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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:40,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:40,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:40,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:40,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:40,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:40,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:40,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:40,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:40,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:40,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:40,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:40,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:40,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:40,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:40,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:40,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:40,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:40,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:40,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:40,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:40,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:40,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:40,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:40,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:40,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:40,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:40,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:40,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:40,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:40,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:40,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:40,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:40,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:40,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:40,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:40,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:40,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:40,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:40,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:40,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:40,148 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 [2019-10-13 21:22:40,169 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:40,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:40,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:40,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:40,172 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:40,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:40,172 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:40,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:40,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:40,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:40,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:40,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:40,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:40,173 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:40,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:40,174 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:40,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:40,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:40,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:40,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:40,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:40,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:40,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:40,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:40,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:40,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:40,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:40,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:40,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:40,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:40,447 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:40,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:40,452 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:40,452 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:40,453 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2019-10-13 21:22:40,515 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21c763bfe/25e9afe878f84fa8ae60444eb918fccb/FLAG7d6c1d3ec [2019-10-13 21:22:41,137 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:41,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2019-10-13 21:22:41,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21c763bfe/25e9afe878f84fa8ae60444eb918fccb/FLAG7d6c1d3ec [2019-10-13 21:22:41,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21c763bfe/25e9afe878f84fa8ae60444eb918fccb [2019-10-13 21:22:41,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:41,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:41,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:41,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:41,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:41,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a029f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41, skipping insertion in model container [2019-10-13 21:22:41,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:41,399 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:41,439 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:41,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:41,867 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:41,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:41,986 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:41,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41 WrapperNode [2019-10-13 21:22:41,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:41,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:41,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:41,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:42,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:42,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:42,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:42,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:42,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:42,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:42,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (1/1) ... [2019-10-13 21:22:42,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:42,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:42,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:42,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:42,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (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 [2019-10-13 21:22:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:42,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:42,189 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:42,191 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:42,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:42,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:42,196 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:42,197 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:42,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:42,199 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:42,199 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:42,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:42,201 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:42,202 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:42,203 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:42,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:42,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:42,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:42,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:42,208 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:42,210 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:42,211 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:42,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:43,590 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:43,591 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:43,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:43 BoogieIcfgContainer [2019-10-13 21:22:43,593 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:43,594 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:43,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:43,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:43,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:41" (1/3) ... [2019-10-13 21:22:43,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ced792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:43, skipping insertion in model container [2019-10-13 21:22:43,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:41" (2/3) ... [2019-10-13 21:22:43,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ced792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:43, skipping insertion in model container [2019-10-13 21:22:43,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:43" (3/3) ... [2019-10-13 21:22:43,603 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2019-10-13 21:22:43,614 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:43,626 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:43,638 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:43,684 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:43,684 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:43,684 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:43,684 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:43,685 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:43,685 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:43,685 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:43,685 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:43,711 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-13 21:22:43,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:43,722 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:43,723 INFO L380 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] [2019-10-13 21:22:43,725 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:43,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:43,732 INFO L82 PathProgramCache]: Analyzing trace with hash -318385319, now seen corresponding path program 1 times [2019-10-13 21:22:43,741 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:43,742 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650697404] [2019-10-13 21:22:43,742 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,742 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:43,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,160 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650697404] [2019-10-13 21:22:44,161 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,162 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:44,162 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098226859] [2019-10-13 21:22:44,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:44,169 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:44,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:44,187 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-10-13 21:22:44,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,233 INFO L93 Difference]: Finished difference Result 264 states and 323 transitions. [2019-10-13 21:22:44,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:44,234 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:44,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,249 INFO L225 Difference]: With dead ends: 264 [2019-10-13 21:22:44,249 INFO L226 Difference]: Without dead ends: 134 [2019-10-13 21:22:44,254 INFO L600 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 [2019-10-13 21:22:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-13 21:22:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-13 21:22:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-13 21:22:44,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2019-10-13 21:22:44,316 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 59 [2019-10-13 21:22:44,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,317 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2019-10-13 21:22:44,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2019-10-13 21:22:44,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:44,321 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,322 INFO L380 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] [2019-10-13 21:22:44,322 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1634844471, now seen corresponding path program 1 times [2019-10-13 21:22:44,323 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,323 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615471784] [2019-10-13 21:22:44,323 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,323 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,489 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615471784] [2019-10-13 21:22:44,490 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,490 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:44,490 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446435610] [2019-10-13 21:22:44,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:44,492 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:44,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:44,493 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 3 states. [2019-10-13 21:22:44,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:44,516 INFO L93 Difference]: Finished difference Result 209 states and 241 transitions. [2019-10-13 21:22:44,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:44,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:44,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:44,519 INFO L225 Difference]: With dead ends: 209 [2019-10-13 21:22:44,520 INFO L226 Difference]: Without dead ends: 125 [2019-10-13 21:22:44,521 INFO L600 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 [2019-10-13 21:22:44,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-13 21:22:44,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-13 21:22:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-13 21:22:44,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2019-10-13 21:22:44,537 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 60 [2019-10-13 21:22:44,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:44,538 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2019-10-13 21:22:44,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2019-10-13 21:22:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:22:44,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:44,541 INFO L380 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] [2019-10-13 21:22:44,541 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:44,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:44,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1075077358, now seen corresponding path program 1 times [2019-10-13 21:22:44,542 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:44,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180232997] [2019-10-13 21:22:44,542 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,542 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:44,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:44,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:44,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:44,731 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180232997] [2019-10-13 21:22:44,731 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:44,731 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:44,731 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778965822] [2019-10-13 21:22:44,732 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:44,732 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:44,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:44,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:44,733 INFO L87 Difference]: Start difference. First operand 125 states and 143 transitions. Second operand 7 states. [2019-10-13 21:22:45,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,125 INFO L93 Difference]: Finished difference Result 222 states and 259 transitions. [2019-10-13 21:22:45,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:45,126 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:22:45,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,128 INFO L225 Difference]: With dead ends: 222 [2019-10-13 21:22:45,129 INFO L226 Difference]: Without dead ends: 125 [2019-10-13 21:22:45,130 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:45,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-13 21:22:45,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-13 21:22:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-13 21:22:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2019-10-13 21:22:45,164 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 65 [2019-10-13 21:22:45,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:45,166 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2019-10-13 21:22:45,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:45,167 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2019-10-13 21:22:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-13 21:22:45,197 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:45,199 INFO L380 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] [2019-10-13 21:22:45,200 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:45,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:45,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1759456211, now seen corresponding path program 1 times [2019-10-13 21:22:45,200 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:45,201 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612841879] [2019-10-13 21:22:45,201 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,201 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:45,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:45,331 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612841879] [2019-10-13 21:22:45,331 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:45,332 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:45,332 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816398128] [2019-10-13 21:22:45,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:45,333 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:45,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:45,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:45,333 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 5 states. [2019-10-13 21:22:45,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:45,873 INFO L93 Difference]: Finished difference Result 319 states and 381 transitions. [2019-10-13 21:22:45,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:45,874 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-10-13 21:22:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:45,881 INFO L225 Difference]: With dead ends: 319 [2019-10-13 21:22:45,881 INFO L226 Difference]: Without dead ends: 222 [2019-10-13 21:22:45,886 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:45,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-10-13 21:22:45,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 203. [2019-10-13 21:22:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-13 21:22:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 233 transitions. [2019-10-13 21:22:45,923 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 233 transitions. Word has length 73 [2019-10-13 21:22:45,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:45,924 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 233 transitions. [2019-10-13 21:22:45,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:45,924 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 233 transitions. [2019-10-13 21:22:45,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 21:22:45,928 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:45,928 INFO L380 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] [2019-10-13 21:22:45,929 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:45,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:45,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1988493165, now seen corresponding path program 1 times [2019-10-13 21:22:45,929 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:45,930 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356685290] [2019-10-13 21:22:45,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,930 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:45,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:46,079 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356685290] [2019-10-13 21:22:46,079 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:46,079 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:46,080 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606196412] [2019-10-13 21:22:46,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:46,081 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:46,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:46,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:46,082 INFO L87 Difference]: Start difference. First operand 203 states and 233 transitions. Second operand 7 states. [2019-10-13 21:22:46,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:46,740 INFO L93 Difference]: Finished difference Result 396 states and 468 transitions. [2019-10-13 21:22:46,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:46,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-10-13 21:22:46,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:46,743 INFO L225 Difference]: With dead ends: 396 [2019-10-13 21:22:46,743 INFO L226 Difference]: Without dead ends: 221 [2019-10-13 21:22:46,745 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:46,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2019-10-13 21:22:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 202. [2019-10-13 21:22:46,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-13 21:22:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 230 transitions. [2019-10-13 21:22:46,764 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 230 transitions. Word has length 87 [2019-10-13 21:22:46,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:46,765 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 230 transitions. [2019-10-13 21:22:46,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:46,765 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 230 transitions. [2019-10-13 21:22:46,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:22:46,767 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,767 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:46,768 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1941251357, now seen corresponding path program 1 times [2019-10-13 21:22:46,768 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,769 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979111080] [2019-10-13 21:22:46,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:46,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979111080] [2019-10-13 21:22:46,858 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:46,859 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:46,859 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774066205] [2019-10-13 21:22:46,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:46,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:46,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:46,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:46,860 INFO L87 Difference]: Start difference. First operand 202 states and 230 transitions. Second operand 6 states. [2019-10-13 21:22:46,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:46,896 INFO L93 Difference]: Finished difference Result 383 states and 446 transitions. [2019-10-13 21:22:46,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:46,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-13 21:22:46,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:46,899 INFO L225 Difference]: With dead ends: 383 [2019-10-13 21:22:46,899 INFO L226 Difference]: Without dead ends: 209 [2019-10-13 21:22:46,900 INFO L600 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 [2019-10-13 21:22:46,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-10-13 21:22:46,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 207. [2019-10-13 21:22:46,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-10-13 21:22:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 235 transitions. [2019-10-13 21:22:46,941 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 235 transitions. Word has length 103 [2019-10-13 21:22:46,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:46,942 INFO L462 AbstractCegarLoop]: Abstraction has 207 states and 235 transitions. [2019-10-13 21:22:46,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 235 transitions. [2019-10-13 21:22:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:22:46,944 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:46,945 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:46,945 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:46,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:46,945 INFO L82 PathProgramCache]: Analyzing trace with hash -108136485, now seen corresponding path program 1 times [2019-10-13 21:22:46,946 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:46,946 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8867745] [2019-10-13 21:22:46,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:46,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:47,043 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8867745] [2019-10-13 21:22:47,043 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:47,044 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:47,044 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789704208] [2019-10-13 21:22:47,045 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:47,046 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:47,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:47,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:47,046 INFO L87 Difference]: Start difference. First operand 207 states and 235 transitions. Second operand 8 states. [2019-10-13 21:22:47,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:47,085 INFO L93 Difference]: Finished difference Result 393 states and 457 transitions. [2019-10-13 21:22:47,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:47,086 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-13 21:22:47,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:47,090 INFO L225 Difference]: With dead ends: 393 [2019-10-13 21:22:47,090 INFO L226 Difference]: Without dead ends: 214 [2019-10-13 21:22:47,091 INFO L600 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 [2019-10-13 21:22:47,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-10-13 21:22:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 211. [2019-10-13 21:22:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-10-13 21:22:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 239 transitions. [2019-10-13 21:22:47,111 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 239 transitions. Word has length 103 [2019-10-13 21:22:47,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:47,111 INFO L462 AbstractCegarLoop]: Abstraction has 211 states and 239 transitions. [2019-10-13 21:22:47,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 239 transitions. [2019-10-13 21:22:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:22:47,113 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:47,115 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:47,115 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:47,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:47,116 INFO L82 PathProgramCache]: Analyzing trace with hash 861444538, now seen corresponding path program 1 times [2019-10-13 21:22:47,116 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:47,117 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408370045] [2019-10-13 21:22:47,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,117 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:47,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408370045] [2019-10-13 21:22:47,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:47,195 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:47,195 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090405400] [2019-10-13 21:22:47,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:47,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:47,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:47,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:47,197 INFO L87 Difference]: Start difference. First operand 211 states and 239 transitions. Second operand 4 states. [2019-10-13 21:22:47,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:47,430 INFO L93 Difference]: Finished difference Result 596 states and 707 transitions. [2019-10-13 21:22:47,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:47,431 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-13 21:22:47,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:47,434 INFO L225 Difference]: With dead ends: 596 [2019-10-13 21:22:47,434 INFO L226 Difference]: Without dead ends: 413 [2019-10-13 21:22:47,435 INFO L600 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 [2019-10-13 21:22:47,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-13 21:22:47,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 404. [2019-10-13 21:22:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2019-10-13 21:22:47,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 469 transitions. [2019-10-13 21:22:47,464 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 469 transitions. Word has length 103 [2019-10-13 21:22:47,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:47,465 INFO L462 AbstractCegarLoop]: Abstraction has 404 states and 469 transitions. [2019-10-13 21:22:47,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:47,465 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 469 transitions. [2019-10-13 21:22:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:22:47,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:47,467 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:47,467 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:47,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:47,468 INFO L82 PathProgramCache]: Analyzing trace with hash 2005328992, now seen corresponding path program 1 times [2019-10-13 21:22:47,468 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:47,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320205120] [2019-10-13 21:22:47,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:47,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320205120] [2019-10-13 21:22:47,642 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:47,642 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:47,643 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920863930] [2019-10-13 21:22:47,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:47,644 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:47,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:47,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:47,644 INFO L87 Difference]: Start difference. First operand 404 states and 469 transitions. Second operand 9 states. [2019-10-13 21:22:48,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:48,576 INFO L93 Difference]: Finished difference Result 1073 states and 1297 transitions. [2019-10-13 21:22:48,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:48,577 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2019-10-13 21:22:48,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:48,582 INFO L225 Difference]: With dead ends: 1073 [2019-10-13 21:22:48,583 INFO L226 Difference]: Without dead ends: 764 [2019-10-13 21:22:48,585 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:48,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2019-10-13 21:22:48,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 686. [2019-10-13 21:22:48,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2019-10-13 21:22:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 787 transitions. [2019-10-13 21:22:48,641 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 787 transitions. Word has length 107 [2019-10-13 21:22:48,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:48,643 INFO L462 AbstractCegarLoop]: Abstraction has 686 states and 787 transitions. [2019-10-13 21:22:48,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 787 transitions. [2019-10-13 21:22:48,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-13 21:22:48,647 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:48,648 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:48,648 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:48,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:48,648 INFO L82 PathProgramCache]: Analyzing trace with hash 2092455891, now seen corresponding path program 1 times [2019-10-13 21:22:48,649 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:48,649 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616350132] [2019-10-13 21:22:48,649 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,649 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:48,845 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616350132] [2019-10-13 21:22:48,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188140906] [2019-10-13 21:22:48,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:49,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 924 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:49,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:49,306 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:49,761 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 21:22:49,761 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [803250180] [2019-10-13 21:22:49,768 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 152 [2019-10-13 21:22:49,831 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:49,831 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:49,926 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:49,928 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 0. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:49,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:49,933 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:50,042 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:50,043 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:50,048 INFO L553 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2019-10-13 21:22:50,053 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:50,053 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:50,054 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:50,054 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875597903] [2019-10-13 21:22:50,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:50,056 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:50,057 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:50,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:50,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:50,057 INFO L87 Difference]: Start difference. First operand 686 states and 787 transitions. Second operand 2 states. [2019-10-13 21:22:50,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:50,067 INFO L93 Difference]: Finished difference Result 686 states and 787 transitions. [2019-10-13 21:22:50,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:50,067 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 151 [2019-10-13 21:22:50,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:50,067 INFO L225 Difference]: With dead ends: 686 [2019-10-13 21:22:50,068 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:50,069 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:50,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:50,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:50,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2019-10-13 21:22:50,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:50,071 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:50,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:50,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:50,276 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:50,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:50,547 INFO L443 ceAbstractionStarter]: For program point L319(line 319) no Hoare annotation was computed. [2019-10-13 21:22:50,547 INFO L443 ceAbstractionStarter]: For program point L318-2(lines 318 339) no Hoare annotation was computed. [2019-10-13 21:22:50,547 INFO L443 ceAbstractionStarter]: For program point L340(lines 317 341) no Hoare annotation was computed. [2019-10-13 21:22:50,548 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 293 348) no Hoare annotation was computed. [2019-10-13 21:22:50,548 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 293 348) no Hoare annotation was computed. [2019-10-13 21:22:50,548 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 328) no Hoare annotation was computed. [2019-10-13 21:22:50,548 INFO L443 ceAbstractionStarter]: For program point L324-1(lines 324 328) no Hoare annotation was computed. [2019-10-13 21:22:50,548 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 293 348) no Hoare annotation was computed. [2019-10-13 21:22:50,548 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 385) no Hoare annotation was computed. [2019-10-13 21:22:50,548 INFO L443 ceAbstractionStarter]: For program point L381-1(lines 381 385) no Hoare annotation was computed. [2019-10-13 21:22:50,548 INFO L443 ceAbstractionStarter]: For program point L376(line 376) no Hoare annotation was computed. [2019-10-13 21:22:50,548 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 349 408) no Hoare annotation was computed. [2019-10-13 21:22:50,549 INFO L443 ceAbstractionStarter]: For program point L375-2(lines 375 400) no Hoare annotation was computed. [2019-10-13 21:22:50,549 INFO L443 ceAbstractionStarter]: For program point L401(lines 374 402) no Hoare annotation was computed. [2019-10-13 21:22:50,549 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 349 408) no Hoare annotation was computed. [2019-10-13 21:22:50,549 INFO L443 ceAbstractionStarter]: For program point L394(line 394) no Hoare annotation was computed. [2019-10-13 21:22:50,549 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 349 408) no Hoare annotation was computed. [2019-10-13 21:22:50,549 INFO L443 ceAbstractionStarter]: For program point L394-1(line 394) no Hoare annotation was computed. [2019-10-13 21:22:50,549 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 224 230) the Hoare annotation is: true [2019-10-13 21:22:50,550 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 224 230) no Hoare annotation was computed. [2019-10-13 21:22:50,550 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 231 239) no Hoare annotation was computed. [2019-10-13 21:22:50,550 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 231 239) the Hoare annotation is: true [2019-10-13 21:22:50,550 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 231 239) no Hoare annotation was computed. [2019-10-13 21:22:50,550 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 21:22:50,550 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:22:50,551 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:22:50,551 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-13 21:22:50,551 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:22:50,551 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 21:22:50,551 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:22:50,551 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-13 21:22:50,551 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-13 21:22:50,552 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:22:50,552 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:22:50,552 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-13 21:22:50,552 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:22:50,552 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-13 21:22:50,552 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-13 21:22:50,553 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:22:50,553 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-13 21:22:50,553 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-13 21:22:50,553 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: true [2019-10-13 21:22:50,553 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-10-13 21:22:50,553 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2019-10-13 21:22:50,554 INFO L446 ceAbstractionStarter]: At program point L185-1(line 185) the Hoare annotation is: true [2019-10-13 21:22:50,554 INFO L443 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2019-10-13 21:22:50,554 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2019-10-13 21:22:50,554 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 21:22:50,554 INFO L446 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: true [2019-10-13 21:22:50,554 INFO L446 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2019-10-13 21:22:50,554 INFO L446 ceAbstractionStarter]: At program point L179-1(line 179) the Hoare annotation is: true [2019-10-13 21:22:50,554 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2019-10-13 21:22:50,554 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2019-10-13 21:22:50,554 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2019-10-13 21:22:50,554 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2019-10-13 21:22:50,554 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-13 21:22:50,555 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 883 891) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 883 891) the Hoare annotation is: true [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 883 891) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point L899-2(lines 899 907) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 919) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 892 927) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point L911-2(lines 911 919) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 892 927) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 907) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 892 927) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 217 223) no Hoare annotation was computed. [2019-10-13 21:22:50,556 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 217 223) the Hoare annotation is: true [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 247 292) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 247 292) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 247 292) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 594) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point L574-1(lines 574 594) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 560 605) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 560 605) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 560 605) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 587) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: true [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2019-10-13 21:22:50,557 INFO L446 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: true [2019-10-13 21:22:50,558 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 872 882) the Hoare annotation is: true [2019-10-13 21:22:50,558 INFO L446 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2019-10-13 21:22:50,558 INFO L443 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2019-10-13 21:22:50,558 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 872 882) no Hoare annotation was computed. [2019-10-13 21:22:50,558 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 872 882) no Hoare annotation was computed. [2019-10-13 21:22:50,558 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 864 871) no Hoare annotation was computed. [2019-10-13 21:22:50,558 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 864 871) no Hoare annotation was computed. [2019-10-13 21:22:50,558 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 864 871) no Hoare annotation was computed. [2019-10-13 21:22:50,558 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2019-10-13 21:22:50,559 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 690 703) no Hoare annotation was computed. [2019-10-13 21:22:50,559 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 690 703) the Hoare annotation is: true [2019-10-13 21:22:50,559 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 690 703) no Hoare annotation was computed. [2019-10-13 21:22:50,559 INFO L446 ceAbstractionStarter]: At program point L832(line 832) the Hoare annotation is: true [2019-10-13 21:22:50,559 INFO L443 ceAbstractionStarter]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2019-10-13 21:22:50,559 INFO L446 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2019-10-13 21:22:50,559 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-13 21:22:50,559 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 813 837) no Hoare annotation was computed. [2019-10-13 21:22:50,560 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 829) no Hoare annotation was computed. [2019-10-13 21:22:50,560 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 813 837) the Hoare annotation is: true [2019-10-13 21:22:50,560 INFO L446 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: true [2019-10-13 21:22:50,560 INFO L443 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2019-10-13 21:22:50,560 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 834) no Hoare annotation was computed. [2019-10-13 21:22:50,560 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2019-10-13 21:22:50,560 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2019-10-13 21:22:50,561 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: true [2019-10-13 21:22:50,561 INFO L446 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: true [2019-10-13 21:22:50,561 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2019-10-13 21:22:50,561 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2019-10-13 21:22:50,561 INFO L446 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: true [2019-10-13 21:22:50,561 INFO L443 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2019-10-13 21:22:50,561 INFO L446 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: true [2019-10-13 21:22:50,561 INFO L443 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2019-10-13 21:22:50,562 INFO L446 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: true [2019-10-13 21:22:50,562 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2019-10-13 21:22:50,562 INFO L443 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2019-10-13 21:22:50,562 INFO L446 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: true [2019-10-13 21:22:50,562 INFO L446 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: true [2019-10-13 21:22:50,562 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2019-10-13 21:22:50,562 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2019-10-13 21:22:50,562 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2019-10-13 21:22:50,563 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2019-10-13 21:22:50,563 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 514 559) no Hoare annotation was computed. [2019-10-13 21:22:50,563 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 541) no Hoare annotation was computed. [2019-10-13 21:22:50,563 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 514 559) no Hoare annotation was computed. [2019-10-13 21:22:50,563 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 514 559) no Hoare annotation was computed. [2019-10-13 21:22:50,563 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 548) no Hoare annotation was computed. [2019-10-13 21:22:50,563 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 528 548) no Hoare annotation was computed. [2019-10-13 21:22:50,563 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 838 845) the Hoare annotation is: true [2019-10-13 21:22:50,564 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 838 845) no Hoare annotation was computed. [2019-10-13 21:22:50,564 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 838 845) no Hoare annotation was computed. [2019-10-13 21:22:50,564 INFO L443 ceAbstractionStarter]: For program point L666(lines 666 674) no Hoare annotation was computed. [2019-10-13 21:22:50,564 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 658 680) no Hoare annotation was computed. [2019-10-13 21:22:50,564 INFO L443 ceAbstractionStarter]: For program point L666-2(lines 666 674) no Hoare annotation was computed. [2019-10-13 21:22:50,564 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 658 680) no Hoare annotation was computed. [2019-10-13 21:22:50,564 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 658 680) no Hoare annotation was computed. [2019-10-13 21:22:50,564 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 207 216) no Hoare annotation was computed. [2019-10-13 21:22:50,564 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 207 216) no Hoare annotation was computed. [2019-10-13 21:22:50,565 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 207 216) no Hoare annotation was computed. [2019-10-13 21:22:50,565 INFO L443 ceAbstractionStarter]: For program point L481(lines 459 482) no Hoare annotation was computed. [2019-10-13 21:22:50,565 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 411 513) no Hoare annotation was computed. [2019-10-13 21:22:50,565 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 456) no Hoare annotation was computed. [2019-10-13 21:22:50,565 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 507) no Hoare annotation was computed. [2019-10-13 21:22:50,565 INFO L443 ceAbstractionStarter]: For program point L461(lines 460 480) no Hoare annotation was computed. [2019-10-13 21:22:50,565 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-10-13 21:22:50,565 INFO L443 ceAbstractionStarter]: For program point L492-1(line 492) no Hoare annotation was computed. [2019-10-13 21:22:50,566 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 498) no Hoare annotation was computed. [2019-10-13 21:22:50,566 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 411 513) no Hoare annotation was computed. [2019-10-13 21:22:50,566 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-13 21:22:50,566 INFO L443 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-10-13 21:22:50,566 INFO L443 ceAbstractionStarter]: For program point L435(lines 435 439) no Hoare annotation was computed. [2019-10-13 21:22:50,566 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 510) no Hoare annotation was computed. [2019-10-13 21:22:50,566 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 411 513) no Hoare annotation was computed. [2019-10-13 21:22:50,566 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 466) no Hoare annotation was computed. [2019-10-13 21:22:50,567 INFO L443 ceAbstractionStarter]: For program point L460-2(lines 460 480) no Hoare annotation was computed. [2019-10-13 21:22:50,567 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,567 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:22:50,567 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,567 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 847 863) no Hoare annotation was computed. [2019-10-13 21:22:50,567 INFO L446 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: true [2019-10-13 21:22:50,567 INFO L443 ceAbstractionStarter]: For program point L858-1(lines 847 863) no Hoare annotation was computed. [2019-10-13 21:22:50,568 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 847 863) the Hoare annotation is: true [2019-10-13 21:22:50,568 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 860) no Hoare annotation was computed. [2019-10-13 21:22:50,568 INFO L446 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: true [2019-10-13 21:22:50,568 INFO L443 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2019-10-13 21:22:50,568 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2019-10-13 21:22:50,568 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2019-10-13 21:22:50,568 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2019-10-13 21:22:50,568 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 928 946) no Hoare annotation was computed. [2019-10-13 21:22:50,569 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 941) no Hoare annotation was computed. [2019-10-13 21:22:50,569 INFO L446 ceAbstractionStarter]: At program point L935(line 935) the Hoare annotation is: true [2019-10-13 21:22:50,569 INFO L443 ceAbstractionStarter]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2019-10-13 21:22:50,569 INFO L443 ceAbstractionStarter]: For program point L935-1(line 935) no Hoare annotation was computed. [2019-10-13 21:22:50,569 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 928 946) the Hoare annotation is: true [2019-10-13 21:22:50,569 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 928 946) no Hoare annotation was computed. [2019-10-13 21:22:50,569 INFO L443 ceAbstractionStarter]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2019-10-13 21:22:50,569 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: true [2019-10-13 21:22:50,570 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2019-10-13 21:22:50,570 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,570 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,570 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,570 INFO L446 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2019-10-13 21:22:50,570 INFO L446 ceAbstractionStarter]: At program point L792(lines 792 798) the Hoare annotation is: true [2019-10-13 21:22:50,570 INFO L446 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2019-10-13 21:22:50,570 INFO L443 ceAbstractionStarter]: For program point L785(lines 781 803) no Hoare annotation was computed. [2019-10-13 21:22:50,571 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 804) the Hoare annotation is: true [2019-10-13 21:22:50,571 INFO L443 ceAbstractionStarter]: For program point L783(lines 781 803) no Hoare annotation was computed. [2019-10-13 21:22:50,571 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 804) no Hoare annotation was computed. [2019-10-13 21:22:50,571 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 804) no Hoare annotation was computed. [2019-10-13 21:22:50,571 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2019-10-13 21:22:50,571 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2019-10-13 21:22:50,571 INFO L446 ceAbstractionStarter]: At program point L119(lines 94 123) the Hoare annotation is: true [2019-10-13 21:22:50,572 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 21:22:50,572 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2019-10-13 21:22:50,572 INFO L446 ceAbstractionStarter]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2019-10-13 21:22:50,572 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-13 21:22:50,572 INFO L446 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2019-10-13 21:22:50,572 INFO L446 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2019-10-13 21:22:50,572 INFO L443 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2019-10-13 21:22:50,572 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 649 657) the Hoare annotation is: true [2019-10-13 21:22:50,573 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 649 657) no Hoare annotation was computed. [2019-10-13 21:22:50,573 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2019-10-13 21:22:50,573 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: true [2019-10-13 21:22:50,573 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2019-10-13 21:22:50,573 INFO L443 ceAbstractionStarter]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2019-10-13 21:22:50,573 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2019-10-13 21:22:50,573 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2019-10-13 21:22:50,573 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,574 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:50,574 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:50,574 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:50,574 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 947 954) no Hoare annotation was computed. [2019-10-13 21:22:50,574 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 947 954) the Hoare annotation is: true [2019-10-13 21:22:50,574 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 947 954) no Hoare annotation was computed. [2019-10-13 21:22:50,574 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2019-10-13 21:22:50,574 INFO L443 ceAbstractionStarter]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2019-10-13 21:22:50,575 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: true [2019-10-13 21:22:50,575 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 197 204) no Hoare annotation was computed. [2019-10-13 21:22:50,575 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2019-10-13 21:22:50,575 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 197 204) the Hoare annotation is: true [2019-10-13 21:22:50,575 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 197 204) no Hoare annotation was computed. [2019-10-13 21:22:50,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:50 BoogieIcfgContainer [2019-10-13 21:22:50,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:50,593 INFO L168 Benchmark]: Toolchain (without parser) took 9205.28 ms. Allocated memory was 138.9 MB in the beginning and 320.3 MB in the end (delta: 181.4 MB). Free memory was 102.4 MB in the beginning and 172.5 MB in the end (delta: -70.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,595 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,596 INFO L168 Benchmark]: CACSL2BoogieTranslator took 600.24 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.1 MB in the beginning and 170.2 MB in the end (delta: -68.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,603 INFO L168 Benchmark]: Boogie Preprocessor took 114.45 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 165.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,604 INFO L168 Benchmark]: RCFGBuilder took 1491.43 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 193.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,605 INFO L168 Benchmark]: TraceAbstraction took 6994.94 ms. Allocated memory was 235.4 MB in the beginning and 320.3 MB in the end (delta: 84.9 MB). Free memory was 193.8 MB in the beginning and 172.5 MB in the end (delta: 21.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:50,619 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 600.24 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 102.1 MB in the beginning and 170.2 MB in the end (delta: -68.0 MB). Peak memory consumption was 24.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.45 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 165.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1491.43 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 165.5 MB in the beginning and 193.8 MB in the end (delta: -28.3 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6994.94 ms. Allocated memory was 235.4 MB in the beginning and 320.3 MB in the end (delta: 84.9 MB). Free memory was 193.8 MB in the beginning and 172.5 MB in the end (delta: 21.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 6.8s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1433 SDtfs, 1056 SDslu, 2791 SDs, 0 SdLazy, 1644 SolverSat, 401 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=686occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 130 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 743 PreInvPairs, 744 NumberOfFragments, 70 HoareAnnotationTreeSize, 743 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 60 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1062 NumberOfCodeBlocks, 1062 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1201 ConstructedInterpolants, 0 QuantifiedInterpolants, 227185 SizeOfPredicates, 4 NumberOfNonLiveVariables, 924 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 121/144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 165, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.86, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...