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_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:35:19,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:35:19,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:35:19,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:35:19,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:35:19,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:35:19,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:35:19,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:35:19,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:35:19,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:35:19,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:35:19,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:35:19,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:35:19,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:35:19,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:35:19,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:35:19,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:35:19,157 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:35:19,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:35:19,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:35:19,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:35:19,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:35:19,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:35:19,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:35:19,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:35:19,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:35:19,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:35:19,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:35:19,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:35:19,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:35:19,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:35:19,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:35:19,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:35:19,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:35:19,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:35:19,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:35:19,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:35:19,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:35:19,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:35:19,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:35:19,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:35:19,182 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 [2019-09-16 16:35:19,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:35:19,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:35:19,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:35:19,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:35:19,214 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:35:19,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:35:19,215 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:35:19,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:35:19,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:35:19,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:35:19,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:35:19,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:35:19,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:35:19,217 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:35:19,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:35:19,218 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:35:19,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:35:19,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:35:19,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:35:19,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:35:19,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:35:19,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:35:19,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:35:19,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:35:19,220 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:35:19,220 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:35:19,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:35:19,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:35:19,221 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:35:19,270 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:35:19,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:35:19,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:35:19,294 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:35:19,295 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:35:19,295 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2019-09-16 16:35:19,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaba0561e/a6d93842bac54c409305b936a294b472/FLAG176336780 [2019-09-16 16:35:19,913 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:35:19,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product52.cil.c [2019-09-16 16:35:19,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaba0561e/a6d93842bac54c409305b936a294b472/FLAG176336780 [2019-09-16 16:35:20,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaba0561e/a6d93842bac54c409305b936a294b472 [2019-09-16 16:35:20,231 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:35:20,232 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:35:20,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:35:20,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:35:20,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:35:20,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:35:20" (1/1) ... [2019-09-16 16:35:20,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31108fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20, skipping insertion in model container [2019-09-16 16:35:20,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:35:20" (1/1) ... [2019-09-16 16:35:20,249 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:35:20,309 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:35:20,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:35:20,830 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:35:20,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:35:20,964 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:35:20,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20 WrapperNode [2019-09-16 16:35:20,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:35:20,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:35:20,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:35:20,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:35:20,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20" (1/1) ... [2019-09-16 16:35:20,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20" (1/1) ... [2019-09-16 16:35:20,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20" (1/1) ... [2019-09-16 16:35:20,995 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20" (1/1) ... [2019-09-16 16:35:21,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20" (1/1) ... [2019-09-16 16:35:21,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20" (1/1) ... [2019-09-16 16:35:21,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20" (1/1) ... [2019-09-16 16:35:21,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:35:21,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:35:21,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:35:21,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:35:21,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:35:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:35:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:35:21,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:35:21,128 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:35:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:35:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:35:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:35:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:35:21,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:35:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:35:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:35:21,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:35:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:35:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:35:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:35:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 16:35:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 16:35:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:35:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:35:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:35:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:35:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:35:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 16:35:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 16:35:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:35:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:35:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:35:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:35:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:35:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:35:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:35:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:35:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:35:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:35:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:35:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:35:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:35:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:35:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:35:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:35:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:35:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:35:21,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:35:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:35:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:35:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:35:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:35:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:35:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 16:35:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 16:35:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:35:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:35:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:35:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:35:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:35:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:35:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:35:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:35:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:35:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:35:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:35:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:35:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 16:35:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:35:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:35:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:35:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:35:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:35:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:35:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:35:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:35:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:35:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 16:35:21,148 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:35:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:35:21,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:35:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:35:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:35:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:35:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:35:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:35:21,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:35:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:35:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:35:21,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:35:21,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:35:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:35:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:35:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:35:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:35:21,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:35:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:35:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:35:21,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:35:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:35:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:35:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:35:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:35:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:35:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:35:22,371 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:35:22,371 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:35:22,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:35:22 BoogieIcfgContainer [2019-09-16 16:35:22,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:35:22,375 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:35:22,375 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:35:22,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:35:22,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:35:20" (1/3) ... [2019-09-16 16:35:22,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bb3556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:35:22, skipping insertion in model container [2019-09-16 16:35:22,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:35:20" (2/3) ... [2019-09-16 16:35:22,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bb3556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:35:22, skipping insertion in model container [2019-09-16 16:35:22,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:35:22" (3/3) ... [2019-09-16 16:35:22,383 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2019-09-16 16:35:22,393 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:35:22,403 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:35:22,419 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:35:22,458 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:35:22,459 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:35:22,459 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:35:22,459 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:35:22,460 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:35:22,460 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:35:22,460 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:35:22,460 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:35:22,462 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:35:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-09-16 16:35:22,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 16:35:22,498 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:22,499 INFO L407 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] [2019-09-16 16:35:22,501 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:22,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:22,507 INFO L82 PathProgramCache]: Analyzing trace with hash 422856307, now seen corresponding path program 1 times [2019-09-16 16:35:22,509 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:22,510 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:22,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:22,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:22,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:22,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:22,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:22,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:35:22,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:35:22,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:35:22,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:35:22,868 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-09-16 16:35:22,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:22,926 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2019-09-16 16:35:22,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:35:22,928 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-16 16:35:22,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:22,941 INFO L225 Difference]: With dead ends: 282 [2019-09-16 16:35:22,941 INFO L226 Difference]: Without dead ends: 143 [2019-09-16 16:35:22,946 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:35:22,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-09-16 16:35:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-09-16 16:35:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-09-16 16:35:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2019-09-16 16:35:23,005 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 51 [2019-09-16 16:35:23,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:23,006 INFO L475 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2019-09-16 16:35:23,006 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:35:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2019-09-16 16:35:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 16:35:23,011 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:23,011 INFO L407 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] [2019-09-16 16:35:23,011 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:23,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:23,012 INFO L82 PathProgramCache]: Analyzing trace with hash 83135735, now seen corresponding path program 1 times [2019-09-16 16:35:23,012 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:23,012 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:23,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:23,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:23,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:23,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:23,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:23,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:35:23,197 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:35:23,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:35:23,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:23,199 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2019-09-16 16:35:23,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:23,233 INFO L93 Difference]: Finished difference Result 221 states and 259 transitions. [2019-09-16 16:35:23,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:35:23,240 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-16 16:35:23,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:23,242 INFO L225 Difference]: With dead ends: 221 [2019-09-16 16:35:23,242 INFO L226 Difference]: Without dead ends: 134 [2019-09-16 16:35:23,247 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:23,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-16 16:35:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-16 16:35:23,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-16 16:35:23,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2019-09-16 16:35:23,267 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 52 [2019-09-16 16:35:23,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:23,268 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2019-09-16 16:35:23,268 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:35:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2019-09-16 16:35:23,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-16 16:35:23,271 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:23,271 INFO L407 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] [2019-09-16 16:35:23,271 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:23,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:23,272 INFO L82 PathProgramCache]: Analyzing trace with hash 522733086, now seen corresponding path program 1 times [2019-09-16 16:35:23,272 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:23,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:23,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:23,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:23,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:23,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:23,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:35:23,450 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:23,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:23,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:23,451 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 7 states. [2019-09-16 16:35:24,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:24,044 INFO L93 Difference]: Finished difference Result 397 states and 482 transitions. [2019-09-16 16:35:24,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:35:24,045 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-16 16:35:24,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:24,053 INFO L225 Difference]: With dead ends: 397 [2019-09-16 16:35:24,053 INFO L226 Difference]: Without dead ends: 291 [2019-09-16 16:35:24,057 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:35:24,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2019-09-16 16:35:24,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 279. [2019-09-16 16:35:24,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2019-09-16 16:35:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 338 transitions. [2019-09-16 16:35:24,117 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 338 transitions. Word has length 57 [2019-09-16 16:35:24,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:24,118 INFO L475 AbstractCegarLoop]: Abstraction has 279 states and 338 transitions. [2019-09-16 16:35:24,118 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 338 transitions. [2019-09-16 16:35:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-16 16:35:24,125 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:24,125 INFO L407 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] [2019-09-16 16:35:24,125 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:24,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:24,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1095308141, now seen corresponding path program 1 times [2019-09-16 16:35:24,126 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:24,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:24,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:24,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:24,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:24,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:24,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:35:24,291 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:35:24,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:35:24,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:35:24,291 INFO L87 Difference]: Start difference. First operand 279 states and 338 transitions. Second operand 6 states. [2019-09-16 16:35:24,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:24,551 INFO L93 Difference]: Finished difference Result 763 states and 948 transitions. [2019-09-16 16:35:24,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:24,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-09-16 16:35:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:24,562 INFO L225 Difference]: With dead ends: 763 [2019-09-16 16:35:24,563 INFO L226 Difference]: Without dead ends: 512 [2019-09-16 16:35:24,565 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:35:24,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2019-09-16 16:35:24,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2019-09-16 16:35:24,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2019-09-16 16:35:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 616 transitions. [2019-09-16 16:35:24,643 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 616 transitions. Word has length 62 [2019-09-16 16:35:24,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:24,649 INFO L475 AbstractCegarLoop]: Abstraction has 506 states and 616 transitions. [2019-09-16 16:35:24,649 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:35:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 616 transitions. [2019-09-16 16:35:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-16 16:35:24,661 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:24,661 INFO L407 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] [2019-09-16 16:35:24,662 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:24,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:24,662 INFO L82 PathProgramCache]: Analyzing trace with hash -656052983, now seen corresponding path program 1 times [2019-09-16 16:35:24,662 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:24,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:24,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:24,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:24,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:24,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:24,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:35:24,852 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:24,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:24,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:24,852 INFO L87 Difference]: Start difference. First operand 506 states and 616 transitions. Second operand 7 states. [2019-09-16 16:35:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:25,684 INFO L93 Difference]: Finished difference Result 1311 states and 1718 transitions. [2019-09-16 16:35:25,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 16:35:25,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-09-16 16:35:25,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:25,689 INFO L225 Difference]: With dead ends: 1311 [2019-09-16 16:35:25,689 INFO L226 Difference]: Without dead ends: 833 [2019-09-16 16:35:25,691 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:35:25,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2019-09-16 16:35:25,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 735. [2019-09-16 16:35:25,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-09-16 16:35:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2019-09-16 16:35:25,752 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 66 [2019-09-16 16:35:25,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:25,753 INFO L475 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2019-09-16 16:35:25,753 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:25,753 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2019-09-16 16:35:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-16 16:35:25,756 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:25,756 INFO L407 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] [2019-09-16 16:35:25,756 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:25,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:25,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1934115710, now seen corresponding path program 1 times [2019-09-16 16:35:25,757 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:25,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:25,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:25,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:25,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:25,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:25,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:35:25,832 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:35:25,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:35:25,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:35:25,832 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 6 states. [2019-09-16 16:35:25,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:25,896 INFO L93 Difference]: Finished difference Result 1462 states and 1804 transitions. [2019-09-16 16:35:25,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:35:25,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-09-16 16:35:25,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:25,901 INFO L225 Difference]: With dead ends: 1462 [2019-09-16 16:35:25,902 INFO L226 Difference]: Without dead ends: 755 [2019-09-16 16:35:25,904 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:25,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2019-09-16 16:35:25,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2019-09-16 16:35:25,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2019-09-16 16:35:25,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 911 transitions. [2019-09-16 16:35:25,953 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 911 transitions. Word has length 89 [2019-09-16 16:35:25,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:25,953 INFO L475 AbstractCegarLoop]: Abstraction has 755 states and 911 transitions. [2019-09-16 16:35:25,953 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:35:25,953 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 911 transitions. [2019-09-16 16:35:25,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-16 16:35:25,956 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:25,956 INFO L407 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] [2019-09-16 16:35:25,956 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:25,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:25,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1232515836, now seen corresponding path program 1 times [2019-09-16 16:35:25,957 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:25,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:25,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:25,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:25,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:26,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:26,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:26,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 16:35:26,045 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:35:26,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:35:26,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:26,046 INFO L87 Difference]: Start difference. First operand 755 states and 911 transitions. Second operand 8 states. [2019-09-16 16:35:26,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:26,105 INFO L93 Difference]: Finished difference Result 1510 states and 1882 transitions. [2019-09-16 16:35:26,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:26,106 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2019-09-16 16:35:26,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:26,111 INFO L225 Difference]: With dead ends: 1510 [2019-09-16 16:35:26,112 INFO L226 Difference]: Without dead ends: 783 [2019-09-16 16:35:26,115 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:26,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-09-16 16:35:26,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 771. [2019-09-16 16:35:26,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-09-16 16:35:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 927 transitions. [2019-09-16 16:35:26,190 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 927 transitions. Word has length 89 [2019-09-16 16:35:26,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:26,190 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 927 transitions. [2019-09-16 16:35:26,190 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:35:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 927 transitions. [2019-09-16 16:35:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-16 16:35:26,193 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:26,193 INFO L407 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] [2019-09-16 16:35:26,194 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:26,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:26,194 INFO L82 PathProgramCache]: Analyzing trace with hash 492965061, now seen corresponding path program 1 times [2019-09-16 16:35:26,194 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:26,194 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:26,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:26,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:26,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:26,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:26,317 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:26,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:35:26,319 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:35:26,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:35:26,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:35:26,320 INFO L87 Difference]: Start difference. First operand 771 states and 927 transitions. Second operand 4 states. [2019-09-16 16:35:26,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:26,717 INFO L93 Difference]: Finished difference Result 2501 states and 3154 transitions. [2019-09-16 16:35:26,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:35:26,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2019-09-16 16:35:26,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:26,737 INFO L225 Difference]: With dead ends: 2501 [2019-09-16 16:35:26,738 INFO L226 Difference]: Without dead ends: 1758 [2019-09-16 16:35:26,743 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:35:26,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2019-09-16 16:35:26,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1727. [2019-09-16 16:35:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1727 states. [2019-09-16 16:35:26,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2127 transitions. [2019-09-16 16:35:26,922 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2127 transitions. Word has length 89 [2019-09-16 16:35:26,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:26,923 INFO L475 AbstractCegarLoop]: Abstraction has 1727 states and 2127 transitions. [2019-09-16 16:35:26,923 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:35:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2127 transitions. [2019-09-16 16:35:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-09-16 16:35:26,928 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:26,928 INFO L407 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] [2019-09-16 16:35:26,929 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:26,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:26,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1931984341, now seen corresponding path program 1 times [2019-09-16 16:35:26,929 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:26,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:26,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:26,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:26,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:27,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:27,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:27,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:35:27,027 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:35:27,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:35:27,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:27,028 INFO L87 Difference]: Start difference. First operand 1727 states and 2127 transitions. Second operand 3 states. [2019-09-16 16:35:27,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:27,163 INFO L93 Difference]: Finished difference Result 2742 states and 3481 transitions. [2019-09-16 16:35:27,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:35:27,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2019-09-16 16:35:27,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:27,184 INFO L225 Difference]: With dead ends: 2742 [2019-09-16 16:35:27,185 INFO L226 Difference]: Without dead ends: 2739 [2019-09-16 16:35:27,187 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:27,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2739 states. [2019-09-16 16:35:27,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2739 to 2553. [2019-09-16 16:35:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2019-09-16 16:35:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 3253 transitions. [2019-09-16 16:35:27,427 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 3253 transitions. Word has length 93 [2019-09-16 16:35:27,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:27,428 INFO L475 AbstractCegarLoop]: Abstraction has 2553 states and 3253 transitions. [2019-09-16 16:35:27,428 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:35:27,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 3253 transitions. [2019-09-16 16:35:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-16 16:35:27,440 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:27,441 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:27,441 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:27,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:27,442 INFO L82 PathProgramCache]: Analyzing trace with hash 577943478, now seen corresponding path program 1 times [2019-09-16 16:35:27,442 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:27,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:27,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:27,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:27,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:27,543 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-16 16:35:27,544 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:27,544 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:35:27,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:27,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-16 16:35:27,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:27,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:27,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2019-09-16 16:35:27,881 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:35:27,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:35:27,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:35:27,881 INFO L87 Difference]: Start difference. First operand 2553 states and 3253 transitions. Second operand 7 states. [2019-09-16 16:35:29,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:29,171 INFO L93 Difference]: Finished difference Result 6106 states and 8401 transitions. [2019-09-16 16:35:29,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:35:29,172 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 154 [2019-09-16 16:35:29,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:29,213 INFO L225 Difference]: With dead ends: 6106 [2019-09-16 16:35:29,214 INFO L226 Difference]: Without dead ends: 3905 [2019-09-16 16:35:29,230 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:35:29,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3905 states. [2019-09-16 16:35:29,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3905 to 3385. [2019-09-16 16:35:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3385 states. [2019-09-16 16:35:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 3385 states and 4320 transitions. [2019-09-16 16:35:29,552 INFO L78 Accepts]: Start accepts. Automaton has 3385 states and 4320 transitions. Word has length 154 [2019-09-16 16:35:29,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:29,553 INFO L475 AbstractCegarLoop]: Abstraction has 3385 states and 4320 transitions. [2019-09-16 16:35:29,553 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:35:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3385 states and 4320 transitions. [2019-09-16 16:35:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-16 16:35:29,564 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:29,564 INFO L407 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] [2019-09-16 16:35:29,565 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:29,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:29,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1583388007, now seen corresponding path program 1 times [2019-09-16 16:35:29,566 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:29,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:29,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:29,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:29,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-16 16:35:29,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:29,761 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:35:29,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:30,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-16 16:35:30,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Stream closed [2019-09-16 16:35:30,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:30,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-09-16 16:35:30,145 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:35:30,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:35:30,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:30,146 INFO L87 Difference]: Start difference. First operand 3385 states and 4320 transitions. Second operand 8 states. [2019-09-16 16:35:30,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:30,580 INFO L93 Difference]: Finished difference Result 6029 states and 7871 transitions. [2019-09-16 16:35:30,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:35:30,580 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2019-09-16 16:35:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:30,601 INFO L225 Difference]: With dead ends: 6029 [2019-09-16 16:35:30,602 INFO L226 Difference]: Without dead ends: 3008 [2019-09-16 16:35:30,615 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:35:30,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3008 states. [2019-09-16 16:35:30,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3008 to 2730. [2019-09-16 16:35:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2730 states. [2019-09-16 16:35:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2730 states to 2730 states and 3247 transitions. [2019-09-16 16:35:30,819 INFO L78 Accepts]: Start accepts. Automaton has 2730 states and 3247 transitions. Word has length 152 [2019-09-16 16:35:30,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:30,822 INFO L475 AbstractCegarLoop]: Abstraction has 2730 states and 3247 transitions. [2019-09-16 16:35:30,822 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:35:30,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3247 transitions. [2019-09-16 16:35:30,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-16 16:35:30,836 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:30,836 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:30,836 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:30,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:30,837 INFO L82 PathProgramCache]: Analyzing trace with hash 931031860, now seen corresponding path program 1 times [2019-09-16 16:35:30,837 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:30,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:30,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:30,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:30,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-16 16:35:31,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:35:31,257 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:35:31,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:31,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-16 16:35:31,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:35:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:35:31,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:35:31,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 15 [2019-09-16 16:35:31,769 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-16 16:35:31,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-16 16:35:31,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2019-09-16 16:35:31,770 INFO L87 Difference]: Start difference. First operand 2730 states and 3247 transitions. Second operand 15 states. [2019-09-16 16:35:34,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:34,854 INFO L93 Difference]: Finished difference Result 7327 states and 9573 transitions. [2019-09-16 16:35:34,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-09-16 16:35:34,854 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 154 [2019-09-16 16:35:34,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:34,891 INFO L225 Difference]: With dead ends: 7327 [2019-09-16 16:35:34,891 INFO L226 Difference]: Without dead ends: 4961 [2019-09-16 16:35:34,912 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=227, Invalid=963, Unknown=0, NotChecked=0, Total=1190 [2019-09-16 16:35:34,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4961 states. [2019-09-16 16:35:35,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4961 to 3912. [2019-09-16 16:35:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3912 states. [2019-09-16 16:35:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 4502 transitions. [2019-09-16 16:35:35,244 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 4502 transitions. Word has length 154 [2019-09-16 16:35:35,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:35,244 INFO L475 AbstractCegarLoop]: Abstraction has 3912 states and 4502 transitions. [2019-09-16 16:35:35,245 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-16 16:35:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 4502 transitions. [2019-09-16 16:35:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-16 16:35:35,253 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:35,254 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:35,255 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:35,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:35,255 INFO L82 PathProgramCache]: Analyzing trace with hash 858645302, now seen corresponding path program 1 times [2019-09-16 16:35:35,255 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:35,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:35,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:35,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:35,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:35,381 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-09-16 16:35:35,381 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:35,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 16:35:35,383 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:35:35,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:35:35,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:35:35,384 INFO L87 Difference]: Start difference. First operand 3912 states and 4502 transitions. Second operand 9 states. [2019-09-16 16:35:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:35,544 INFO L93 Difference]: Finished difference Result 5098 states and 5905 transitions. [2019-09-16 16:35:35,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:35:35,545 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2019-09-16 16:35:35,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:35,555 INFO L225 Difference]: With dead ends: 5098 [2019-09-16 16:35:35,555 INFO L226 Difference]: Without dead ends: 1658 [2019-09-16 16:35:35,564 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:35:35,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2019-09-16 16:35:35,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1596. [2019-09-16 16:35:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1596 states. [2019-09-16 16:35:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 1860 transitions. [2019-09-16 16:35:35,662 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 1860 transitions. Word has length 154 [2019-09-16 16:35:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:35,665 INFO L475 AbstractCegarLoop]: Abstraction has 1596 states and 1860 transitions. [2019-09-16 16:35:35,665 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:35:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 1860 transitions. [2019-09-16 16:35:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-09-16 16:35:35,671 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:35:35,672 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:35:35,672 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:35:35,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:35:35,673 INFO L82 PathProgramCache]: Analyzing trace with hash -240319461, now seen corresponding path program 1 times [2019-09-16 16:35:35,673 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:35:35,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:35:35,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:35,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:35:35,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:35:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:35:35,796 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-09-16 16:35:35,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:35:35,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:35:35,801 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:35:35,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:35:35,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:35,803 INFO L87 Difference]: Start difference. First operand 1596 states and 1860 transitions. Second operand 3 states. [2019-09-16 16:35:35,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:35:35,936 INFO L93 Difference]: Finished difference Result 2574 states and 3021 transitions. [2019-09-16 16:35:35,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:35:35,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-09-16 16:35:35,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:35:35,938 INFO L225 Difference]: With dead ends: 2574 [2019-09-16 16:35:35,939 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:35:35,947 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:35:35,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:35:35,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:35:35,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:35:35,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:35:35,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2019-09-16 16:35:35,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:35:35,949 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:35:35,949 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:35:35,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:35:35,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:35:35,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:35:36,322 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2019-09-16 16:35:36,472 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 48 [2019-09-16 16:35:37,008 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 55 [2019-09-16 16:35:37,311 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 66 [2019-09-16 16:35:37,590 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 58 [2019-09-16 16:35:38,101 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 23 [2019-09-16 16:35:38,370 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2019-09-16 16:35:38,608 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2019-09-16 16:35:38,844 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2019-09-16 16:35:39,273 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 43 [2019-09-16 16:35:39,684 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 34 [2019-09-16 16:35:40,059 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 31 [2019-09-16 16:35:40,288 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2019-09-16 16:35:40,654 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2019-09-16 16:35:41,080 WARN L191 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 50 [2019-09-16 16:35:41,229 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 23 [2019-09-16 16:35:41,434 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2019-09-16 16:35:41,681 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2019-09-16 16:35:41,888 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 27 [2019-09-16 16:35:42,240 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 34 [2019-09-16 16:35:42,350 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 23 [2019-09-16 16:35:42,556 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-09-16 16:35:42,799 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2019-09-16 16:35:42,919 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2019-09-16 16:35:43,115 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 27 [2019-09-16 16:35:43,315 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2019-09-16 16:35:43,318 INFO L443 ceAbstractionStarter]: For program point L703(line 703) no Hoare annotation was computed. [2019-09-16 16:35:43,318 INFO L443 ceAbstractionStarter]: For program point L702-2(lines 702 723) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point L724(lines 701 725) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 677 732) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 677 732) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 708 712) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 677 732) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 769) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point L765-1(lines 765 769) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 733 792) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 784) no Hoare annotation was computed. [2019-09-16 16:35:43,319 INFO L443 ceAbstractionStarter]: For program point L785(lines 758 786) no Hoare annotation was computed. [2019-09-16 16:35:43,320 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 733 792) no Hoare annotation was computed. [2019-09-16 16:35:43,320 INFO L443 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2019-09-16 16:35:43,320 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 733 792) no Hoare annotation was computed. [2019-09-16 16:35:43,320 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-09-16 16:35:43,320 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 504 510) the Hoare annotation is: true [2019-09-16 16:35:43,320 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 504 510) no Hoare annotation was computed. [2019-09-16 16:35:43,320 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 511 519) no Hoare annotation was computed. [2019-09-16 16:35:43,320 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 511 519) the Hoare annotation is: true [2019-09-16 16:35:43,320 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 511 519) no Hoare annotation was computed. [2019-09-16 16:35:43,321 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 422 444) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-16 16:35:43,321 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 422 444) no Hoare annotation was computed. [2019-09-16 16:35:43,321 INFO L439 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:43,321 INFO L439 ceAbstractionStarter]: At program point L434-1(line 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:43,321 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 439) no Hoare annotation was computed. [2019-09-16 16:35:43,321 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 432 439) no Hoare annotation was computed. [2019-09-16 16:35:43,321 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-09-16 16:35:43,321 INFO L439 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-16 16:35:43,322 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 422 444) no Hoare annotation was computed. [2019-09-16 16:35:43,322 INFO L439 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-16 16:35:43,322 INFO L439 ceAbstractionStarter]: At program point L428-1(line 428) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-16 16:35:43,322 INFO L443 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2019-09-16 16:35:43,322 INFO L443 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2019-09-16 16:35:43,322 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 376 399) no Hoare annotation was computed. [2019-09-16 16:35:43,322 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-09-16 16:35:43,322 INFO L443 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2019-09-16 16:35:43,322 INFO L443 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-09-16 16:35:43,322 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 376 399) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 376 399) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point L394(line 394) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point L391(line 391) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point L390(line 390) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point L389(line 389) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point L387(line 387) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point L386(line 386) no Hoare annotation was computed. [2019-09-16 16:35:43,323 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 321 335) no Hoare annotation was computed. [2019-09-16 16:35:43,324 INFO L439 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (and (or (and (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0))) (or (not (= 1 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0))))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~methAndRunningLastTime~0 0)))) [2019-09-16 16:35:43,324 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 321 335) the Hoare annotation is: (let ((.cse1 (= |old(~systemActive~0)| 0))) (let ((.cse0 (= 0 ~systemActive~0)) (.cse3 (not .cse1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~pumpRunning~0 1) (not .cse0)) (or (not (= 1 |old(~pumpRunning~0)|)) (or .cse1 .cse2))) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1)) .cse5) (or (= ~pumpRunning~0 0) .cse4 (not (<= 1 ~waterLevel~0)) .cse5) (or .cse0 .cse3 .cse4 .cse2 .cse5)))) [2019-09-16 16:35:43,324 INFO L443 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2019-09-16 16:35:43,324 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 321 335) no Hoare annotation was computed. [2019-09-16 16:35:43,324 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 238 246) no Hoare annotation was computed. [2019-09-16 16:35:43,324 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 238 246) the Hoare annotation is: true [2019-09-16 16:35:43,324 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 238 246) no Hoare annotation was computed. [2019-09-16 16:35:43,324 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 302 320) the Hoare annotation is: true [2019-09-16 16:35:43,324 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 315) no Hoare annotation was computed. [2019-09-16 16:35:43,324 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 302 320) no Hoare annotation was computed. [2019-09-16 16:35:43,325 INFO L446 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2019-09-16 16:35:43,325 INFO L443 ceAbstractionStarter]: For program point L311-2(lines 311 315) no Hoare annotation was computed. [2019-09-16 16:35:43,325 INFO L443 ceAbstractionStarter]: For program point L309-1(line 309) no Hoare annotation was computed. [2019-09-16 16:35:43,325 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 302 320) no Hoare annotation was computed. [2019-09-16 16:35:43,325 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 262) no Hoare annotation was computed. [2019-09-16 16:35:43,325 INFO L443 ceAbstractionStarter]: For program point L254-2(lines 254 262) no Hoare annotation was computed. [2019-09-16 16:35:43,325 INFO L443 ceAbstractionStarter]: For program point L277(line 277) no Hoare annotation was computed. [2019-09-16 16:35:43,325 INFO L443 ceAbstractionStarter]: For program point L277-1(line 277) no Hoare annotation was computed. [2019-09-16 16:35:43,326 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 247 282) no Hoare annotation was computed. [2019-09-16 16:35:43,326 INFO L443 ceAbstractionStarter]: For program point L266(lines 266 274) no Hoare annotation was computed. [2019-09-16 16:35:43,326 INFO L443 ceAbstractionStarter]: For program point L266-2(lines 266 274) no Hoare annotation was computed. [2019-09-16 16:35:43,326 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 247 282) no Hoare annotation was computed. [2019-09-16 16:35:43,326 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 247 282) no Hoare annotation was computed. [2019-09-16 16:35:43,326 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 497 503) no Hoare annotation was computed. [2019-09-16 16:35:43,326 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 497 503) the Hoare annotation is: true [2019-09-16 16:35:43,326 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 631 676) no Hoare annotation was computed. [2019-09-16 16:35:43,326 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 631 676) no Hoare annotation was computed. [2019-09-16 16:35:43,327 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 631 676) no Hoare annotation was computed. [2019-09-16 16:35:43,327 INFO L443 ceAbstractionStarter]: For program point L958(lines 958 978) no Hoare annotation was computed. [2019-09-16 16:35:43,327 INFO L443 ceAbstractionStarter]: For program point L958-1(lines 958 978) no Hoare annotation was computed. [2019-09-16 16:35:43,327 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 944 989) no Hoare annotation was computed. [2019-09-16 16:35:43,327 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 944 989) no Hoare annotation was computed. [2019-09-16 16:35:43,327 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 944 989) no Hoare annotation was computed. [2019-09-16 16:35:43,327 INFO L443 ceAbstractionStarter]: For program point L964(lines 964 971) no Hoare annotation was computed. [2019-09-16 16:35:43,327 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 408 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-16 16:35:43,328 INFO L439 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-16 16:35:43,328 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 408 418) no Hoare annotation was computed. [2019-09-16 16:35:43,328 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 408 418) no Hoare annotation was computed. [2019-09-16 16:35:43,328 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 227 237) no Hoare annotation was computed. [2019-09-16 16:35:43,328 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 227 237) no Hoare annotation was computed. [2019-09-16 16:35:43,328 INFO L443 ceAbstractionStarter]: For program point L232(line 232) no Hoare annotation was computed. [2019-09-16 16:35:43,328 INFO L443 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2019-09-16 16:35:43,328 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 227 237) no Hoare annotation was computed. [2019-09-16 16:35:43,329 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 219 226) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (or (not (<= 1 ~waterLevel~0)) .cse1 (not (= ~systemActive~0 1)))) (or .cse0 (or .cse1 (or (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0))))))) [2019-09-16 16:35:43,329 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 219 226) no Hoare annotation was computed. [2019-09-16 16:35:43,329 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 219 226) no Hoare annotation was computed. [2019-09-16 16:35:43,329 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 611) no Hoare annotation was computed. [2019-09-16 16:35:43,329 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 601 614) no Hoare annotation was computed. [2019-09-16 16:35:43,329 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 601 614) the Hoare annotation is: true [2019-09-16 16:35:43,329 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 601 614) no Hoare annotation was computed. [2019-09-16 16:35:43,329 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 1) (or (not (<= 1 ~waterLevel~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse0)) (or .cse1 (not (<= 2 ~waterLevel~0)) .cse0 .cse2) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) .cse2))) [2019-09-16 16:35:43,330 INFO L443 ceAbstractionStarter]: For program point L192-1(line 192) no Hoare annotation was computed. [2019-09-16 16:35:43,330 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 207) no Hoare annotation was computed. [2019-09-16 16:35:43,330 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 186 210) no Hoare annotation was computed. [2019-09-16 16:35:43,330 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 186 210) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 1) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1)) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-09-16 16:35:43,330 INFO L439 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))))) [2019-09-16 16:35:43,330 INFO L443 ceAbstractionStarter]: For program point L205-1(lines 186 210) no Hoare annotation was computed. [2019-09-16 16:35:43,330 INFO L439 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or (not (<= 1 ~waterLevel~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-09-16 16:35:43,331 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or (or (not (<= 1 ~waterLevel~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (and (= ~pumpRunning~0 1) (= 1 processEnvironment_~tmp~2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-09-16 16:35:43,331 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 202) no Hoare annotation was computed. [2019-09-16 16:35:43,331 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2019-09-16 16:35:43,331 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2019-09-16 16:35:43,331 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 66 72) no Hoare annotation was computed. [2019-09-16 16:35:43,331 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 46 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) [2019-09-16 16:35:43,332 INFO L443 ceAbstractionStarter]: For program point L58(lines 58 62) no Hoare annotation was computed. [2019-09-16 16:35:43,332 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 46 113) no Hoare annotation was computed. [2019-09-16 16:35:43,332 INFO L439 ceAbstractionStarter]: At program point L106(lines 55 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-16 16:35:43,332 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0))))) [2019-09-16 16:35:43,332 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 100) no Hoare annotation was computed. [2019-09-16 16:35:43,332 INFO L439 ceAbstractionStarter]: At program point L94-1(lines 86 101) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and (= 0 ~methaneLevelCritical~0) .cse1 .cse4 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse5 .cse1 .cse4 .cse2 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse1 .cse4 .cse2 .cse6) .cse3) (and .cse5 .cse0 .cse1 (= ~pumpRunning~0 1)))) [2019-09-16 16:35:43,332 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 105) no Hoare annotation was computed. [2019-09-16 16:35:43,333 INFO L439 ceAbstractionStarter]: At program point L88(line 88) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-16 16:35:43,333 INFO L443 ceAbstractionStarter]: For program point L86(lines 86 101) no Hoare annotation was computed. [2019-09-16 16:35:43,333 INFO L439 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= ~pumpRunning~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse1 .cse2 .cse3 .cse4) (= 0 ~systemActive~0)))) [2019-09-16 16:35:43,333 INFO L443 ceAbstractionStarter]: For program point L76(lines 76 82) no Hoare annotation was computed. [2019-09-16 16:35:43,333 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2019-09-16 16:35:43,333 INFO L439 ceAbstractionStarter]: At program point L103(lines 56 105) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse1 .cse2 .cse3 .cse4) (= 0 ~systemActive~0)))) [2019-09-16 16:35:43,334 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (and (and (and .cse0 .cse1) .cse2) .cse3) (= 0 ~systemActive~0)) (and .cse4 .cse0 .cse3 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 (<= 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 1)))) [2019-09-16 16:35:43,334 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 46 113) no Hoare annotation was computed. [2019-09-16 16:35:43,334 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-09-16 16:35:43,334 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 898 943) no Hoare annotation was computed. [2019-09-16 16:35:43,334 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 925) no Hoare annotation was computed. [2019-09-16 16:35:43,334 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 898 943) no Hoare annotation was computed. [2019-09-16 16:35:43,334 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 898 943) no Hoare annotation was computed. [2019-09-16 16:35:43,334 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2019-09-16 16:35:43,335 INFO L443 ceAbstractionStarter]: For program point L912-1(lines 912 932) no Hoare annotation was computed. [2019-09-16 16:35:43,335 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 615 623) no Hoare annotation was computed. [2019-09-16 16:35:43,335 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 615 623) the Hoare annotation is: true [2019-09-16 16:35:43,335 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 615 623) no Hoare annotation was computed. [2019-09-16 16:35:43,335 INFO L439 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse4 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse3 .cse4 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 (not (= ~systemActive~0 0)) .cse0))) [2019-09-16 16:35:43,335 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 475) no Hoare annotation was computed. [2019-09-16 16:35:43,335 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-09-16 16:35:43,335 INFO L439 ceAbstractionStarter]: At program point L466(line 466) the Hoare annotation is: (let ((.cse5 (not (<= 2 ~waterLevel~0))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse7 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~systemActive~0 0))) (.cse9 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse7 .cse4) (or (or .cse0 .cse7 .cse8) .cse9) (or .cse5 .cse6 (or .cse7 .cse8)) (or .cse0 .cse2 .cse7 .cse3 .cse4) (or .cse1 .cse9 (or .cse0 .cse8)))) [2019-09-16 16:35:43,336 INFO L443 ceAbstractionStarter]: For program point L466-1(line 466) no Hoare annotation was computed. [2019-09-16 16:35:43,336 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 456 484) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse1 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0)) .cse4 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3))) [2019-09-16 16:35:43,336 INFO L443 ceAbstractionStarter]: For program point L464(lines 464 481) no Hoare annotation was computed. [2019-09-16 16:35:43,336 INFO L443 ceAbstractionStarter]: For program point L464-1(lines 456 484) no Hoare annotation was computed. [2019-09-16 16:35:43,336 INFO L439 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse1 (not (<= 2 ~waterLevel~0)) (not (= 1 ~pumpRunning~0)) .cse4 .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse3))) [2019-09-16 16:35:43,336 INFO L443 ceAbstractionStarter]: For program point L462-1(line 462) no Hoare annotation was computed. [2019-09-16 16:35:43,336 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 456 484) no Hoare annotation was computed. [2019-09-16 16:35:43,336 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 585) no Hoare annotation was computed. [2019-09-16 16:35:43,336 INFO L443 ceAbstractionStarter]: For program point L577-2(lines 577 585) no Hoare annotation was computed. [2019-09-16 16:35:43,337 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 569 591) no Hoare annotation was computed. [2019-09-16 16:35:43,337 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 569 591) no Hoare annotation was computed. [2019-09-16 16:35:43,337 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 569 591) no Hoare annotation was computed. [2019-09-16 16:35:43,337 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 448 455) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2019-09-16 16:35:43,337 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 448 455) no Hoare annotation was computed. [2019-09-16 16:35:43,337 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 448 455) no Hoare annotation was computed. [2019-09-16 16:35:43,337 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 487 496) no Hoare annotation was computed. [2019-09-16 16:35:43,337 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 487 496) no Hoare annotation was computed. [2019-09-16 16:35:43,337 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 487 496) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point L865(lines 843 866) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 795 897) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 840) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point L884(lines 884 891) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point L845(lines 844 864) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point L876-1(line 876) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 882) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 795 897) no Hoare annotation was computed. [2019-09-16 16:35:43,338 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-09-16 16:35:43,339 INFO L443 ceAbstractionStarter]: For program point L860-1(line 860) no Hoare annotation was computed. [2019-09-16 16:35:43,339 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2019-09-16 16:35:43,339 INFO L443 ceAbstractionStarter]: For program point L883(lines 883 894) no Hoare annotation was computed. [2019-09-16 16:35:43,339 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 795 897) no Hoare annotation was computed. [2019-09-16 16:35:43,339 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 850) no Hoare annotation was computed. [2019-09-16 16:35:43,339 INFO L443 ceAbstractionStarter]: For program point L844-2(lines 844 864) no Hoare annotation was computed. [2019-09-16 16:35:43,339 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:43,339 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-16 16:35:43,339 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:43,339 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2019-09-16 16:35:43,340 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2019-09-16 16:35:43,340 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 218) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0) (not (= ~methAndRunningLastTime~0 0))) [2019-09-16 16:35:43,340 INFO L443 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-09-16 16:35:43,340 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 283 301) no Hoare annotation was computed. [2019-09-16 16:35:43,340 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 283 301) the Hoare annotation is: true [2019-09-16 16:35:43,340 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 283 301) no Hoare annotation was computed. [2019-09-16 16:35:43,340 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 296) no Hoare annotation was computed. [2019-09-16 16:35:43,340 INFO L446 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2019-09-16 16:35:43,340 INFO L443 ceAbstractionStarter]: For program point L292-2(lines 292 296) no Hoare annotation was computed. [2019-09-16 16:35:43,341 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 592 600) no Hoare annotation was computed. [2019-09-16 16:35:43,341 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 592 600) no Hoare annotation was computed. [2019-09-16 16:35:43,341 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 592 600) no Hoare annotation was computed. [2019-09-16 16:35:43,341 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 548 559) the Hoare annotation is: (let ((.cse6 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse3 .cse6 .cse4 .cse5 .cse1) (or .cse0 .cse7 .cse1 .cse6 .cse4 .cse5) (or .cse1 .cse7 (or .cse0 .cse2 .cse4 .cse5)) (or .cse1 (or .cse2 (not (= 1 ~pumpRunning~0)) .cse3 .cse4 .cse5)))) [2019-09-16 16:35:43,341 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 548 559) no Hoare annotation was computed. [2019-09-16 16:35:43,341 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 548 559) no Hoare annotation was computed. [2019-09-16 16:35:43,341 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:43,341 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:35:43,341 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:43,342 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 128 151) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse8 .cse9 (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (and .cse8 .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse6) (or .cse1 .cse0 .cse5 .cse2 .cse4) (or .cse5 .cse6 (or .cse1 .cse7)) (or (and (= ~pumpRunning~0 1) .cse8) (or .cse7 (not (= 1 |old(~pumpRunning~0)|)) .cse3))))) [2019-09-16 16:35:43,342 INFO L439 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~systemActive~0 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2 .cse3) (or .cse4 (or .cse0 .cse5)) (or .cse0 .cse4 .cse1 .cse3) (or .cse4 .cse1 (or .cse0 (not (= ~methaneLevelCritical~0 0)))) (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (= ~pumpRunning~0 1)) (or .cse5 (not (= 1 |old(~pumpRunning~0)|)) .cse2)))) [2019-09-16 16:35:43,342 INFO L439 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= ~systemActive~0 0))) (.cse8 (and .cse9 .cse0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and .cse9 .cse0 .cse10)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2)) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse4 (not (<= 1 |old(~waterLevel~0)|)) (or .cse3 (not (= ~methaneLevelCritical~0 0))) .cse8) (or (or .cse3 .cse1 .cse2 .cse7) .cse8 (and (= ~pumpRunning~0 1) .cse9 .cse10)) (or .cse4 .cse8 (or .cse3 .cse1)) (or .cse3 .cse5 .cse2 .cse6 .cse7)))) [2019-09-16 16:35:43,342 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 128 151) no Hoare annotation was computed. [2019-09-16 16:35:43,342 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 128 151) no Hoare annotation was computed. [2019-09-16 16:35:43,342 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse3 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse5)))) [2019-09-16 16:35:43,342 INFO L443 ceAbstractionStarter]: For program point L132(lines 131 150) no Hoare annotation was computed. [2019-09-16 16:35:43,342 INFO L446 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: true [2019-09-16 16:35:43,343 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 346 375) no Hoare annotation was computed. [2019-09-16 16:35:43,343 INFO L443 ceAbstractionStarter]: For program point L352-1(line 352) no Hoare annotation was computed. [2019-09-16 16:35:43,343 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 346 375) the Hoare annotation is: true [2019-09-16 16:35:43,343 INFO L446 ceAbstractionStarter]: At program point L371(lines 346 375) the Hoare annotation is: true [2019-09-16 16:35:43,343 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-09-16 16:35:43,343 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2019-09-16 16:35:43,343 INFO L446 ceAbstractionStarter]: At program point L360-1(lines 360 364) the Hoare annotation is: true [2019-09-16 16:35:43,343 INFO L443 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2019-09-16 16:35:43,343 INFO L446 ceAbstractionStarter]: At program point L356-2(lines 356 370) the Hoare annotation is: true [2019-09-16 16:35:43,344 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 560 568) the Hoare annotation is: true [2019-09-16 16:35:43,344 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 560 568) no Hoare annotation was computed. [2019-09-16 16:35:43,344 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 560 568) no Hoare annotation was computed. [2019-09-16 16:35:43,344 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2019-09-16 16:35:43,344 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 524 535) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (= ~systemActive~0 1)) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~pumpRunning~0)))) [2019-09-16 16:35:43,344 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 524 535) no Hoare annotation was computed. [2019-09-16 16:35:43,344 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 400 406) no Hoare annotation was computed. [2019-09-16 16:35:43,344 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 400 406) the Hoare annotation is: true [2019-09-16 16:35:43,344 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:35:43,344 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-09-16 16:35:43,344 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:35:43,344 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:35:43,345 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2019-09-16 16:35:43,345 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~systemActive~0) (not (= |old(~systemActive~0)| 0)) (not (<= 1 ~waterLevel~0)) (not (= ~methAndRunningLastTime~0 0))) [2019-09-16 16:35:43,345 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2019-09-16 16:35:43,345 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 160 184) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-09-16 16:35:43,345 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 160 184) no Hoare annotation was computed. [2019-09-16 16:35:43,345 INFO L439 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-09-16 16:35:43,345 INFO L443 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2019-09-16 16:35:43,345 INFO L439 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-09-16 16:35:43,346 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2) (= ~pumpRunning~0 0)) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-09-16 16:35:43,346 INFO L443 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2019-09-16 16:35:43,346 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-09-16 16:35:43,346 INFO L443 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2019-09-16 16:35:43,346 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2019-09-16 16:35:43,346 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 536 547) no Hoare annotation was computed. [2019-09-16 16:35:43,346 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 536 547) no Hoare annotation was computed. [2019-09-16 16:35:43,347 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 536 547) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (or .cse0 .cse2) .cse5 .cse4) (or .cse1 .cse2 .cse5 (not (= 1 ~pumpRunning~0))) (or .cse6 .cse5 .cse1 .cse4 .cse0) (or .cse0 .cse6 .cse1 .cse3 .cse4))) [2019-09-16 16:35:43,347 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 991 998) no Hoare annotation was computed. [2019-09-16 16:35:43,347 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 991 998) the Hoare annotation is: true [2019-09-16 16:35:43,347 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 995) no Hoare annotation was computed. [2019-09-16 16:35:43,347 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 991 998) no Hoare annotation was computed. [2019-09-16 16:35:43,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:35:43 BoogieIcfgContainer [2019-09-16 16:35:43,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:35:43,364 INFO L168 Benchmark]: Toolchain (without parser) took 23132.13 ms. Allocated memory was 133.2 MB in the beginning and 665.8 MB in the end (delta: 532.7 MB). Free memory was 86.9 MB in the beginning and 544.2 MB in the end (delta: -457.3 MB). Peak memory consumption was 545.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:43,365 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:35:43,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.06 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 163.4 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:43,367 INFO L168 Benchmark]: Boogie Preprocessor took 82.33 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 159.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:43,368 INFO L168 Benchmark]: RCFGBuilder took 1325.36 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 159.2 MB in the beginning and 189.9 MB in the end (delta: -30.7 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:43,369 INFO L168 Benchmark]: TraceAbstraction took 20987.95 ms. Allocated memory was 224.9 MB in the beginning and 665.8 MB in the end (delta: 440.9 MB). Free memory was 189.9 MB in the beginning and 544.2 MB in the end (delta: -354.3 MB). Peak memory consumption was 556.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:35:43,373 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.06 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 163.4 MB in the end (delta: -76.7 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.33 ms. Allocated memory is still 199.8 MB. Free memory was 163.4 MB in the beginning and 159.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1325.36 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 159.2 MB in the beginning and 189.9 MB in the end (delta: -30.7 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20987.95 ms. Allocated memory was 224.9 MB in the beginning and 665.8 MB in the end (delta: 440.9 MB). Free memory was 189.9 MB in the beginning and 544.2 MB in the end (delta: -354.3 MB). Peak memory consumption was 556.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 995]: 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: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || (((1 == systemActive && 2 <= waterLevel) && 0 == splverifierCounter) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 250 locations, 1 error locations. SAFE Result, 20.8s OverallTime, 14 OverallIterations, 2 TraceHistogramMax, 7.8s AutomataDifference, 0.0s DeadEndRemovalTime, 7.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2678 SDtfs, 2124 SDslu, 6000 SDs, 0 SdLazy, 3418 SolverSat, 867 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 611 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3912occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 2254 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 6604 PreInvPairs, 6751 NumberOfFragments, 2399 HoareAnnotationTreeSize, 6604 FomulaSimplifications, 28694 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 65 FomulaSimplificationsInter, 18920 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1883 NumberOfCodeBlocks, 1883 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1866 ConstructedInterpolants, 0 QuantifiedInterpolants, 363359 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2790 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 331/345 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...