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_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:22,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:22,207 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:22,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:22,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:22,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:22,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:22,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:22,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:22,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:22,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:22,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:22,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:22,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:22,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:22,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:22,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:22,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:22,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:22,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:22,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:22,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:22,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:22,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:22,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:22,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:22,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:22,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:22,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:22,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:22,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:22,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:22,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:22,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:22,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:22,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:22,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:22,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:22,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:22,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:22,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:22,254 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 [2019-09-20 13:04:22,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:22,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:22,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:22,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:22,270 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:22,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:22,270 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:22,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:22,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:22,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:22,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:22,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:22,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:22,272 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:22,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:22,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:22,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:22,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:22,273 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:22,273 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:22,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:22,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:22,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:22,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:22,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:22,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:22,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:22,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:22,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:22,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:22,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:22,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:22,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:22,323 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:22,324 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-20 13:04:22,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2dde52e/8e7a4cd888db47499d44545f63bf69e8/FLAG0c6f333ca [2019-09-20 13:04:22,949 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:22,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-20 13:04:22,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2dde52e/8e7a4cd888db47499d44545f63bf69e8/FLAG0c6f333ca [2019-09-20 13:04:23,243 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab2dde52e/8e7a4cd888db47499d44545f63bf69e8 [2019-09-20 13:04:23,254 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:23,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:23,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:23,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:23,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:23,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:23,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750b091d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23, skipping insertion in model container [2019-09-20 13:04:23,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:23,275 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:23,316 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:23,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:23,777 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:23,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:23,963 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:23,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23 WrapperNode [2019-09-20 13:04:23,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:23,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:23,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:23,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:23,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:23,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:24,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:24,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:24,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:24,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:24,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:24,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:24,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:24,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:24,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:24,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23" (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 [2019-09-20 13:04:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:24,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:24,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:04:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:24,135 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:24,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:04:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:04:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:04:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:04:24,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:24,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:24,146 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:24,147 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:04:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:04:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:04:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:04:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:04:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:04:25,290 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:04:25,290 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:04:25,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:25 BoogieIcfgContainer [2019-09-20 13:04:25,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:04:25,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:04:25,295 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:04:25,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:04:25,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:23" (1/3) ... [2019-09-20 13:04:25,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705d7ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:25, skipping insertion in model container [2019-09-20 13:04:25,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23" (2/3) ... [2019-09-20 13:04:25,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705d7ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:25, skipping insertion in model container [2019-09-20 13:04:25,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:25" (3/3) ... [2019-09-20 13:04:25,302 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-09-20 13:04:25,312 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:04:25,322 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:04:25,340 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:04:25,382 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:04:25,383 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:04:25,384 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:04:25,384 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:04:25,384 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:04:25,384 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:04:25,384 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:04:25,385 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:04:25,385 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:04:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-09-20 13:04:25,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:04:25,423 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:25,424 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] [2019-09-20 13:04:25,427 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:25,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:25,434 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2019-09-20 13:04:25,436 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:25,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:25,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:25,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:25,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:25,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:04:25,854 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:04:25,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:04:25,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:25,877 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-09-20 13:04:25,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:25,936 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2019-09-20 13:04:25,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:04:25,938 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:04:25,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:25,952 INFO L225 Difference]: With dead ends: 280 [2019-09-20 13:04:25,952 INFO L226 Difference]: Without dead ends: 140 [2019-09-20 13:04:25,958 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 [2019-09-20 13:04:25,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-09-20 13:04:26,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-09-20 13:04:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-09-20 13:04:26,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-09-20 13:04:26,019 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2019-09-20 13:04:26,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,020 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-09-20 13:04:26,020 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:04:26,020 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-09-20 13:04:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:04:26,023 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,024 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] [2019-09-20 13:04:26,024 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,024 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2019-09-20 13:04:26,025 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:26,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:26,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:26,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:04:26,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:04:26,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:04:26,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:26,143 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2019-09-20 13:04:26,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:26,191 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2019-09-20 13:04:26,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:04:26,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:04:26,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:26,198 INFO L225 Difference]: With dead ends: 229 [2019-09-20 13:04:26,198 INFO L226 Difference]: Without dead ends: 131 [2019-09-20 13:04:26,199 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 [2019-09-20 13:04:26,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-20 13:04:26,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-20 13:04:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-20 13:04:26,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2019-09-20 13:04:26,217 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2019-09-20 13:04:26,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,218 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2019-09-20 13:04:26,218 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:04:26,218 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2019-09-20 13:04:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:04:26,220 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,220 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] [2019-09-20 13:04:26,221 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,221 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2019-09-20 13:04:26,221 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:26,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:26,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:26,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:26,397 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:26,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:26,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:26,398 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2019-09-20 13:04:26,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:26,788 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2019-09-20 13:04:26,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:26,789 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:04:26,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:26,792 INFO L225 Difference]: With dead ends: 238 [2019-09-20 13:04:26,792 INFO L226 Difference]: Without dead ends: 131 [2019-09-20 13:04:26,799 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:26,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-20 13:04:26,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-20 13:04:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-20 13:04:26,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2019-09-20 13:04:26,836 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2019-09-20 13:04:26,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,837 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2019-09-20 13:04:26,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2019-09-20 13:04:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:04:26,842 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,843 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] [2019-09-20 13:04:26,843 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2019-09-20 13:04:26,847 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,847 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:27,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:27,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:04:27,054 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:04:27,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:04:27,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:04:27,055 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2019-09-20 13:04:27,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:27,543 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2019-09-20 13:04:27,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:04:27,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-20 13:04:27,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:27,547 INFO L225 Difference]: With dead ends: 334 [2019-09-20 13:04:27,548 INFO L226 Difference]: Without dead ends: 227 [2019-09-20 13:04:27,549 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:27,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-09-20 13:04:27,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2019-09-20 13:04:27,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-09-20 13:04:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2019-09-20 13:04:27,580 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2019-09-20 13:04:27,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:27,581 INFO L475 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2019-09-20 13:04:27,581 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:04:27,581 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2019-09-20 13:04:27,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-20 13:04:27,583 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:27,583 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] [2019-09-20 13:04:27,586 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:27,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:27,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2019-09-20 13:04:27,587 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:27,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:27,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:27,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:27,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:27,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:27,740 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:27,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:27,741 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2019-09-20 13:04:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:27,992 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2019-09-20 13:04:27,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:27,994 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-09-20 13:04:27,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:27,999 INFO L225 Difference]: With dead ends: 564 [2019-09-20 13:04:27,999 INFO L226 Difference]: Without dead ends: 379 [2019-09-20 13:04:28,000 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 [2019-09-20 13:04:28,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-09-20 13:04:28,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2019-09-20 13:04:28,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-09-20 13:04:28,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2019-09-20 13:04:28,040 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2019-09-20 13:04:28,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:28,041 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2019-09-20 13:04:28,041 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:28,041 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2019-09-20 13:04:28,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-20 13:04:28,049 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:28,050 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] [2019-09-20 13:04:28,050 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:28,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:28,050 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2019-09-20 13:04:28,051 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:28,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:28,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:28,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:28,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:28,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:28,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:28,187 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:28,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:28,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:28,187 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2019-09-20 13:04:28,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:28,938 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2019-09-20 13:04:28,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:04:28,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-09-20 13:04:28,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:28,942 INFO L225 Difference]: With dead ends: 406 [2019-09-20 13:04:28,942 INFO L226 Difference]: Without dead ends: 403 [2019-09-20 13:04:28,943 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:04:28,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-09-20 13:04:28,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2019-09-20 13:04:28,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-09-20 13:04:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-09-20 13:04:28,969 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2019-09-20 13:04:28,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:28,969 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-09-20 13:04:28,970 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-09-20 13:04:28,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:04:28,972 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:28,972 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:28,972 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:28,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:28,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2019-09-20 13:04:28,973 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:28,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:28,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:28,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:29,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:29,047 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:29,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:29,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:29,048 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2019-09-20 13:04:29,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,090 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2019-09-20 13:04:29,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:29,090 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-09-20 13:04:29,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,094 INFO L225 Difference]: With dead ends: 736 [2019-09-20 13:04:29,094 INFO L226 Difference]: Without dead ends: 387 [2019-09-20 13:04:29,095 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 [2019-09-20 13:04:29,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-09-20 13:04:29,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2019-09-20 13:04:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-20 13:04:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2019-09-20 13:04:29,118 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2019-09-20 13:04:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,119 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2019-09-20 13:04:29,119 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2019-09-20 13:04:29,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:04:29,121 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,121 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:29,122 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,122 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2019-09-20 13:04:29,122 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:29,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:04:29,246 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:04:29,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:04:29,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:29,247 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2019-09-20 13:04:29,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,293 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2019-09-20 13:04:29,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:29,294 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-09-20 13:04:29,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,301 INFO L225 Difference]: With dead ends: 756 [2019-09-20 13:04:29,301 INFO L226 Difference]: Without dead ends: 397 [2019-09-20 13:04:29,304 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 [2019-09-20 13:04:29,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-09-20 13:04:29,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2019-09-20 13:04:29,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-09-20 13:04:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2019-09-20 13:04:29,337 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2019-09-20 13:04:29,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,338 INFO L475 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2019-09-20 13:04:29,338 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:04:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2019-09-20 13:04:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-20 13:04:29,345 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,345 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:29,345 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,346 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2019-09-20 13:04:29,346 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:29,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:04:29,448 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:04:29,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:04:29,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:29,449 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2019-09-20 13:04:29,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,683 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2019-09-20 13:04:29,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:04:29,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-09-20 13:04:29,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,689 INFO L225 Difference]: With dead ends: 1153 [2019-09-20 13:04:29,689 INFO L226 Difference]: Without dead ends: 786 [2019-09-20 13:04:29,690 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 [2019-09-20 13:04:29,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-09-20 13:04:29,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2019-09-20 13:04:29,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-09-20 13:04:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2019-09-20 13:04:29,736 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2019-09-20 13:04:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,736 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2019-09-20 13:04:29,737 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:04:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2019-09-20 13:04:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-20 13:04:29,739 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,739 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:29,739 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,740 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2019-09-20 13:04:29,740 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:04:29,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:29,879 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 [2019-09-20 13:04:29,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:30,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:30,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:04:30,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:30,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:30,315 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:30,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:30,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:30,316 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 19 states. [2019-09-20 13:04:31,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:31,729 INFO L93 Difference]: Finished difference Result 1488 states and 1759 transitions. [2019-09-20 13:04:31,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:31,730 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2019-09-20 13:04:31,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:31,735 INFO L225 Difference]: With dead ends: 1488 [2019-09-20 13:04:31,736 INFO L226 Difference]: Without dead ends: 741 [2019-09-20 13:04:31,739 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:31,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2019-09-20 13:04:31,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2019-09-20 13:04:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2019-09-20 13:04:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 852 transitions. [2019-09-20 13:04:31,780 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 852 transitions. Word has length 102 [2019-09-20 13:04:31,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:31,781 INFO L475 AbstractCegarLoop]: Abstraction has 741 states and 852 transitions. [2019-09-20 13:04:31,781 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:31,781 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 852 transitions. [2019-09-20 13:04:31,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-20 13:04:31,788 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:31,788 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:31,789 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:31,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:31,789 INFO L82 PathProgramCache]: Analyzing trace with hash -102866443, now seen corresponding path program 1 times [2019-09-20 13:04:31,789 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:31,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:31,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:31,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:04:31,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:31,962 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 [2019-09-20 13:04:32,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:04:32,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:04:32,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:32,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-20 13:04:32,267 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:32,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:32,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:32,268 INFO L87 Difference]: Start difference. First operand 741 states and 852 transitions. Second operand 6 states. [2019-09-20 13:04:33,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,051 INFO L93 Difference]: Finished difference Result 1605 states and 1938 transitions. [2019-09-20 13:04:33,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:33,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2019-09-20 13:04:33,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,060 INFO L225 Difference]: With dead ends: 1605 [2019-09-20 13:04:33,061 INFO L226 Difference]: Without dead ends: 1008 [2019-09-20 13:04:33,064 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:33,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-09-20 13:04:33,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 913. [2019-09-20 13:04:33,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2019-09-20 13:04:33,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1068 transitions. [2019-09-20 13:04:33,141 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1068 transitions. Word has length 159 [2019-09-20 13:04:33,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:33,141 INFO L475 AbstractCegarLoop]: Abstraction has 913 states and 1068 transitions. [2019-09-20 13:04:33,141 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:33,142 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1068 transitions. [2019-09-20 13:04:33,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-20 13:04:33,148 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:33,148 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:33,149 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:33,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:33,149 INFO L82 PathProgramCache]: Analyzing trace with hash 1698521745, now seen corresponding path program 1 times [2019-09-20 13:04:33,149 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:33,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:33,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:04:33,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:33,383 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 [2019-09-20 13:04:33,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:04:33,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:33,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:33,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:04:33,796 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:04:33,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:04:33,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:04:33,797 INFO L87 Difference]: Start difference. First operand 913 states and 1068 transitions. Second operand 16 states. [2019-09-20 13:04:36,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:36,284 INFO L93 Difference]: Finished difference Result 2777 states and 3546 transitions. [2019-09-20 13:04:36,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:04:36,285 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2019-09-20 13:04:36,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:36,300 INFO L225 Difference]: With dead ends: 2777 [2019-09-20 13:04:36,300 INFO L226 Difference]: Without dead ends: 2012 [2019-09-20 13:04:36,303 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:04:36,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2019-09-20 13:04:36,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1729. [2019-09-20 13:04:36,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1729 states. [2019-09-20 13:04:36,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2019 transitions. [2019-09-20 13:04:36,426 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2019 transitions. Word has length 155 [2019-09-20 13:04:36,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:36,430 INFO L475 AbstractCegarLoop]: Abstraction has 1729 states and 2019 transitions. [2019-09-20 13:04:36,430 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:04:36,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2019 transitions. [2019-09-20 13:04:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-20 13:04:36,433 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:36,434 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:36,434 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:36,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:36,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1973281359, now seen corresponding path program 1 times [2019-09-20 13:04:36,434 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:36,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:36,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:36,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:36,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:36,576 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-20 13:04:36,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:36,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:04:36,579 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:04:36,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:04:36,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:36,581 INFO L87 Difference]: Start difference. First operand 1729 states and 2019 transitions. Second operand 9 states. [2019-09-20 13:04:36,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:36,670 INFO L93 Difference]: Finished difference Result 2139 states and 2492 transitions. [2019-09-20 13:04:36,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:04:36,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-09-20 13:04:36,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:36,673 INFO L225 Difference]: With dead ends: 2139 [2019-09-20 13:04:36,674 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:04:36,678 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 [2019-09-20 13:04:36,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:04:36,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:04:36,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:04:36,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:04:36,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-09-20 13:04:36,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:36,680 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:04:36,680 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:04:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:04:36,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:04:36,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:04:37,559 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 19 [2019-09-20 13:04:37,885 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-09-20 13:04:38,172 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2019-09-20 13:04:38,395 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-09-20 13:04:38,549 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-09-20 13:04:38,722 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2019-09-20 13:04:38,857 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-09-20 13:04:38,975 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2019-09-20 13:04:39,272 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-09-20 13:04:39,405 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2019-09-20 13:04:39,541 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2019-09-20 13:04:39,725 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-09-20 13:04:39,963 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-09-20 13:04:40,191 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 32 [2019-09-20 13:04:40,498 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2019-09-20 13:04:40,619 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2019-09-20 13:04:40,836 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-09-20 13:04:41,233 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2019-09-20 13:04:41,426 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-09-20 13:04:41,426 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2019-09-20 13:04:41,426 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-09-20 13:04:41,427 INFO L443 ceAbstractionStarter]: For program point L184-2(lines 184 205) no Hoare annotation was computed. [2019-09-20 13:04:41,427 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 159 214) no Hoare annotation was computed. [2019-09-20 13:04:41,427 INFO L443 ceAbstractionStarter]: For program point L206(lines 183 207) no Hoare annotation was computed. [2019-09-20 13:04:41,427 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 159 214) no Hoare annotation was computed. [2019-09-20 13:04:41,427 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 159 214) no Hoare annotation was computed. [2019-09-20 13:04:41,427 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-09-20 13:04:41,427 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2019-09-20 13:04:41,427 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 215 274) no Hoare annotation was computed. [2019-09-20 13:04:41,428 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-09-20 13:04:41,428 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 266) no Hoare annotation was computed. [2019-09-20 13:04:41,428 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 215 274) no Hoare annotation was computed. [2019-09-20 13:04:41,428 INFO L443 ceAbstractionStarter]: For program point L267(lines 240 268) no Hoare annotation was computed. [2019-09-20 13:04:41,428 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 215 274) no Hoare annotation was computed. [2019-09-20 13:04:41,428 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-09-20 13:04:41,428 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-09-20 13:04:41,429 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-09-20 13:04:41,429 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-09-20 13:04:41,429 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-09-20 13:04:41,429 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-09-20 13:04:41,429 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2019-09-20 13:04:41,429 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:41,429 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2019-09-20 13:04:41,430 INFO L439 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:41,430 INFO L439 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:41,430 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-09-20 13:04:41,430 INFO L443 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2019-09-20 13:04:41,430 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2019-09-20 13:04:41,430 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-09-20 13:04:41,431 INFO L439 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:41,431 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:41,431 INFO L439 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:41,431 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-09-20 13:04:41,431 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-09-20 13:04:41,431 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 795 818) no Hoare annotation was computed. [2019-09-20 13:04:41,432 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 795 818) no Hoare annotation was computed. [2019-09-20 13:04:41,432 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 795 818) no Hoare annotation was computed. [2019-09-20 13:04:41,432 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-09-20 13:04:41,432 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-09-20 13:04:41,432 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-09-20 13:04:41,432 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-09-20 13:04:41,432 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-09-20 13:04:41,432 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-09-20 13:04:41,432 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-09-20 13:04:41,433 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-09-20 13:04:41,433 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-09-20 13:04:41,433 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-09-20 13:04:41,433 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-09-20 13:04:41,433 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-09-20 13:04:41,433 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2019-09-20 13:04:41,433 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2019-09-20 13:04:41,433 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2019-09-20 13:04:41,433 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-09-20 13:04:41,434 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-09-20 13:04:41,434 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2019-09-20 13:04:41,434 INFO L443 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2019-09-20 13:04:41,434 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2019-09-20 13:04:41,434 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2019-09-20 13:04:41,434 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2019-09-20 13:04:41,434 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 704) no Hoare annotation was computed. [2019-09-20 13:04:41,434 INFO L443 ceAbstractionStarter]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2019-09-20 13:04:41,434 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-09-20 13:04:41,435 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 689 724) no Hoare annotation was computed. [2019-09-20 13:04:41,435 INFO L443 ceAbstractionStarter]: For program point L719-1(line 719) no Hoare annotation was computed. [2019-09-20 13:04:41,435 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 689 724) no Hoare annotation was computed. [2019-09-20 13:04:41,435 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 716) no Hoare annotation was computed. [2019-09-20 13:04:41,435 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 689 724) no Hoare annotation was computed. [2019-09-20 13:04:41,435 INFO L443 ceAbstractionStarter]: For program point L708-2(lines 708 716) no Hoare annotation was computed. [2019-09-20 13:04:41,435 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-09-20 13:04:41,435 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-09-20 13:04:41,435 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 113 158) no Hoare annotation was computed. [2019-09-20 13:04:41,436 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 113 158) no Hoare annotation was computed. [2019-09-20 13:04:41,436 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 113 158) no Hoare annotation was computed. [2019-09-20 13:04:41,436 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2019-09-20 13:04:41,436 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 426 471) no Hoare annotation was computed. [2019-09-20 13:04:41,436 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 460) no Hoare annotation was computed. [2019-09-20 13:04:41,436 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 460) no Hoare annotation was computed. [2019-09-20 13:04:41,436 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 426 471) no Hoare annotation was computed. [2019-09-20 13:04:41,436 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 426 471) no Hoare annotation was computed. [2019-09-20 13:04:41,437 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:41,437 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2019-09-20 13:04:41,437 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2019-09-20 13:04:41,437 INFO L443 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2019-09-20 13:04:41,437 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2019-09-20 13:04:41,437 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2019-09-20 13:04:41,437 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2019-09-20 13:04:41,437 INFO L446 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2019-09-20 13:04:41,438 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1 .cse3))) [2019-09-20 13:04:41,438 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2019-09-20 13:04:41,438 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2019-09-20 13:04:41,438 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-09-20 13:04:41,438 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2019-09-20 13:04:41,438 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2019-09-20 13:04:41,438 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2019-09-20 13:04:41,439 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2019-09-20 13:04:41,439 INFO L439 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse5 (or (not (<= 2 ~waterLevel~0)) .cse1 .cse2)) (or (or .cse1 (not (= ~waterLevel~0 1)) .cse2) .cse5))) [2019-09-20 13:04:41,439 INFO L443 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2019-09-20 13:04:41,439 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:41,439 INFO L439 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:41,440 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse5 (and (= 1 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse3))) [2019-09-20 13:04:41,440 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2019-09-20 13:04:41,440 INFO L439 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5))) [2019-09-20 13:04:41,440 INFO L443 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2019-09-20 13:04:41,440 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2019-09-20 13:04:41,440 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2019-09-20 13:04:41,441 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2019-09-20 13:04:41,441 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:41,441 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2019-09-20 13:04:41,441 INFO L439 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:41,441 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-09-20 13:04:41,442 INFO L439 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse1 .cse5) (and .cse1 .cse3 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:41,442 INFO L443 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2019-09-20 13:04:41,442 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2019-09-20 13:04:41,442 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (and .cse1 .cse3 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:41,442 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-09-20 13:04:41,442 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2019-09-20 13:04:41,443 INFO L439 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (and .cse0 .cse1 .cse2) .cse3) (and (and (and .cse1 .cse2) (= 1 ~methaneLevelCritical~0)) .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:41,443 INFO L439 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (and .cse1 .cse3 .cse2 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:41,443 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-09-20 13:04:41,443 INFO L443 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2019-09-20 13:04:41,443 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-09-20 13:04:41,444 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2019-09-20 13:04:41,444 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 380 425) no Hoare annotation was computed. [2019-09-20 13:04:41,444 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 380 425) no Hoare annotation was computed. [2019-09-20 13:04:41,444 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 380 425) no Hoare annotation was computed. [2019-09-20 13:04:41,444 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 407) no Hoare annotation was computed. [2019-09-20 13:04:41,444 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 414) no Hoare annotation was computed. [2019-09-20 13:04:41,444 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 394 414) no Hoare annotation was computed. [2019-09-20 13:04:41,445 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-09-20 13:04:41,445 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2019-09-20 13:04:41,445 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2019-09-20 13:04:41,445 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2019-09-20 13:04:41,445 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2019-09-20 13:04:41,445 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2019-09-20 13:04:41,445 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 908 930) no Hoare annotation was computed. [2019-09-20 13:04:41,446 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 908 930) no Hoare annotation was computed. [2019-09-20 13:04:41,446 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 908 930) no Hoare annotation was computed. [2019-09-20 13:04:41,446 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 924) no Hoare annotation was computed. [2019-09-20 13:04:41,446 INFO L443 ceAbstractionStarter]: For program point L916-2(lines 916 924) no Hoare annotation was computed. [2019-09-20 13:04:41,446 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-09-20 13:04:41,446 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2019-09-20 13:04:41,446 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-09-20 13:04:41,446 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 277 379) no Hoare annotation was computed. [2019-09-20 13:04:41,447 INFO L443 ceAbstractionStarter]: For program point L347(lines 325 348) no Hoare annotation was computed. [2019-09-20 13:04:41,447 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 322) no Hoare annotation was computed. [2019-09-20 13:04:41,447 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2019-09-20 13:04:41,447 INFO L443 ceAbstractionStarter]: For program point L327(lines 326 346) no Hoare annotation was computed. [2019-09-20 13:04:41,447 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-09-20 13:04:41,447 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 277 379) no Hoare annotation was computed. [2019-09-20 13:04:41,447 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-09-20 13:04:41,448 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 364) no Hoare annotation was computed. [2019-09-20 13:04:41,448 INFO L443 ceAbstractionStarter]: For program point L342(line 342) no Hoare annotation was computed. [2019-09-20 13:04:41,448 INFO L443 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2019-09-20 13:04:41,448 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 277 379) no Hoare annotation was computed. [2019-09-20 13:04:41,448 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-09-20 13:04:41,448 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 376) no Hoare annotation was computed. [2019-09-20 13:04:41,448 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-09-20 13:04:41,448 INFO L443 ceAbstractionStarter]: For program point L326-2(lines 326 346) no Hoare annotation was computed. [2019-09-20 13:04:41,449 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:41,449 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)) [2019-09-20 13:04:41,449 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:41,449 INFO L439 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2019-09-20 13:04:41,449 INFO L443 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2019-09-20 13:04:41,449 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2019-09-20 13:04:41,450 INFO L443 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-09-20 13:04:41,450 INFO L439 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:41,450 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:41,450 INFO L443 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2019-09-20 13:04:41,450 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2019-09-20 13:04:41,450 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-09-20 13:04:41,451 INFO L446 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2019-09-20 13:04:41,451 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2019-09-20 13:04:41,451 INFO L443 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-09-20 13:04:41,451 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2019-09-20 13:04:41,451 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2019-09-20 13:04:41,451 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 931 939) no Hoare annotation was computed. [2019-09-20 13:04:41,451 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 931 939) no Hoare annotation was computed. [2019-09-20 13:04:41,452 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 931 939) no Hoare annotation was computed. [2019-09-20 13:04:41,452 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:41,452 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:04:41,452 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:41,452 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= 1 ~methaneLevelCritical~0) (not (<= 1 ~waterLevel~0)) .cse1) (or (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) .cse3) (or .cse3 (or (not (<= 2 ~waterLevel~0)) .cse1 .cse2)))) [2019-09-20 13:04:41,452 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2019-09-20 13:04:41,452 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2019-09-20 13:04:41,453 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2019-09-20 13:04:41,453 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2019-09-20 13:04:41,453 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2019-09-20 13:04:41,453 INFO L439 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse7 (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or (or .cse0 .cse4 .cse3) (and .cse5 .cse6)) (or (and .cse5 .cse7) (and .cse1 .cse5 .cse6) (or .cse4 .cse3 .cse8)) (or (or .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse8) .cse2)))) [2019-09-20 13:04:41,453 INFO L439 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse9)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (and .cse9 .cse10))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse3 .cse7 .cse8) (or .cse5 (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse4 .cse6 .cse3 .cse8)))) [2019-09-20 13:04:41,454 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse7 (= ~pumpRunning~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (or .cse5 .cse3 .cse6)) (or (or .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse6) .cse2) (or .cse4 (or .cse0 .cse5 .cse3))))) [2019-09-20 13:04:41,454 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse3 .cse4)) (or .cse5 (or .cse0 .cse6 .cse3)))) [2019-09-20 13:04:41,454 INFO L443 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2019-09-20 13:04:41,454 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2019-09-20 13:04:41,454 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2019-09-20 13:04:41,454 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2019-09-20 13:04:41,455 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2019-09-20 13:04:41,455 INFO L446 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2019-09-20 13:04:41,455 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-09-20 13:04:41,455 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-09-20 13:04:41,455 INFO L446 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2019-09-20 13:04:41,455 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-09-20 13:04:41,455 INFO L446 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2019-09-20 13:04:41,455 INFO L446 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2019-09-20 13:04:41,456 INFO L443 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2019-09-20 13:04:41,456 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (or .cse2 .cse3)) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3)))) [2019-09-20 13:04:41,456 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2019-09-20 13:04:41,456 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2019-09-20 13:04:41,456 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2019-09-20 13:04:41,456 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2019-09-20 13:04:41,456 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:41,456 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)) [2019-09-20 13:04:41,457 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:41,457 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:41,457 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2) (or .cse1 (or .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3)) (or (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3) .cse1))) [2019-09-20 13:04:41,457 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2019-09-20 13:04:41,457 INFO L439 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:41,457 INFO L443 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2019-09-20 13:04:41,458 INFO L439 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~pumpRunning~0 0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3)) (or (or .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 (not (<= 1 ~waterLevel~0)) .cse2))) [2019-09-20 13:04:41,458 INFO L439 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2019-09-20 13:04:41,458 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2019-09-20 13:04:41,458 INFO L439 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse2) (or .cse1 (or .cse0 (not (<= 2 ~waterLevel~0)) .cse2 .cse3)) (or (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3) .cse1))) [2019-09-20 13:04:41,458 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-09-20 13:04:41,458 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2019-09-20 13:04:41,458 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2019-09-20 13:04:41,459 INFO L443 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2019-09-20 13:04:41,459 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (or .cse4 .cse5)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse0 .cse3 .cse5 .cse6) (or .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse0 .cse6)))) [2019-09-20 13:04:41,459 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2019-09-20 13:04:41,459 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2019-09-20 13:04:41,459 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2019-09-20 13:04:41,459 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-09-20 13:04:41,459 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-09-20 13:04:41,460 INFO L439 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse0))) [2019-09-20 13:04:41,460 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-09-20 13:04:41,460 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-09-20 13:04:41,460 INFO L439 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1))) [2019-09-20 13:04:41,460 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-09-20 13:04:41,460 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-09-20 13:04:41,460 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-09-20 13:04:41,461 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-09-20 13:04:41,461 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-09-20 13:04:41,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:04:41 BoogieIcfgContainer [2019-09-20 13:04:41,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:04:41,477 INFO L168 Benchmark]: Toolchain (without parser) took 18221.01 ms. Allocated memory was 138.4 MB in the beginning and 525.9 MB in the end (delta: 387.4 MB). Free memory was 85.0 MB in the beginning and 107.5 MB in the end (delta: -22.5 MB). Peak memory consumption was 365.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:41,478 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:04:41,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.75 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.8 MB in the beginning and 160.6 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:41,480 INFO L168 Benchmark]: Boogie Preprocessor took 101.57 ms. Allocated memory is still 198.7 MB. Free memory was 160.6 MB in the beginning and 156.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:41,481 INFO L168 Benchmark]: RCFGBuilder took 1225.90 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 156.8 MB in the beginning and 185.1 MB in the end (delta: -28.2 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:41,482 INFO L168 Benchmark]: TraceAbstraction took 16180.79 ms. Allocated memory was 220.2 MB in the beginning and 525.9 MB in the end (delta: 305.7 MB). Free memory was 185.1 MB in the beginning and 107.5 MB in the end (delta: 77.6 MB). Peak memory consumption was 383.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:41,486 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.75 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.8 MB in the beginning and 160.6 MB in the end (delta: -75.8 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.57 ms. Allocated memory is still 198.7 MB. Free memory was 160.6 MB in the beginning and 156.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1225.90 ms. Allocated memory was 198.7 MB in the beginning and 220.2 MB in the end (delta: 21.5 MB). Free memory was 156.8 MB in the beginning and 185.1 MB in the end (delta: -28.2 MB). Peak memory consumption was 90.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16180.79 ms. Allocated memory was 220.2 MB in the beginning and 525.9 MB in the end (delta: 305.7 MB). Free memory was 185.1 MB in the beginning and 107.5 MB in the end (delta: 77.6 MB). Peak memory consumption was 383.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel)) || !(systemActive == 1)) || (((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. SAFE Result, 16.0s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 7.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2373 SDtfs, 2347 SDslu, 6869 SDs, 0 SdLazy, 4536 SolverSat, 1091 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1729occurred 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: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 457 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2407 PreInvPairs, 2476 NumberOfFragments, 1919 HoareAnnotationTreeSize, 2407 FomulaSimplifications, 7646 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 10257 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 314408 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2538 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 183/193 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...