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:29:53,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:29:53,722 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 5 states. [2020-07-17 11:29:54,143 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:29:54,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:29:54,997 INFO L93 Difference]: Finished difference Result 237 states and 294 transitions. [2020-07-17 11:29:54,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:29:54,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-17 11:29:54,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:29:55,001 INFO L225 Difference]: With dead ends: 237 [2020-07-17 11:29:55,001 INFO L226 Difference]: Without dead ends: 155 [2020-07-17 11:29:55,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:29:55,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-17 11:29:55,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-07-17 11:29:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-17 11:29:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-17 11:29:55,042 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2020-07-17 11:29:55,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:29:55,043 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-17 11:29:55,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:29:55,043 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-17 11:29:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 11:29:55,046 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:29:55,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:29:55,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:29:55,046 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:29:55,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:29:55,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1051645430, now seen corresponding path program 1 times [2020-07-17 11:29:55,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:29:55,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088438814] [2020-07-17 11:29:55,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:29:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:55,405 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:29:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:29:55,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088438814] [2020-07-17 11:29:55,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:29:55,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:29:55,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753985061] [2020-07-17 11:29:55,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:29:55,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:29:55,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:29:55,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:29:55,525 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 9 states. [2020-07-17 11:29:55,986 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:29:56,291 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:29:56,530 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:29:56,754 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:29:57,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:29:57,925 INFO L93 Difference]: Finished difference Result 250 states and 313 transitions. [2020-07-17 11:29:57,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:29:57,926 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-17 11:29:57,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:29:57,929 INFO L225 Difference]: With dead ends: 250 [2020-07-17 11:29:57,929 INFO L226 Difference]: Without dead ends: 155 [2020-07-17 11:29:57,930 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:29:57,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-17 11:29:57,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 123. [2020-07-17 11:29:57,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-17 11:29:57,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2020-07-17 11:29:57,965 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2020-07-17 11:29:57,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:29:57,966 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2020-07-17 11:29:57,966 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:29:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2020-07-17 11:29:57,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-17 11:29:57,969 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:29:57,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:29:57,969 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:29:57,969 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:29:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:29:57,970 INFO L82 PathProgramCache]: Analyzing trace with hash 23828646, now seen corresponding path program 1 times [2020-07-17 11:29:57,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:29:57,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006809003] [2020-07-17 11:29:57,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:29:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,247 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:29:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:29:58,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:29:58,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006809003] [2020-07-17 11:29:58,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:29:58,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:29:58,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697248395] [2020-07-17 11:29:58,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:29:58,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:29:58,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:29:58,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:29:58,367 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 7 states. [2020-07-17 11:29:58,764 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:29:59,920 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:00,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:00,540 INFO L93 Difference]: Finished difference Result 349 states and 441 transitions. [2020-07-17 11:30:00,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:30:00,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-07-17 11:30:00,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:00,546 INFO L225 Difference]: With dead ends: 349 [2020-07-17 11:30:00,546 INFO L226 Difference]: Without dead ends: 254 [2020-07-17 11:30:00,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:30:00,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-07-17 11:30:00,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 205. [2020-07-17 11:30:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-07-17 11:30:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2020-07-17 11:30:00,596 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2020-07-17 11:30:00,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:00,597 INFO L479 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2020-07-17 11:30:00,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:30:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2020-07-17 11:30:00,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-17 11:30:00,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:00,599 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:00,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:30:00,600 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:00,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:00,600 INFO L82 PathProgramCache]: Analyzing trace with hash 765865706, now seen corresponding path program 1 times [2020-07-17 11:30:00,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:00,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639469944] [2020-07-17 11:30:00,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,889 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:01,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:01,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639469944] [2020-07-17 11:30:01,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:01,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:30:01,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527386539] [2020-07-17 11:30:01,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:30:01,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:01,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:30:01,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:30:01,006 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 9 states. [2020-07-17 11:30:01,552 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:02,715 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:02,982 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:03,221 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:03,446 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:04,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:04,666 INFO L93 Difference]: Finished difference Result 611 states and 771 transitions. [2020-07-17 11:30:04,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 11:30:04,671 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-07-17 11:30:04,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:04,674 INFO L225 Difference]: With dead ends: 611 [2020-07-17 11:30:04,674 INFO L226 Difference]: Without dead ends: 434 [2020-07-17 11:30:04,676 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:30:04,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-07-17 11:30:04,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 358. [2020-07-17 11:30:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-07-17 11:30:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2020-07-17 11:30:04,753 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2020-07-17 11:30:04,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:04,754 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2020-07-17 11:30:04,754 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:30:04,754 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2020-07-17 11:30:04,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-17 11:30:04,756 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:04,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:04,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:30:04,756 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:04,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:04,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1305842374, now seen corresponding path program 1 times [2020-07-17 11:30:04,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:04,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125081026] [2020-07-17 11:30:04,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,027 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:05,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:05,144 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125081026] [2020-07-17 11:30:05,145 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:05,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 11:30:05,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346224107] [2020-07-17 11:30:05,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 11:30:05,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:05,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 11:30:05,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:30:05,146 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 10 states. [2020-07-17 11:30:05,602 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:06,756 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:06,973 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:07,240 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:07,521 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:08,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:08,602 INFO L93 Difference]: Finished difference Result 802 states and 995 transitions. [2020-07-17 11:30:08,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-17 11:30:08,603 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-07-17 11:30:08,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:08,607 INFO L225 Difference]: With dead ends: 802 [2020-07-17 11:30:08,607 INFO L226 Difference]: Without dead ends: 472 [2020-07-17 11:30:08,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:30:08,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2020-07-17 11:30:08,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 357. [2020-07-17 11:30:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-07-17 11:30:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2020-07-17 11:30:08,676 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2020-07-17 11:30:08,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:08,676 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2020-07-17 11:30:08,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 11:30:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2020-07-17 11:30:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:30:08,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:08,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:08,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:30:08,679 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:08,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:08,679 INFO L82 PathProgramCache]: Analyzing trace with hash -638509814, now seen corresponding path program 1 times [2020-07-17 11:30:08,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:08,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770245211] [2020-07-17 11:30:08,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:08,912 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:08,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:09,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:09,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770245211] [2020-07-17 11:30:09,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:09,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 11:30:09,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107241310] [2020-07-17 11:30:09,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 11:30:09,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:09,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 11:30:09,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:30:09,057 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 10 states. [2020-07-17 11:30:10,042 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:10,280 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:30:10,516 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:10,744 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:11,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:11,639 INFO L93 Difference]: Finished difference Result 805 states and 1004 transitions. [2020-07-17 11:30:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:30:11,639 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-17 11:30:11,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:11,643 INFO L225 Difference]: With dead ends: 805 [2020-07-17 11:30:11,643 INFO L226 Difference]: Without dead ends: 476 [2020-07-17 11:30:11,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:30:11,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2020-07-17 11:30:11,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 367. [2020-07-17 11:30:11,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-07-17 11:30:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2020-07-17 11:30:11,711 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2020-07-17 11:30:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:11,711 INFO L479 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2020-07-17 11:30:11,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 11:30:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2020-07-17 11:30:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:30:11,713 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:11,713 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:11,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:30:11,714 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:11,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:11,714 INFO L82 PathProgramCache]: Analyzing trace with hash 63090060, now seen corresponding path program 1 times [2020-07-17 11:30:11,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:11,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824639895] [2020-07-17 11:30:11,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:11,968 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:12,115 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824639895] [2020-07-17 11:30:12,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:12,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:30:12,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956621854] [2020-07-17 11:30:12,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:30:12,119 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:12,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:30:12,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:30:12,120 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 12 states. [2020-07-17 11:30:13,023 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:13,380 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:13,672 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:14,345 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:14,587 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:14,821 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:15,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:15,781 INFO L93 Difference]: Finished difference Result 829 states and 1046 transitions. [2020-07-17 11:30:15,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:30:15,782 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-17 11:30:15,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:15,786 INFO L225 Difference]: With dead ends: 829 [2020-07-17 11:30:15,786 INFO L226 Difference]: Without dead ends: 490 [2020-07-17 11:30:15,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:30:15,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-07-17 11:30:15,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 375. [2020-07-17 11:30:15,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-07-17 11:30:15,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2020-07-17 11:30:15,879 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2020-07-17 11:30:15,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:15,880 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2020-07-17 11:30:15,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:30:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2020-07-17 11:30:15,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:30:15,883 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:15,883 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:30:15,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:30:15,883 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:15,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:15,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1788570957, now seen corresponding path program 1 times [2020-07-17 11:30:15,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:15,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210613779] [2020-07-17 11:30:15,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,249 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:16,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210613779] [2020-07-17 11:30:16,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:16,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:30:16,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462788566] [2020-07-17 11:30:16,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:30:16,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:16,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:30:16,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:30:16,432 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 8 states. [2020-07-17 11:30:16,997 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:17,523 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:19,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:19,716 INFO L93 Difference]: Finished difference Result 1177 states and 1533 transitions. [2020-07-17 11:30:19,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-17 11:30:19,716 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-07-17 11:30:19,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:19,721 INFO L225 Difference]: With dead ends: 1177 [2020-07-17 11:30:19,721 INFO L226 Difference]: Without dead ends: 830 [2020-07-17 11:30:19,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:30:19,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-07-17 11:30:19,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 685. [2020-07-17 11:30:19,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-07-17 11:30:19,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 803 transitions. [2020-07-17 11:30:19,862 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 803 transitions. Word has length 89 [2020-07-17 11:30:19,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:19,862 INFO L479 AbstractCegarLoop]: Abstraction has 685 states and 803 transitions. [2020-07-17 11:30:19,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:30:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 803 transitions. [2020-07-17 11:30:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:30:19,864 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:19,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:19,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 11:30:19,865 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:19,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:19,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1370895219, now seen corresponding path program 1 times [2020-07-17 11:30:19,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:19,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118411636] [2020-07-17 11:30:19,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,154 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:20,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118411636] [2020-07-17 11:30:20,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:20,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:30:20,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796256781] [2020-07-17 11:30:20,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:30:20,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:20,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:30:20,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:30:20,300 INFO L87 Difference]: Start difference. First operand 685 states and 803 transitions. Second operand 8 states. [2020-07-17 11:30:20,740 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:23,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:23,118 INFO L93 Difference]: Finished difference Result 1357 states and 1763 transitions. [2020-07-17 11:30:23,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-17 11:30:23,119 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-17 11:30:23,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:23,127 INFO L225 Difference]: With dead ends: 1357 [2020-07-17 11:30:23,127 INFO L226 Difference]: Without dead ends: 1354 [2020-07-17 11:30:23,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-17 11:30:23,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-07-17 11:30:23,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1127. [2020-07-17 11:30:23,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-07-17 11:30:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1336 transitions. [2020-07-17 11:30:23,304 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1336 transitions. Word has length 93 [2020-07-17 11:30:23,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:23,304 INFO L479 AbstractCegarLoop]: Abstraction has 1127 states and 1336 transitions. [2020-07-17 11:30:23,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:30:23,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1336 transitions. [2020-07-17 11:30:23,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 11:30:23,308 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:23,309 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, 1] [2020-07-17 11:30:23,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 11:30:23,309 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:23,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:23,310 INFO L82 PathProgramCache]: Analyzing trace with hash -669184687, now seen corresponding path program 1 times [2020-07-17 11:30:23,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:23,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355160905] [2020-07-17 11:30:23,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,612 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-17 11:30:24,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355160905] [2020-07-17 11:30:24,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [274876294] [2020-07-17 11:30:24,032 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 11:30:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:24,268 INFO L264 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-17 11:30:24,287 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:30:24,531 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-17 11:30:24,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:30:24,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-17 11:30:24,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776102549] [2020-07-17 11:30:24,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:30:24,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:24,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:30:24,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:30:24,534 INFO L87 Difference]: Start difference. First operand 1127 states and 1336 transitions. Second operand 8 states. [2020-07-17 11:30:25,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:25,300 INFO L93 Difference]: Finished difference Result 2035 states and 2394 transitions. [2020-07-17 11:30:25,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 11:30:25,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-17 11:30:25,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:25,307 INFO L225 Difference]: With dead ends: 2035 [2020-07-17 11:30:25,308 INFO L226 Difference]: Without dead ends: 936 [2020-07-17 11:30:25,311 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 189 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:30:25,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-07-17 11:30:25,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 936. [2020-07-17 11:30:25,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 936 states. [2020-07-17 11:30:25,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1063 transitions. [2020-07-17 11:30:25,508 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1063 transitions. Word has length 152 [2020-07-17 11:30:25,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:25,510 INFO L479 AbstractCegarLoop]: Abstraction has 936 states and 1063 transitions. [2020-07-17 11:30:25,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:30:25,510 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1063 transitions. [2020-07-17 11:30:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 11:30:25,513 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:25,514 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:25,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-17 11:30:25,730 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:25,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:25,730 INFO L82 PathProgramCache]: Analyzing trace with hash 906656976, now seen corresponding path program 1 times [2020-07-17 11:30:25,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:25,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173130862] [2020-07-17 11:30:25,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,032 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,232 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-17 11:30:26,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173130862] [2020-07-17 11:30:26,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237427500] [2020-07-17 11:30:26,234 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 11:30:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,489 INFO L264 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 11:30:26,495 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:30:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:26,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:30:26,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-17 11:30:26,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033890376] [2020-07-17 11:30:26,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:30:26,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:26,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:30:26,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:30:26,539 INFO L87 Difference]: Start difference. First operand 936 states and 1063 transitions. Second operand 3 states. [2020-07-17 11:30:26,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:26,805 INFO L93 Difference]: Finished difference Result 1566 states and 1807 transitions. [2020-07-17 11:30:26,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:30:26,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-17 11:30:26,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:26,807 INFO L225 Difference]: With dead ends: 1566 [2020-07-17 11:30:26,807 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:30:26,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:30:26,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:30:26,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:30:26,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:30:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:30:26,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-17 11:30:26,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:26,813 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:30:26,813 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:30:26,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:30:26,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:30:27,028 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-17 11:30:27,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:30:27,201 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 25 [2020-07-17 11:30:27,484 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 28 [2020-07-17 11:30:27,755 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-07-17 11:30:27,922 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 24 [2020-07-17 11:30:28,109 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 26 [2020-07-17 11:30:28,313 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 25 [2020-07-17 11:30:30,224 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 272 [2020-07-17 11:30:30,723 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 272 [2020-07-17 11:30:31,466 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 295 [2020-07-17 11:30:32,492 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 291 [2020-07-17 11:30:34,250 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 296 [2020-07-17 11:30:35,025 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 39 [2020-07-17 11:30:35,899 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 26 [2020-07-17 11:30:36,078 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-17 11:30:36,508 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-07-17 11:30:36,691 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-17 11:30:37,261 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 30 [2020-07-17 11:30:37,443 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-17 11:30:37,626 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-17 11:30:38,469 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-17 11:30:38,655 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 1 [2020-07-17 11:30:39,071 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2020-07-17 11:30:40,236 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 171 DAG size of output: 31 [2020-07-17 11:30:41,190 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 43 [2020-07-17 11:30:41,386 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:42,318 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 43 [2020-07-17 11:30:42,497 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-17 11:30:43,058 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2020-07-17 11:30:44,307 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 177 DAG size of output: 40 [2020-07-17 11:30:45,953 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 242 DAG size of output: 44 [2020-07-17 11:30:46,115 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-07-17 11:30:46,655 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-07-17 11:30:47,483 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 29 [2020-07-17 11:30:47,991 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 25 [2020-07-17 11:30:48,596 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 28 [2020-07-17 11:30:49,437 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-07-17 11:30:50,115 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-17 11:30:51,738 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 243 DAG size of output: 43 [2020-07-17 11:30:51,915 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-17 11:30:52,445 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-07-17 11:30:52,607 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-17 11:30:53,453 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-07-17 11:30:54,418 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 43 [2020-07-17 11:30:54,581 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-07-17 11:30:55,220 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-07-17 11:30:55,399 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-17 11:30:55,679 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 31 [2020-07-17 11:30:55,869 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 31 [2020-07-17 11:30:56,035 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-07-17 11:30:56,208 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-17 11:30:56,388 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2020-07-17 11:30:56,559 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-07-17 11:30:57,133 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-07-17 11:30:57,624 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-17 11:30:57,800 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-07-17 11:30:58,623 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 30 [2020-07-17 11:30:59,581 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 38 [2020-07-17 11:31:01,256 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 243 DAG size of output: 44 [2020-07-17 11:31:01,262 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-07-17 11:31:01,262 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2020-07-17 11:31:01,262 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-17 11:31:01,262 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 682) no Hoare annotation was computed. [2020-07-17 11:31:01,262 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 636 691) no Hoare annotation was computed. [2020-07-17 11:31:01,262 INFO L268 CegarLoopResult]: For program point L683(lines 660 684) no Hoare annotation was computed. [2020-07-17 11:31:01,263 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 636 691) no Hoare annotation was computed. [2020-07-17 11:31:01,263 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 636 691) no Hoare annotation was computed. [2020-07-17 11:31:01,263 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-07-17 11:31:01,263 INFO L268 CegarLoopResult]: For program point L737-1(line 737) no Hoare annotation was computed. [2020-07-17 11:31:01,263 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 692 751) no Hoare annotation was computed. [2020-07-17 11:31:01,263 INFO L268 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2020-07-17 11:31:01,263 INFO L268 CegarLoopResult]: For program point L724-1(lines 724 728) no Hoare annotation was computed. [2020-07-17 11:31:01,263 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-17 11:31:01,264 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 692 751) no Hoare annotation was computed. [2020-07-17 11:31:01,264 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 743) no Hoare annotation was computed. [2020-07-17 11:31:01,264 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 692 751) no Hoare annotation was computed. [2020-07-17 11:31:01,264 INFO L268 CegarLoopResult]: For program point L744(lines 717 745) no Hoare annotation was computed. [2020-07-17 11:31:01,264 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2020-07-17 11:31:01,264 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2020-07-17 11:31:01,264 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-17 11:31:01,265 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2020-07-17 11:31:01,265 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-17 11:31:01,265 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,265 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,266 INFO L264 CegarLoopResult]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 1 main_~tmp~5) (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,266 INFO L268 CegarLoopResult]: For program point L475(lines 475 482) no Hoare annotation was computed. [2020-07-17 11:31:01,266 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2020-07-17 11:31:01,266 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-17 11:31:01,266 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2020-07-17 11:31:01,266 INFO L264 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,267 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,267 INFO L264 CegarLoopResult]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,267 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2020-07-17 11:31:01,267 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 423 446) no Hoare annotation was computed. [2020-07-17 11:31:01,267 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 423 446) no Hoare annotation was computed. [2020-07-17 11:31:01,267 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 423 446) no Hoare annotation was computed. [2020-07-17 11:31:01,268 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-17 11:31:01,268 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-17 11:31:01,268 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-17 11:31:01,268 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-17 11:31:01,268 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-17 11:31:01,268 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-17 11:31:01,268 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-07-17 11:31:01,268 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-17 11:31:01,268 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-17 11:31:01,269 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-07-17 11:31:01,269 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-17 11:31:01,269 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-17 11:31:01,269 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-17 11:31:01,269 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-17 11:31:01,269 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2020-07-17 11:31:01,269 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2020-07-17 11:31:01,269 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2020-07-17 11:31:01,269 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-07-17 11:31:01,269 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-17 11:31:01,270 INFO L268 CegarLoopResult]: For program point L277(lines 277 285) no Hoare annotation was computed. [2020-07-17 11:31:01,270 INFO L268 CegarLoopResult]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2020-07-17 11:31:01,270 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 258 293) no Hoare annotation was computed. [2020-07-17 11:31:01,270 INFO L268 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-07-17 11:31:01,270 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-07-17 11:31:01,270 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 258 293) no Hoare annotation was computed. [2020-07-17 11:31:01,270 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 258 293) no Hoare annotation was computed. [2020-07-17 11:31:01,270 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2020-07-17 11:31:01,270 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2020-07-17 11:31:01,271 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 590 635) no Hoare annotation was computed. [2020-07-17 11:31:01,271 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 590 635) no Hoare annotation was computed. [2020-07-17 11:31:01,271 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 590 635) no Hoare annotation was computed. [2020-07-17 11:31:01,271 INFO L268 CegarLoopResult]: For program point L923(lines 923 930) no Hoare annotation was computed. [2020-07-17 11:31:01,271 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 903 948) no Hoare annotation was computed. [2020-07-17 11:31:01,271 INFO L268 CegarLoopResult]: For program point L917(lines 917 937) no Hoare annotation was computed. [2020-07-17 11:31:01,271 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 937) no Hoare annotation was computed. [2020-07-17 11:31:01,271 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 903 948) no Hoare annotation was computed. [2020-07-17 11:31:01,272 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 903 948) no Hoare annotation was computed. [2020-07-17 11:31:01,272 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,272 INFO L264 CegarLoopResult]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,272 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2020-07-17 11:31:01,272 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2020-07-17 11:31:01,272 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2020-07-17 11:31:01,272 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2020-07-17 11:31:01,273 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2020-07-17 11:31:01,273 INFO L271 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: true [2020-07-17 11:31:01,273 INFO L268 CegarLoopResult]: For program point L243-1(line 243) no Hoare annotation was computed. [2020-07-17 11:31:01,273 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse1 .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-17 11:31:01,273 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2020-07-17 11:31:01,273 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2020-07-17 11:31:01,273 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-07-17 11:31:01,273 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2020-07-17 11:31:01,274 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2020-07-17 11:31:01,274 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2020-07-17 11:31:01,274 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse4) (or .cse6 .cse2 .cse4))) [2020-07-17 11:31:01,274 INFO L268 CegarLoopResult]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2020-07-17 11:31:01,274 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2020-07-17 11:31:01,274 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse7 .cse6 .cse2 .cse4))) [2020-07-17 11:31:01,274 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-17 11:31:01,275 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-17 11:31:01,275 INFO L268 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-07-17 11:31:01,275 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse5 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3))) [2020-07-17 11:31:01,275 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-07-17 11:31:01,275 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-17 11:31:01,275 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2020-07-17 11:31:01,275 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2020-07-17 11:31:01,276 INFO L264 CegarLoopResult]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,276 INFO L264 CegarLoopResult]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6 .cse2) (and (<= 2 ~waterLevel~0) .cse1 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:01,276 INFO L264 CegarLoopResult]: At program point L347(line 347) the Hoare annotation is: (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse6 .cse2) (and (<= 2 ~waterLevel~0) .cse1 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse6 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:01,276 INFO L268 CegarLoopResult]: For program point L345(lines 345 351) no Hoare annotation was computed. [2020-07-17 11:31:01,276 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2020-07-17 11:31:01,276 INFO L268 CegarLoopResult]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2020-07-17 11:31:01,276 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-07-17 11:31:01,277 INFO L264 CegarLoopResult]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:01,277 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-07-17 11:31:01,277 INFO L264 CegarLoopResult]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse5 .cse7 .cse1 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse4 .cse6) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:01,277 INFO L268 CegarLoopResult]: For program point L336(lines 335 382) no Hoare annotation was computed. [2020-07-17 11:31:01,277 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse5 .cse7 .cse1 .cse4 .cse6) (and .cse0 .cse7 .cse1 .cse4 .cse6) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:01,277 INFO L268 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2020-07-17 11:31:01,278 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse3) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse5 .cse6 .cse0 .cse3 .cse4) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:01,278 INFO L268 CegarLoopResult]: For program point L355(lines 355 361) no Hoare annotation was computed. [2020-07-17 11:31:01,278 INFO L268 CegarLoopResult]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2020-07-17 11:31:01,278 INFO L268 CegarLoopResult]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2020-07-17 11:31:01,278 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 857 902) no Hoare annotation was computed. [2020-07-17 11:31:01,278 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 857 902) no Hoare annotation was computed. [2020-07-17 11:31:01,278 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 857 902) no Hoare annotation was computed. [2020-07-17 11:31:01,278 INFO L268 CegarLoopResult]: For program point L877(lines 877 884) no Hoare annotation was computed. [2020-07-17 11:31:01,279 INFO L268 CegarLoopResult]: For program point L871(lines 871 891) no Hoare annotation was computed. [2020-07-17 11:31:01,279 INFO L268 CegarLoopResult]: For program point L871-1(lines 871 891) no Hoare annotation was computed. [2020-07-17 11:31:01,279 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-07-17 11:31:01,279 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-17 11:31:01,279 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse4 .cse2))) [2020-07-17 11:31:01,279 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-17 11:31:01,279 INFO L268 CegarLoopResult]: For program point L72(lines 72 82) no Hoare annotation was computed. [2020-07-17 11:31:01,280 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse2) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse3 .cse2) (or .cse4 .cse1 .cse2) (or .cse4 .cse3 .cse2))) [2020-07-17 11:31:01,280 INFO L268 CegarLoopResult]: For program point L70-1(line 70) no Hoare annotation was computed. [2020-07-17 11:31:01,280 INFO L268 CegarLoopResult]: For program point L68(lines 68 85) no Hoare annotation was computed. [2020-07-17 11:31:01,280 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2020-07-17 11:31:01,280 INFO L268 CegarLoopResult]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2020-07-17 11:31:01,280 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (= 0 ~methAndRunningLastTime~0) .cse0 (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) .cse5 .cse3) (or .cse4 .cse5 .cse2 .cse3))) [2020-07-17 11:31:01,280 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:01,281 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2020-07-17 11:31:01,281 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2020-07-17 11:31:01,281 INFO L268 CegarLoopResult]: For program point L545(lines 545 553) no Hoare annotation was computed. [2020-07-17 11:31:01,281 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 553) no Hoare annotation was computed. [2020-07-17 11:31:01,281 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2020-07-17 11:31:01,281 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2020-07-17 11:31:01,281 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 537 559) no Hoare annotation was computed. [2020-07-17 11:31:01,281 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 94 103) no Hoare annotation was computed. [2020-07-17 11:31:01,281 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 94 103) no Hoare annotation was computed. [2020-07-17 11:31:01,282 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 94 103) no Hoare annotation was computed. [2020-07-17 11:31:01,282 INFO L268 CegarLoopResult]: For program point L803-2(lines 803 823) no Hoare annotation was computed. [2020-07-17 11:31:01,282 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 754 856) no Hoare annotation was computed. [2020-07-17 11:31:01,282 INFO L268 CegarLoopResult]: For program point L824(lines 802 825) no Hoare annotation was computed. [2020-07-17 11:31:01,282 INFO L268 CegarLoopResult]: For program point L783(lines 783 799) no Hoare annotation was computed. [2020-07-17 11:31:01,282 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-07-17 11:31:01,282 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 754 856) no Hoare annotation was computed. [2020-07-17 11:31:01,282 INFO L268 CegarLoopResult]: For program point L804(lines 803 823) no Hoare annotation was computed. [2020-07-17 11:31:01,282 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-17 11:31:01,283 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-17 11:31:01,283 INFO L268 CegarLoopResult]: For program point L800(lines 800 841) no Hoare annotation was computed. [2020-07-17 11:31:01,283 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-17 11:31:01,283 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-17 11:31:01,283 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 754 856) no Hoare annotation was computed. [2020-07-17 11:31:01,283 INFO L268 CegarLoopResult]: For program point L778(lines 778 782) no Hoare annotation was computed. [2020-07-17 11:31:01,283 INFO L268 CegarLoopResult]: For program point L842(lines 842 853) no Hoare annotation was computed. [2020-07-17 11:31:01,283 INFO L268 CegarLoopResult]: For program point L805(lines 805 809) no Hoare annotation was computed. [2020-07-17 11:31:01,283 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:31:01,284 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string29.base| |old(#t~string29.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~string70.base| |old(#t~string70.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:31:01,284 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:31:01,284 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2020-07-17 11:31:01,284 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2020-07-17 11:31:01,284 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4))) [2020-07-17 11:31:01,284 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2020-07-17 11:31:01,284 INFO L268 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-07-17 11:31:01,285 INFO L271 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: true [2020-07-17 11:31:01,285 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2020-07-17 11:31:01,285 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-07-17 11:31:01,285 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2020-07-17 11:31:01,285 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2020-07-17 11:31:01,285 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2020-07-17 11:31:01,285 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 560 568) no Hoare annotation was computed. [2020-07-17 11:31:01,285 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2020-07-17 11:31:01,286 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse3) (or .cse4 .cse0 .cse6 .cse2 .cse3))) [2020-07-17 11:31:01,286 INFO L268 CegarLoopResult]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2020-07-17 11:31:01,286 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2020-07-17 11:31:01,286 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:31:01,286 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:31:01,286 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:31:01,286 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2020-07-17 11:31:01,286 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2020-07-17 11:31:01,286 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2020-07-17 11:31:01,287 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse5 .cse0 .cse1 .cse7 .cse4))) [2020-07-17 11:31:01,287 INFO L264 CegarLoopResult]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= 0 ~pumpRunning~0)) (.cse13 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse13)) (.cse4 (and .cse11 .cse13)) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and (<= 2 ~waterLevel~0) .cse12 .cse13 (<= 1 ~pumpRunning~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and (= 0 ~methAndRunningLastTime~0) .cse11 .cse12)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse4 .cse7 .cse5) (or .cse6 .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse4 .cse7 .cse5) (or .cse6 .cse8 .cse9 .cse2 .cse10 .cse5) (or .cse8 .cse9 .cse2 .cse3 .cse10 .cse5)))) [2020-07-17 11:31:01,287 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse9 .cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (= 0 ~methAndRunningLastTime~0) .cse9 .cse10)) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse4) (or .cse0 .cse8 .cse3 .cse4) (or .cse8 .cse3 .cse5 .cse4) (or .cse0 .cse1 .cse6 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4)))) [2020-07-17 11:31:01,287 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse10 (= 0 ~pumpRunning~0) .cse12)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse11 .cse12 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse10 .cse11 .cse12)) (.cse2 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse4) (or .cse5 .cse7 .cse8 .cse9 .cse4) (or .cse1 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse8 .cse9 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4)))) [2020-07-17 11:31:01,288 INFO L268 CegarLoopResult]: For program point L143(lines 142 161) no Hoare annotation was computed. [2020-07-17 11:31:01,288 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2020-07-17 11:31:01,288 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2020-07-17 11:31:01,288 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2020-07-17 11:31:01,288 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-07-17 11:31:01,288 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2020-07-17 11:31:01,288 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-17 11:31:01,288 INFO L271 CegarLoopResult]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2020-07-17 11:31:01,288 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-17 11:31:01,289 INFO L271 CegarLoopResult]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2020-07-17 11:31:01,289 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true [2020-07-17 11:31:01,289 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-07-17 11:31:01,289 INFO L271 CegarLoopResult]: At program point L418(lines 393 422) the Hoare annotation is: true [2020-07-17 11:31:01,289 INFO L268 CegarLoopResult]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2020-07-17 11:31:01,289 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse6 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse6 .cse4))) [2020-07-17 11:31:01,289 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2020-07-17 11:31:01,289 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2020-07-17 11:31:01,290 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2020-07-17 11:31:01,290 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:31:01,290 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:31:01,290 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:31:01,290 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:31:01,290 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2020-07-17 11:31:01,290 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (= |old(~systemActive~0)| ~systemActive~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 |old(~systemActive~0)|))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse2 .cse5 .cse3 .cse7 .cse4) (or .cse0 .cse2 .cse5 .cse3 .cse4))) [2020-07-17 11:31:01,291 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2020-07-17 11:31:01,291 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-17 11:31:01,291 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-17 11:31:01,291 INFO L268 CegarLoopResult]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2020-07-17 11:31:01,291 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2020-07-17 11:31:01,291 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse0 .cse1) (or .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse1))) [2020-07-17 11:31:01,291 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-07-17 11:31:01,292 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-07-17 11:31:01,292 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2020-07-17 11:31:01,292 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-07-17 11:31:01,292 INFO L268 CegarLoopResult]: For program point L175(lines 175 192) no Hoare annotation was computed. [2020-07-17 11:31:01,292 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2020-07-17 11:31:01,292 INFO L268 CegarLoopResult]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2020-07-17 11:31:01,292 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse4) (or .cse5 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2020-07-17 11:31:01,292 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-17 11:31:01,293 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-17 11:31:01,293 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-17 11:31:01,293 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-17 11:31:01,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:31:01 BoogieIcfgContainer [2020-07-17 11:31:01,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:31:01,312 INFO L168 Benchmark]: Toolchain (without parser) took 71964.50 ms. Allocated memory was 137.9 MB in the beginning and 968.4 MB in the end (delta: 830.5 MB). Free memory was 100.0 MB in the beginning and 540.7 MB in the end (delta: -440.7 MB). Peak memory consumption was 841.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:01,313 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 11:31:01,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.79 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 171.4 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:01,314 INFO L168 Benchmark]: Boogie Preprocessor took 84.69 ms. Allocated memory is still 202.4 MB. Free memory was 171.4 MB in the beginning and 166.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:01,315 INFO L168 Benchmark]: RCFGBuilder took 1069.29 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 197.1 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:01,315 INFO L168 Benchmark]: TraceAbstraction took 70158.25 ms. Allocated memory was 234.9 MB in the beginning and 968.4 MB in the end (delta: 733.5 MB). Free memory was 197.1 MB in the beginning and 540.7 MB in the end (delta: -343.6 MB). Peak memory consumption was 841.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:01,318 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 137.9 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.79 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.6 MB in the beginning and 171.4 MB in the end (delta: -71.8 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.69 ms. Allocated memory is still 202.4 MB. Free memory was 171.4 MB in the beginning and 166.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1069.29 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 197.1 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 70158.25 ms. Allocated memory was 234.9 MB in the beginning and 968.4 MB in the end (delta: 733.5 MB). Free memory was 197.1 MB in the beginning and 540.7 MB in the end (delta: -343.6 MB). Peak memory consumption was 841.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((((((0 == methaneLevelCritical && 0 == splverifierCounter) && \old(methAndRunningLastTime) == methAndRunningLastTime) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && 1 == systemActive)) || ((((2 <= waterLevel && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == methAndRunningLastTime && 0 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == pumpRunning) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.8s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 27.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 34.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1582 SDtfs, 3191 SDslu, 2421 SDs, 0 SdLazy, 6103 SolverSat, 2346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 866 GetRequests, 669 SyntacticMatches, 4 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 763 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1127occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 933 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1895 PreInvPairs, 2000 NumberOfFragments, 3091 HoareAnnotationTreeSize, 1895 FomulaSimplifications, 417099498 FormulaSimplificationTreeSizeReduction, 7.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 17882106 FormulaSimplificationTreeSizeReductionInter, 26.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 465508 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1854 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 184/194 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...