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-efa34d5 [2019-09-16 16:34:10,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:34:10,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:34:10,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:34:10,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:34:10,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:34:10,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:34:10,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:34:10,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:34:10,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:34:10,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:34:10,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:34:10,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:34:10,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:34:10,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:34:10,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:34:10,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:34:10,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:34:10,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:34:10,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:34:10,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:34:10,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:34:10,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:34:10,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:34:10,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:34:10,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:34:10,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:34:10,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:34:10,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:34:10,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:34:10,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:34:10,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:34:10,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:34:10,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:34:10,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:34:10,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:34:10,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:34:10,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:34:10,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:34:10,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:34:10,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:34:10,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-16 16:34:10,306 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:34:10,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:34:10,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:34:10,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:34:10,309 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:34:10,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:34:10,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:34:10,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:34:10,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:34:10,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:34:10,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:34:10,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:34:10,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:34:10,313 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:34:10,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:34:10,313 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:34:10,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:34:10,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:34:10,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:34:10,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:34:10,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:34:10,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:34:10,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:34:10,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:34:10,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:34:10,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:34:10,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:34:10,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:34:10,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:34:10,365 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:34:10,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:34:10,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:34:10,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:34:10,384 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:34:10,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-16 16:34:10,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc669f5f/06b1873778c54150935843b018b12763/FLAG39dd59b14 [2019-09-16 16:34:11,007 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:34:11,008 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-09-16 16:34:11,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc669f5f/06b1873778c54150935843b018b12763/FLAG39dd59b14 [2019-09-16 16:34:11,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcc669f5f/06b1873778c54150935843b018b12763 [2019-09-16 16:34:11,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:34:11,319 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:34:11,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:34:11,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:34:11,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:34:11,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:34:11" (1/1) ... [2019-09-16 16:34:11,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d400030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11, skipping insertion in model container [2019-09-16 16:34:11,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:34:11" (1/1) ... [2019-09-16 16:34:11,333 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:34:11,389 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:34:11,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:34:11,835 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:34:11,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:34:11,984 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:34:11,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11 WrapperNode [2019-09-16 16:34:11,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:34:11,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:34:11,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:34:11,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:34:12,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11" (1/1) ... [2019-09-16 16:34:12,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11" (1/1) ... [2019-09-16 16:34:12,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11" (1/1) ... [2019-09-16 16:34:12,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11" (1/1) ... [2019-09-16 16:34:12,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11" (1/1) ... [2019-09-16 16:34:12,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11" (1/1) ... [2019-09-16 16:34:12,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11" (1/1) ... [2019-09-16 16:34:12,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:34:12,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:34:12,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:34:12,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:34:12,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:34:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:34:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:34:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:34:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-16 16:34:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:34:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:34:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:34:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:34:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:34:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:34:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:34:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:34:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:34:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:34:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:34:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:34:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:34:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:34:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:34:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:34:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:34:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:34:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:34:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:34:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:34:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:34:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:34:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:34:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:34:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:34:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:34:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:34:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:34:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:34:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:34:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:34:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:34:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:34:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:34:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:34:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:34:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:34:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:34:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:34:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:34:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:34:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:34:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-16 16:34:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:34:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:34:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:34:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:34:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:34:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:34:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:34:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:34:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:34:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:34:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:34:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:34:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:34:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:34:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:34:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:34:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:34:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:34:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:34:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:34:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:34:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:34:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:34:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:34:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:34:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:34:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:34:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:34:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:34:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:34:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:34:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:34:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:34:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:34:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:34:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:34:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:34:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:34:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-16 16:34:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:34:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:34:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:34:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:34:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:34:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:34:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:34:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:34:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:34:13,535 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:34:13,535 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:34:13,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:34:13 BoogieIcfgContainer [2019-09-16 16:34:13,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:34:13,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:34:13,540 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:34:13,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:34:13,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:34:11" (1/3) ... [2019-09-16 16:34:13,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43845d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:34:13, skipping insertion in model container [2019-09-16 16:34:13,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:34:11" (2/3) ... [2019-09-16 16:34:13,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43845d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:34:13, skipping insertion in model container [2019-09-16 16:34:13,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:34:13" (3/3) ... [2019-09-16 16:34:13,549 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-09-16 16:34:13,559 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:34:13,570 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:34:13,582 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:34:13,611 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:34:13,612 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:34:13,612 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:34:13,612 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:34:13,613 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:34:13,613 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:34:13,613 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:34:13,613 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:34:13,613 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:34:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2019-09-16 16:34:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 16:34:13,661 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:13,663 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] [2019-09-16 16:34:13,668 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:13,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:13,675 INFO L82 PathProgramCache]: Analyzing trace with hash 135364863, now seen corresponding path program 1 times [2019-09-16 16:34:13,677 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:13,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:13,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:13,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:13,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:34:14,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:14,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:34:14,066 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:34:14,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:34:14,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:34:14,090 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2019-09-16 16:34:14,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:14,145 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2019-09-16 16:34:14,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:34:14,147 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 16:34:14,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:14,171 INFO L225 Difference]: With dead ends: 280 [2019-09-16 16:34:14,171 INFO L226 Difference]: Without dead ends: 140 [2019-09-16 16:34:14,179 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:34:14,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-09-16 16:34:14,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-09-16 16:34:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-09-16 16:34:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-09-16 16:34:14,292 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2019-09-16 16:34:14,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:14,295 INFO L475 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-09-16 16:34:14,295 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:34:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-09-16 16:34:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 16:34:14,300 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:14,300 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] [2019-09-16 16:34:14,300 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:14,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:14,302 INFO L82 PathProgramCache]: Analyzing trace with hash 327228860, now seen corresponding path program 1 times [2019-09-16 16:34:14,302 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:14,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:14,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:14,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:14,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:14,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:34:14,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:14,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:34:14,447 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:34:14,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:34:14,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:34:14,448 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2019-09-16 16:34:14,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:14,495 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2019-09-16 16:34:14,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:34:14,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 16:34:14,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:14,501 INFO L225 Difference]: With dead ends: 229 [2019-09-16 16:34:14,503 INFO L226 Difference]: Without dead ends: 131 [2019-09-16 16:34:14,505 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:34:14,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-16 16:34:14,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-16 16:34:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-16 16:34:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2019-09-16 16:34:14,531 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2019-09-16 16:34:14,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:14,531 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2019-09-16 16:34:14,532 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:34:14,532 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2019-09-16 16:34:14,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 16:34:14,534 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:14,534 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:34:14,534 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:14,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:14,535 INFO L82 PathProgramCache]: Analyzing trace with hash -207054876, now seen corresponding path program 1 times [2019-09-16 16:34:14,535 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:14,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:14,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:14,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:14,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:34:14,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:14,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:34:14,703 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:34:14,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:34:14,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:34:14,704 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2019-09-16 16:34:15,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:15,113 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2019-09-16 16:34:15,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:34:15,114 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-16 16:34:15,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:15,116 INFO L225 Difference]: With dead ends: 238 [2019-09-16 16:34:15,116 INFO L226 Difference]: Without dead ends: 131 [2019-09-16 16:34:15,118 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 [2019-09-16 16:34:15,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-09-16 16:34:15,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-09-16 16:34:15,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-09-16 16:34:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2019-09-16 16:34:15,132 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2019-09-16 16:34:15,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:15,133 INFO L475 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2019-09-16 16:34:15,133 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:34:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2019-09-16 16:34:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-16 16:34:15,136 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:15,136 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] [2019-09-16 16:34:15,136 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:15,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:15,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1468702982, now seen corresponding path program 1 times [2019-09-16 16:34:15,137 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:15,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:15,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:15,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:15,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:34:15,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:15,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:34:15,356 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:34:15,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:34:15,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:34:15,356 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2019-09-16 16:34:15,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:15,887 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2019-09-16 16:34:15,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:34:15,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-16 16:34:15,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:15,897 INFO L225 Difference]: With dead ends: 334 [2019-09-16 16:34:15,897 INFO L226 Difference]: Without dead ends: 227 [2019-09-16 16:34:15,899 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 [2019-09-16 16:34:15,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2019-09-16 16:34:15,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2019-09-16 16:34:15,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-09-16 16:34:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2019-09-16 16:34:15,939 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2019-09-16 16:34:15,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:15,940 INFO L475 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2019-09-16 16:34:15,940 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:34:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2019-09-16 16:34:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-16 16:34:15,943 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:15,943 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] [2019-09-16 16:34:15,943 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:15,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:15,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1930431345, now seen corresponding path program 1 times [2019-09-16 16:34:15,944 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:15,944 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:15,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:15,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:15,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:16,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:34:16,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:16,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:34:16,102 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:34:16,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:34:16,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:34:16,103 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2019-09-16 16:34:16,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:16,345 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2019-09-16 16:34:16,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:34:16,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-09-16 16:34:16,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:16,350 INFO L225 Difference]: With dead ends: 564 [2019-09-16 16:34:16,350 INFO L226 Difference]: Without dead ends: 379 [2019-09-16 16:34:16,352 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:34:16,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-09-16 16:34:16,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2019-09-16 16:34:16,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-09-16 16:34:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2019-09-16 16:34:16,391 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2019-09-16 16:34:16,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:16,392 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2019-09-16 16:34:16,392 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:34:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2019-09-16 16:34:16,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-16 16:34:16,394 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:16,395 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] [2019-09-16 16:34:16,395 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:16,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:16,395 INFO L82 PathProgramCache]: Analyzing trace with hash -613018165, now seen corresponding path program 1 times [2019-09-16 16:34:16,395 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:16,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:16,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:16,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:16,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:34:16,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:16,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:34:16,536 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:34:16,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:34:16,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:34:16,537 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2019-09-16 16:34:17,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:17,170 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2019-09-16 16:34:17,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 16:34:17,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-09-16 16:34:17,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:17,174 INFO L225 Difference]: With dead ends: 406 [2019-09-16 16:34:17,174 INFO L226 Difference]: Without dead ends: 403 [2019-09-16 16:34:17,175 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:34:17,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-09-16 16:34:17,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2019-09-16 16:34:17,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-09-16 16:34:17,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-09-16 16:34:17,204 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2019-09-16 16:34:17,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:17,205 INFO L475 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-09-16 16:34:17,205 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:34:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-09-16 16:34:17,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-16 16:34:17,207 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:17,208 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] [2019-09-16 16:34:17,208 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:17,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:17,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1664141551, now seen corresponding path program 1 times [2019-09-16 16:34:17,208 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:17,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:17,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:17,211 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:17,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:34:17,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:17,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:34:17,279 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:34:17,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:34:17,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:34:17,279 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2019-09-16 16:34:17,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:17,321 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2019-09-16 16:34:17,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:34:17,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-09-16 16:34:17,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:17,325 INFO L225 Difference]: With dead ends: 736 [2019-09-16 16:34:17,326 INFO L226 Difference]: Without dead ends: 387 [2019-09-16 16:34:17,327 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:34:17,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-09-16 16:34:17,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2019-09-16 16:34:17,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-16 16:34:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2019-09-16 16:34:17,352 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2019-09-16 16:34:17,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:17,353 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2019-09-16 16:34:17,353 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:34:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2019-09-16 16:34:17,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-16 16:34:17,355 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:17,355 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] [2019-09-16 16:34:17,356 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:17,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:17,356 INFO L82 PathProgramCache]: Analyzing trace with hash -770655213, now seen corresponding path program 1 times [2019-09-16 16:34:17,356 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:17,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:17,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:17,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:17,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:34:17,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:17,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 16:34:17,476 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:34:17,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:34:17,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:34:17,476 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2019-09-16 16:34:17,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:17,521 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2019-09-16 16:34:17,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:34:17,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-09-16 16:34:17,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:17,529 INFO L225 Difference]: With dead ends: 756 [2019-09-16 16:34:17,529 INFO L226 Difference]: Without dead ends: 397 [2019-09-16 16:34:17,531 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:34:17,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-09-16 16:34:17,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2019-09-16 16:34:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-09-16 16:34:17,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2019-09-16 16:34:17,554 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2019-09-16 16:34:17,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:17,554 INFO L475 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2019-09-16 16:34:17,555 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:34:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2019-09-16 16:34:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-09-16 16:34:17,556 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:17,557 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] [2019-09-16 16:34:17,557 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:17,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:17,557 INFO L82 PathProgramCache]: Analyzing trace with hash -778414572, now seen corresponding path program 1 times [2019-09-16 16:34:17,557 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:17,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:17,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:17,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:17,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:34:17,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:17,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:34:17,628 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:34:17,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:34:17,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:34:17,629 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2019-09-16 16:34:17,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:17,851 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2019-09-16 16:34:17,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:34:17,851 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-09-16 16:34:17,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:17,856 INFO L225 Difference]: With dead ends: 1153 [2019-09-16 16:34:17,857 INFO L226 Difference]: Without dead ends: 786 [2019-09-16 16:34:17,858 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:34:17,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-09-16 16:34:17,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2019-09-16 16:34:17,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2019-09-16 16:34:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2019-09-16 16:34:17,909 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2019-09-16 16:34:17,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:17,909 INFO L475 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2019-09-16 16:34:17,909 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:34:17,909 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2019-09-16 16:34:17,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-09-16 16:34:17,912 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:17,912 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] [2019-09-16 16:34:17,912 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:17,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:17,913 INFO L82 PathProgramCache]: Analyzing trace with hash 469491758, now seen corresponding path program 1 times [2019-09-16 16:34:17,913 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:17,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:17,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:17,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:17,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 16:34:18,039 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:34:18,039 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:34:18,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:18,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-16 16:34:18,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:34:18,510 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 [2019-09-16 16:34:18,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:34:18,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-16 16:34:18,518 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-16 16:34:18,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-16 16:34:18,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:34:18,519 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 19 states. [2019-09-16 16:34:19,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:19,880 INFO L93 Difference]: Finished difference Result 1488 states and 1759 transitions. [2019-09-16 16:34:19,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-16 16:34:19,881 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2019-09-16 16:34:19,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:19,886 INFO L225 Difference]: With dead ends: 1488 [2019-09-16 16:34:19,886 INFO L226 Difference]: Without dead ends: 741 [2019-09-16 16:34:19,890 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 [2019-09-16 16:34:19,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2019-09-16 16:34:19,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2019-09-16 16:34:19,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2019-09-16 16:34:19,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 852 transitions. [2019-09-16 16:34:19,935 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 852 transitions. Word has length 102 [2019-09-16 16:34:19,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:19,935 INFO L475 AbstractCegarLoop]: Abstraction has 741 states and 852 transitions. [2019-09-16 16:34:19,936 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-16 16:34:19,936 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 852 transitions. [2019-09-16 16:34:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-16 16:34:19,940 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:19,940 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] [2019-09-16 16:34:19,941 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:19,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:19,941 INFO L82 PathProgramCache]: Analyzing trace with hash -102866443, now seen corresponding path program 1 times [2019-09-16 16:34:19,941 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:19,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:19,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:19,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:19,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:20,107 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-16 16:34:20,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:34:20,108 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:34:20,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:20,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-16 16:34:20,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:34:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:34:20,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:34:20,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-16 16:34:20,387 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:34:20,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:34:20,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:34:20,388 INFO L87 Difference]: Start difference. First operand 741 states and 852 transitions. Second operand 6 states. [2019-09-16 16:34:21,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:21,088 INFO L93 Difference]: Finished difference Result 1605 states and 1938 transitions. [2019-09-16 16:34:21,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:34:21,089 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2019-09-16 16:34:21,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:21,095 INFO L225 Difference]: With dead ends: 1605 [2019-09-16 16:34:21,096 INFO L226 Difference]: Without dead ends: 1008 [2019-09-16 16:34:21,098 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 [2019-09-16 16:34:21,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2019-09-16 16:34:21,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 913. [2019-09-16 16:34:21,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2019-09-16 16:34:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1068 transitions. [2019-09-16 16:34:21,169 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1068 transitions. Word has length 159 [2019-09-16 16:34:21,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:21,170 INFO L475 AbstractCegarLoop]: Abstraction has 913 states and 1068 transitions. [2019-09-16 16:34:21,170 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:34:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1068 transitions. [2019-09-16 16:34:21,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-16 16:34:21,174 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:21,175 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] [2019-09-16 16:34:21,175 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:21,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:21,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1698521745, now seen corresponding path program 1 times [2019-09-16 16:34:21,176 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:21,176 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:21,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:21,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:21,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-16 16:34:21,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:34:21,478 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:34:21,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:21,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-16 16:34:21,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:34:21,827 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:34:21,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:34:21,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-16 16:34:21,837 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:34:21,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:34:21,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:34:21,838 INFO L87 Difference]: Start difference. First operand 913 states and 1068 transitions. Second operand 16 states. [2019-09-16 16:34:24,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:24,445 INFO L93 Difference]: Finished difference Result 2777 states and 3546 transitions. [2019-09-16 16:34:24,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-16 16:34:24,446 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2019-09-16 16:34:24,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:24,463 INFO L225 Difference]: With dead ends: 2777 [2019-09-16 16:34:24,463 INFO L226 Difference]: Without dead ends: 2012 [2019-09-16 16:34:24,468 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2019-09-16 16:34:24,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2012 states. [2019-09-16 16:34:24,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2012 to 1729. [2019-09-16 16:34:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1729 states. [2019-09-16 16:34:24,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2019 transitions. [2019-09-16 16:34:24,632 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2019 transitions. Word has length 155 [2019-09-16 16:34:24,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:24,633 INFO L475 AbstractCegarLoop]: Abstraction has 1729 states and 2019 transitions. [2019-09-16 16:34:24,633 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:34:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2019 transitions. [2019-09-16 16:34:24,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-16 16:34:24,638 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:34:24,638 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] [2019-09-16 16:34:24,638 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:34:24,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:34:24,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1973281359, now seen corresponding path program 1 times [2019-09-16 16:34:24,639 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:34:24,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:34:24,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:24,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:34:24,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:34:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:34:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-09-16 16:34:24,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:34:24,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 16:34:24,786 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:34:24,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:34:24,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:34:24,787 INFO L87 Difference]: Start difference. First operand 1729 states and 2019 transitions. Second operand 9 states. [2019-09-16 16:34:24,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:34:24,867 INFO L93 Difference]: Finished difference Result 2139 states and 2492 transitions. [2019-09-16 16:34:24,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:34:24,867 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-09-16 16:34:24,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:34:24,869 INFO L225 Difference]: With dead ends: 2139 [2019-09-16 16:34:24,870 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:34:24,876 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:34:24,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:34:24,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:34:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:34:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:34:24,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-09-16 16:34:24,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:34:24,878 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:34:24,878 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:34:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:34:24,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:34:24,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:34:25,778 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 19 [2019-09-16 16:34:26,108 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-09-16 16:34:26,379 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2019-09-16 16:34:26,588 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-09-16 16:34:26,905 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2019-09-16 16:34:27,045 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-09-16 16:34:27,163 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2019-09-16 16:34:27,479 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-09-16 16:34:27,596 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2019-09-16 16:34:27,749 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2019-09-16 16:34:27,936 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-09-16 16:34:28,192 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2019-09-16 16:34:28,431 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 32 [2019-09-16 16:34:28,710 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2019-09-16 16:34:28,843 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2019-09-16 16:34:29,080 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-09-16 16:34:29,565 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2019-09-16 16:34:29,775 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 194) no Hoare annotation was computed. [2019-09-16 16:34:29,775 INFO L443 ceAbstractionStarter]: For program point L190-1(lines 190 194) no Hoare annotation was computed. [2019-09-16 16:34:29,775 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-09-16 16:34:29,775 INFO L443 ceAbstractionStarter]: For program point L184-2(lines 184 205) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 159 214) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point L206(lines 183 207) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 159 214) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 159 214) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 215 274) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point L242(line 242) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 266) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 215 274) no Hoare annotation was computed. [2019-09-16 16:34:29,776 INFO L443 ceAbstractionStarter]: For program point L267(lines 240 268) no Hoare annotation was computed. [2019-09-16 16:34:29,777 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 215 274) no Hoare annotation was computed. [2019-09-16 16:34:29,777 INFO L443 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2019-09-16 16:34:29,777 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-09-16 16:34:29,777 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2019-09-16 16:34:29,777 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2019-09-16 16:34:29,777 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2019-09-16 16:34:29,777 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2019-09-16 16:34:29,777 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2019-09-16 16:34:29,777 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))) [2019-09-16 16:34:29,778 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2019-09-16 16:34:29,778 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))) [2019-09-16 16:34:29,778 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))) [2019-09-16 16:34:29,778 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2019-09-16 16:34:29,778 INFO L443 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2019-09-16 16:34:29,778 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2019-09-16 16:34:29,778 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-09-16 16:34:29,779 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))) [2019-09-16 16:34:29,779 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))) [2019-09-16 16:34:29,779 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))) [2019-09-16 16:34:29,779 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-09-16 16:34:29,779 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-09-16 16:34:29,779 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 795 818) no Hoare annotation was computed. [2019-09-16 16:34:29,780 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 795 818) no Hoare annotation was computed. [2019-09-16 16:34:29,780 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 795 818) no Hoare annotation was computed. [2019-09-16 16:34:29,780 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-09-16 16:34:29,780 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-09-16 16:34:29,780 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-09-16 16:34:29,780 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-09-16 16:34:29,780 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-09-16 16:34:29,780 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-09-16 16:34:29,781 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-09-16 16:34:29,781 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-09-16 16:34:29,781 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-09-16 16:34:29,781 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-09-16 16:34:29,781 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-09-16 16:34:29,781 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-09-16 16:34:29,781 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2019-09-16 16:34:29,781 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2019-09-16 16:34:29,781 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2019-09-16 16:34:29,782 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2019-09-16 16:34:29,782 INFO L446 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2019-09-16 16:34:29,782 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2019-09-16 16:34:29,782 INFO L443 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2019-09-16 16:34:29,782 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2019-09-16 16:34:29,782 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2019-09-16 16:34:29,782 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2019-09-16 16:34:29,782 INFO L443 ceAbstractionStarter]: For program point L696(lines 696 704) no Hoare annotation was computed. [2019-09-16 16:34:29,782 INFO L443 ceAbstractionStarter]: For program point L696-2(lines 696 704) no Hoare annotation was computed. [2019-09-16 16:34:29,783 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-09-16 16:34:29,783 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 689 724) no Hoare annotation was computed. [2019-09-16 16:34:29,783 INFO L443 ceAbstractionStarter]: For program point L719-1(line 719) no Hoare annotation was computed. [2019-09-16 16:34:29,783 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 689 724) no Hoare annotation was computed. [2019-09-16 16:34:29,783 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 716) no Hoare annotation was computed. [2019-09-16 16:34:29,783 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 689 724) no Hoare annotation was computed. [2019-09-16 16:34:29,783 INFO L443 ceAbstractionStarter]: For program point L708-2(lines 708 716) no Hoare annotation was computed. [2019-09-16 16:34:29,784 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2019-09-16 16:34:29,784 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2019-09-16 16:34:29,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 113 158) no Hoare annotation was computed. [2019-09-16 16:34:29,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 113 158) no Hoare annotation was computed. [2019-09-16 16:34:29,784 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 113 158) no Hoare annotation was computed. [2019-09-16 16:34:29,784 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 453) no Hoare annotation was computed. [2019-09-16 16:34:29,784 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 426 471) no Hoare annotation was computed. [2019-09-16 16:34:29,784 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 460) no Hoare annotation was computed. [2019-09-16 16:34:29,784 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 460) no Hoare annotation was computed. [2019-09-16 16:34:29,785 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 426 471) no Hoare annotation was computed. [2019-09-16 16:34:29,785 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 426 471) no Hoare annotation was computed. [2019-09-16 16:34:29,785 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))) [2019-09-16 16:34:29,785 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2019-09-16 16:34:29,785 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2019-09-16 16:34:29,785 INFO L443 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2019-09-16 16:34:29,785 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2019-09-16 16:34:29,785 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2019-09-16 16:34:29,786 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2019-09-16 16:34:29,786 INFO L446 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2019-09-16 16:34:29,786 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))) [2019-09-16 16:34:29,786 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2019-09-16 16:34:29,786 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2019-09-16 16:34:29,786 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-09-16 16:34:29,786 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2019-09-16 16:34:29,786 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2019-09-16 16:34:29,787 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2019-09-16 16:34:29,787 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2019-09-16 16:34:29,787 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))) [2019-09-16 16:34:29,787 INFO L443 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2019-09-16 16:34:29,787 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))))) [2019-09-16 16:34:29,787 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))))) [2019-09-16 16:34:29,787 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))) [2019-09-16 16:34:29,787 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2019-09-16 16:34:29,788 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))) [2019-09-16 16:34:29,788 INFO L443 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2019-09-16 16:34:29,788 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2019-09-16 16:34:29,788 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2019-09-16 16:34:29,788 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2019-09-16 16:34:29,788 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))) [2019-09-16 16:34:29,788 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2019-09-16 16:34:29,788 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))) [2019-09-16 16:34:29,788 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2019-09-16 16:34:29,788 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)))) [2019-09-16 16:34:29,789 INFO L443 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2019-09-16 16:34:29,789 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2019-09-16 16:34:29,789 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)))) [2019-09-16 16:34:29,789 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2019-09-16 16:34:29,789 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2019-09-16 16:34:29,789 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)))) [2019-09-16 16:34:29,789 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)))) [2019-09-16 16:34:29,789 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-09-16 16:34:29,789 INFO L443 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2019-09-16 16:34:29,789 INFO L443 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2019-09-16 16:34:29,790 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2019-09-16 16:34:29,790 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 380 425) no Hoare annotation was computed. [2019-09-16 16:34:29,790 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 380 425) no Hoare annotation was computed. [2019-09-16 16:34:29,790 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 380 425) no Hoare annotation was computed. [2019-09-16 16:34:29,790 INFO L443 ceAbstractionStarter]: For program point L400(lines 400 407) no Hoare annotation was computed. [2019-09-16 16:34:29,790 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 414) no Hoare annotation was computed. [2019-09-16 16:34:29,790 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 394 414) no Hoare annotation was computed. [2019-09-16 16:34:29,790 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)) [2019-09-16 16:34:29,790 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 908 930) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 908 930) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 908 930) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 924) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point L916-2(lines 916 924) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2019-09-16 16:34:29,791 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 277 379) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point L347(lines 325 348) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 322) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 373) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point L327(lines 326 346) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 277 379) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 364) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point L342(line 342) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2019-09-16 16:34:29,792 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 277 379) no Hoare annotation was computed. [2019-09-16 16:34:29,793 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-09-16 16:34:29,793 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 376) no Hoare annotation was computed. [2019-09-16 16:34:29,793 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-09-16 16:34:29,793 INFO L443 ceAbstractionStarter]: For program point L326-2(lines 326 346) no Hoare annotation was computed. [2019-09-16 16:34:29,793 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:34:29,793 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-16 16:34:29,793 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:34:29,793 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))) [2019-09-16 16:34:29,794 INFO L443 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2019-09-16 16:34:29,794 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2019-09-16 16:34:29,794 INFO L443 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2019-09-16 16:34:29,794 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))) [2019-09-16 16:34:29,794 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))) [2019-09-16 16:34:29,794 INFO L443 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2019-09-16 16:34:29,794 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2019-09-16 16:34:29,794 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-09-16 16:34:29,795 INFO L446 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2019-09-16 16:34:29,795 INFO L443 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2019-09-16 16:34:29,795 INFO L443 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2019-09-16 16:34:29,795 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2019-09-16 16:34:29,795 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2019-09-16 16:34:29,795 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 931 939) no Hoare annotation was computed. [2019-09-16 16:34:29,795 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 931 939) no Hoare annotation was computed. [2019-09-16 16:34:29,795 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 931 939) no Hoare annotation was computed. [2019-09-16 16:34:29,796 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:34:29,796 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:34:29,796 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:34:29,796 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)))) [2019-09-16 16:34:29,796 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2019-09-16 16:34:29,796 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2019-09-16 16:34:29,796 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2019-09-16 16:34:29,796 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2019-09-16 16:34:29,796 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2019-09-16 16:34:29,797 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)))) [2019-09-16 16:34:29,797 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)))) [2019-09-16 16:34:29,797 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))))) [2019-09-16 16:34:29,797 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)))) [2019-09-16 16:34:29,797 INFO L443 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2019-09-16 16:34:29,798 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2019-09-16 16:34:29,798 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2019-09-16 16:34:29,798 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2019-09-16 16:34:29,798 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2019-09-16 16:34:29,798 INFO L446 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2019-09-16 16:34:29,798 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-09-16 16:34:29,798 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2019-09-16 16:34:29,798 INFO L446 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2019-09-16 16:34:29,799 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-09-16 16:34:29,799 INFO L446 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2019-09-16 16:34:29,799 INFO L446 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2019-09-16 16:34:29,799 INFO L443 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2019-09-16 16:34:29,799 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)))) [2019-09-16 16:34:29,799 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2019-09-16 16:34:29,799 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2019-09-16 16:34:29,799 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2019-09-16 16:34:29,799 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2019-09-16 16:34:29,800 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:34:29,800 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)) [2019-09-16 16:34:29,800 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:34:29,800 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:34:29,800 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))) [2019-09-16 16:34:29,800 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2019-09-16 16:34:29,800 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))))) [2019-09-16 16:34:29,801 INFO L443 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2019-09-16 16:34:29,801 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))) [2019-09-16 16:34:29,801 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))) [2019-09-16 16:34:29,801 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2019-09-16 16:34:29,801 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))) [2019-09-16 16:34:29,801 INFO L443 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2019-09-16 16:34:29,801 INFO L443 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2019-09-16 16:34:29,801 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2019-09-16 16:34:29,802 INFO L443 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2019-09-16 16:34:29,802 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)))) [2019-09-16 16:34:29,802 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2019-09-16 16:34:29,802 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2019-09-16 16:34:29,802 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2019-09-16 16:34:29,802 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-09-16 16:34:29,802 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2019-09-16 16:34:29,802 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))) [2019-09-16 16:34:29,802 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2019-09-16 16:34:29,802 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2019-09-16 16:34:29,802 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))) [2019-09-16 16:34:29,803 INFO L443 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2019-09-16 16:34:29,803 INFO L443 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2019-09-16 16:34:29,803 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2019-09-16 16:34:29,803 INFO L446 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2019-09-16 16:34:29,803 INFO L443 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2019-09-16 16:34:29,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:34:29 BoogieIcfgContainer [2019-09-16 16:34:29,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:34:29,820 INFO L168 Benchmark]: Toolchain (without parser) took 18501.06 ms. Allocated memory was 140.0 MB in the beginning and 509.6 MB in the end (delta: 369.6 MB). Free memory was 85.2 MB in the beginning and 402.0 MB in the end (delta: -316.8 MB). Peak memory consumption was 379.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:34:29,821 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:34:29,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.36 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.0 MB in the beginning and 164.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:34:29,823 INFO L168 Benchmark]: Boogie Preprocessor took 89.95 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:34:29,824 INFO L168 Benchmark]: RCFGBuilder took 1463.00 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 160.1 MB in the beginning and 189.8 MB in the end (delta: -29.7 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-09-16 16:34:29,825 INFO L168 Benchmark]: TraceAbstraction took 16278.57 ms. Allocated memory was 224.9 MB in the beginning and 509.6 MB in the end (delta: 284.7 MB). Free memory was 189.8 MB in the beginning and 402.0 MB in the end (delta: -212.3 MB). Peak memory consumption was 399.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:34:29,829 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 140.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 665.36 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.0 MB in the beginning and 164.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.95 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 160.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1463.00 ms. Allocated memory was 199.8 MB in the beginning and 224.9 MB in the end (delta: 25.2 MB). Free memory was 160.1 MB in the beginning and 189.8 MB in the end (delta: -29.7 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16278.57 ms. Allocated memory was 224.9 MB in the beginning and 509.6 MB in the end (delta: 284.7 MB). Free memory was 189.8 MB in the beginning and 402.0 MB in the end (delta: -212.3 MB). Peak memory consumption was 399.3 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, 16.1s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 7.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2373 SDtfs, 2347 SDslu, 6867 SDs, 0 SdLazy, 4534 SolverSat, 1091 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 585 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.4s 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: 0.6s 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, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s 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...