/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:03:24,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:03:24,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:03:24,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:03:24,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:03:24,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:03:24,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:03:24,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:03:24,121 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:03:24,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:03:24,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:03:24,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:03:24,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:03:24,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:03:24,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:03:24,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:03:24,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:03:24,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:03:24,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:03:24,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:03:24,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:03:24,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:03:24,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:03:24,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:03:24,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:03:24,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:03:24,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:03:24,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:03:24,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:03:24,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:03:24,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:03:24,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:03:24,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:03:24,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:03:24,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:03:24,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:03:24,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:03:24,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:03:24,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:03:24,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:03:24,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:03:24,168 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 [2019-11-07 01:03:24,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:03:24,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:03:24,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:03:24,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:03:24,188 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:03:24,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:03:24,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:03:24,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:03:24,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:03:24,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:03:24,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:03:24,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:03:24,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:03:24,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:03:24,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:03:24,190 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:03:24,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:03:24,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:03:24,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:03:24,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:03:24,191 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:03:24,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:03:24,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:03:24,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:03:24,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:03:24,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:03:24,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:03:24,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:03:24,192 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 [2019-11-07 01:03:24,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:03:24,551 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:03:24,554 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:03:24,556 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:03:24,556 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:03:24,557 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-11-07 01:03:24,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2132a7ae/2e2f2535ab2742279d21c784544ccfca/FLAG14d1989a8 [2019-11-07 01:03:25,108 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:03:25,109 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2019-11-07 01:03:25,133 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2132a7ae/2e2f2535ab2742279d21c784544ccfca/FLAG14d1989a8 [2019-11-07 01:03:25,479 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2132a7ae/2e2f2535ab2742279d21c784544ccfca [2019-11-07 01:03:25,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:03:25,500 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:03:25,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:03:25,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:03:25,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:03:25,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:25" (1/1) ... [2019-11-07 01:03:25,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312b99b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:25, skipping insertion in model container [2019-11-07 01:03:25,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:03:25" (1/1) ... [2019-11-07 01:03:25,543 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:03:25,647 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:03:26,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:03:26,158 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:03:26,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:03:26,326 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:03:26,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26 WrapperNode [2019-11-07 01:03:26,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:03:26,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:03:26,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:03:26,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:03:26,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26" (1/1) ... [2019-11-07 01:03:26,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26" (1/1) ... [2019-11-07 01:03:26,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26" (1/1) ... [2019-11-07 01:03:26,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26" (1/1) ... [2019-11-07 01:03:26,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26" (1/1) ... [2019-11-07 01:03:26,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26" (1/1) ... [2019-11-07 01:03:26,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26" (1/1) ... [2019-11-07 01:03:26,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:03:26,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:03:26,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:03:26,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:03:26,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26" (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 [2019-11-07 01:03:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:03:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:03:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:03:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:03:26,537 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:03:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:03:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:03:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:03:26,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:03:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:03:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:03:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:03:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:03:26,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:03:26,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 01:03:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:03:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:03:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:03:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:03:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:03:26,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:03:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:03:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:03:26,543 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:03:26,544 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 01:03:26,545 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:03:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:03:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:03:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:03:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:03:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:03:26,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:03:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:03:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:03:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:03:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:03:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:03:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:03:26,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:03:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:03:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:03:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:03:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:03:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:03:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:03:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:03:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:03:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:03:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:03:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:03:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:03:26,549 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:03:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:03:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:03:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:03:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:03:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:03:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:03:26,550 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:03:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:03:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:03:26,551 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:03:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:03:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 01:03:26,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:03:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:03:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:03:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:03:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:03:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:03:26,553 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:03:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-11-07 01:03:26,554 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:03:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:03:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:03:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:03:26,555 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:03:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:03:26,556 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:03:26,557 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:03:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:03:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:03:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:03:26,558 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:03:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:03:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:03:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:03:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:03:26,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:03:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:03:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:03:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:03:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:03:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:03:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:03:26,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:03:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:03:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:03:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:03:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:03:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:03:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:03:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:03:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:03:27,666 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:03:27,667 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:03:27,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:27 BoogieIcfgContainer [2019-11-07 01:03:27,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:03:27,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:03:27,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:03:27,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:03:27,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:03:25" (1/3) ... [2019-11-07 01:03:27,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6209811d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:27, skipping insertion in model container [2019-11-07 01:03:27,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:03:26" (2/3) ... [2019-11-07 01:03:27,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6209811d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:03:27, skipping insertion in model container [2019-11-07 01:03:27,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:03:27" (3/3) ... [2019-11-07 01:03:27,677 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2019-11-07 01:03:27,687 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:03:27,696 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:03:27,708 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:03:27,746 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:03:27,747 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:03:27,747 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:03:27,747 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:03:27,748 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:03:27,749 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:03:27,749 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:03:27,749 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:03:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states. [2019-11-07 01:03:27,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-07 01:03:27,796 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:27,797 INFO L410 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] [2019-11-07 01:03:27,799 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:27,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:27,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1747867680, now seen corresponding path program 1 times [2019-11-07 01:03:27,814 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:27,815 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415847678] [2019-11-07 01:03:27,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:28,240 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415847678] [2019-11-07 01:03:28,241 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:28,241 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:03:28,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031258734] [2019-11-07 01:03:28,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:28,249 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:28,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:03:28,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:03:28,266 INFO L87 Difference]: Start difference. First operand 209 states. Second operand 2 states. [2019-11-07 01:03:28,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:28,311 INFO L93 Difference]: Finished difference Result 328 states and 405 transitions. [2019-11-07 01:03:28,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:28,313 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-11-07 01:03:28,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:28,328 INFO L225 Difference]: With dead ends: 328 [2019-11-07 01:03:28,328 INFO L226 Difference]: Without dead ends: 166 [2019-11-07 01:03:28,333 INFO L630 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 [2019-11-07 01:03:28,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2019-11-07 01:03:28,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2019-11-07 01:03:28,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-11-07 01:03:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 196 transitions. [2019-11-07 01:03:28,401 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 196 transitions. Word has length 59 [2019-11-07 01:03:28,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:28,402 INFO L462 AbstractCegarLoop]: Abstraction has 166 states and 196 transitions. [2019-11-07 01:03:28,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:28,402 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 196 transitions. [2019-11-07 01:03:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 01:03:28,406 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:28,407 INFO L410 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] [2019-11-07 01:03:28,407 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:28,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:28,408 INFO L82 PathProgramCache]: Analyzing trace with hash 2102602730, now seen corresponding path program 1 times [2019-11-07 01:03:28,408 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:28,408 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378550757] [2019-11-07 01:03:28,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:28,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:28,548 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378550757] [2019-11-07 01:03:28,548 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:28,548 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:03:28,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52211625] [2019-11-07 01:03:28,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:03:28,551 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:28,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:03:28,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:03:28,552 INFO L87 Difference]: Start difference. First operand 166 states and 196 transitions. Second operand 3 states. [2019-11-07 01:03:28,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:28,577 INFO L93 Difference]: Finished difference Result 267 states and 315 transitions. [2019-11-07 01:03:28,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:03:28,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-07 01:03:28,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:28,580 INFO L225 Difference]: With dead ends: 267 [2019-11-07 01:03:28,580 INFO L226 Difference]: Without dead ends: 157 [2019-11-07 01:03:28,582 INFO L630 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 [2019-11-07 01:03:28,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-11-07 01:03:28,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-11-07 01:03:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-11-07 01:03:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2019-11-07 01:03:28,599 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 60 [2019-11-07 01:03:28,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:28,599 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2019-11-07 01:03:28,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:03:28,600 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2019-11-07 01:03:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-11-07 01:03:28,602 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:28,602 INFO L410 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] [2019-11-07 01:03:28,602 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:28,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:28,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1388581610, now seen corresponding path program 1 times [2019-11-07 01:03:28,603 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:28,603 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605113648] [2019-11-07 01:03:28,603 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:28,778 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605113648] [2019-11-07 01:03:28,779 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:28,779 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:28,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286133597] [2019-11-07 01:03:28,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:28,781 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:28,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:28,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:28,781 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand 7 states. [2019-11-07 01:03:29,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:29,489 INFO L93 Difference]: Finished difference Result 471 states and 572 transitions. [2019-11-07 01:03:29,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:03:29,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-11-07 01:03:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:29,500 INFO L225 Difference]: With dead ends: 471 [2019-11-07 01:03:29,500 INFO L226 Difference]: Without dead ends: 342 [2019-11-07 01:03:29,506 INFO L630 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 [2019-11-07 01:03:29,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-11-07 01:03:29,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 330. [2019-11-07 01:03:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2019-11-07 01:03:29,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 400 transitions. [2019-11-07 01:03:29,591 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 400 transitions. Word has length 65 [2019-11-07 01:03:29,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:29,591 INFO L462 AbstractCegarLoop]: Abstraction has 330 states and 400 transitions. [2019-11-07 01:03:29,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:29,592 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 400 transitions. [2019-11-07 01:03:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-07 01:03:29,601 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:29,601 INFO L410 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] [2019-11-07 01:03:29,601 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:29,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:29,602 INFO L82 PathProgramCache]: Analyzing trace with hash -262157671, now seen corresponding path program 1 times [2019-11-07 01:03:29,602 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:29,602 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693922394] [2019-11-07 01:03:29,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:29,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:03:29,754 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693922394] [2019-11-07 01:03:29,754 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:29,754 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:29,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769648426] [2019-11-07 01:03:29,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:29,755 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:29,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:29,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:29,756 INFO L87 Difference]: Start difference. First operand 330 states and 400 transitions. Second operand 7 states. [2019-11-07 01:03:30,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:30,601 INFO L93 Difference]: Finished difference Result 832 states and 1080 transitions. [2019-11-07 01:03:30,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 01:03:30,602 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-11-07 01:03:30,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:30,607 INFO L225 Difference]: With dead ends: 832 [2019-11-07 01:03:30,607 INFO L226 Difference]: Without dead ends: 530 [2019-11-07 01:03:30,609 INFO L630 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 [2019-11-07 01:03:30,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-11-07 01:03:30,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 476. [2019-11-07 01:03:30,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-11-07 01:03:30,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 573 transitions. [2019-11-07 01:03:30,658 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 573 transitions. Word has length 70 [2019-11-07 01:03:30,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:30,659 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 573 transitions. [2019-11-07 01:03:30,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:30,659 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 573 transitions. [2019-11-07 01:03:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 01:03:30,662 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:30,662 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:30,662 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:30,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:30,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1621424268, now seen corresponding path program 1 times [2019-11-07 01:03:30,663 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:30,663 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569180413] [2019-11-07 01:03:30,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:30,754 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569180413] [2019-11-07 01:03:30,754 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:30,755 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:03:30,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791527477] [2019-11-07 01:03:30,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:03:30,756 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:30,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:03:30,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:03:30,756 INFO L87 Difference]: Start difference. First operand 476 states and 573 transitions. Second operand 6 states. [2019-11-07 01:03:30,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:30,807 INFO L93 Difference]: Finished difference Result 934 states and 1147 transitions. [2019-11-07 01:03:30,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:03:30,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-11-07 01:03:30,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:30,812 INFO L225 Difference]: With dead ends: 934 [2019-11-07 01:03:30,812 INFO L226 Difference]: Without dead ends: 486 [2019-11-07 01:03:30,814 INFO L630 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 [2019-11-07 01:03:30,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2019-11-07 01:03:30,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2019-11-07 01:03:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2019-11-07 01:03:30,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions. [2019-11-07 01:03:30,851 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 98 [2019-11-07 01:03:30,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:30,851 INFO L462 AbstractCegarLoop]: Abstraction has 486 states and 583 transitions. [2019-11-07 01:03:30,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:03:30,851 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions. [2019-11-07 01:03:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 01:03:30,853 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:30,854 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:30,854 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:30,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:30,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1693810826, now seen corresponding path program 1 times [2019-11-07 01:03:30,855 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:30,855 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35385940] [2019-11-07 01:03:30,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:30,942 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35385940] [2019-11-07 01:03:30,942 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:30,942 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 01:03:30,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077690043] [2019-11-07 01:03:30,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:03:30,943 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:30,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:03:30,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:03:30,944 INFO L87 Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 8 states. [2019-11-07 01:03:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:30,994 INFO L93 Difference]: Finished difference Result 958 states and 1190 transitions. [2019-11-07 01:03:30,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:03:30,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-11-07 01:03:30,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:31,000 INFO L225 Difference]: With dead ends: 958 [2019-11-07 01:03:31,000 INFO L226 Difference]: Without dead ends: 500 [2019-11-07 01:03:31,002 INFO L630 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 [2019-11-07 01:03:31,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-11-07 01:03:31,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 494. [2019-11-07 01:03:31,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-11-07 01:03:31,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 591 transitions. [2019-11-07 01:03:31,032 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 591 transitions. Word has length 98 [2019-11-07 01:03:31,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:31,033 INFO L462 AbstractCegarLoop]: Abstraction has 494 states and 591 transitions. [2019-11-07 01:03:31,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:03:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 591 transitions. [2019-11-07 01:03:31,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-07 01:03:31,035 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:31,035 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:31,036 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:31,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:31,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1364045065, now seen corresponding path program 1 times [2019-11-07 01:03:31,036 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:31,036 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94106213] [2019-11-07 01:03:31,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:31,143 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94106213] [2019-11-07 01:03:31,143 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:31,143 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:03:31,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542818521] [2019-11-07 01:03:31,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:03:31,144 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:31,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:31,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:31,145 INFO L87 Difference]: Start difference. First operand 494 states and 591 transitions. Second operand 4 states. [2019-11-07 01:03:31,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:31,474 INFO L93 Difference]: Finished difference Result 1578 states and 1976 transitions. [2019-11-07 01:03:31,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:03:31,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-11-07 01:03:31,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:31,482 INFO L225 Difference]: With dead ends: 1578 [2019-11-07 01:03:31,482 INFO L226 Difference]: Without dead ends: 1112 [2019-11-07 01:03:31,485 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:31,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2019-11-07 01:03:31,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 1095. [2019-11-07 01:03:31,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2019-11-07 01:03:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1344 transitions. [2019-11-07 01:03:31,561 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1344 transitions. Word has length 98 [2019-11-07 01:03:31,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:31,561 INFO L462 AbstractCegarLoop]: Abstraction has 1095 states and 1344 transitions. [2019-11-07 01:03:31,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:03:31,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1344 transitions. [2019-11-07 01:03:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-07 01:03:31,564 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:31,564 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:31,564 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:31,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:31,565 INFO L82 PathProgramCache]: Analyzing trace with hash 884836017, now seen corresponding path program 1 times [2019-11-07 01:03:31,565 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:31,565 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157233452] [2019-11-07 01:03:31,566 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:31,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:31,751 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157233452] [2019-11-07 01:03:31,751 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:31,751 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:03:31,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722118891] [2019-11-07 01:03:31,753 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:03:31,753 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:31,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:03:31,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:03:31,754 INFO L87 Difference]: Start difference. First operand 1095 states and 1344 transitions. Second operand 9 states. [2019-11-07 01:03:33,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:33,178 INFO L93 Difference]: Finished difference Result 2982 states and 3828 transitions. [2019-11-07 01:03:33,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 01:03:33,179 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2019-11-07 01:03:33,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:33,192 INFO L225 Difference]: With dead ends: 2982 [2019-11-07 01:03:33,193 INFO L226 Difference]: Without dead ends: 2111 [2019-11-07 01:03:33,197 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:33,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2019-11-07 01:03:33,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 1872. [2019-11-07 01:03:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1872 states. [2019-11-07 01:03:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1872 states and 2259 transitions. [2019-11-07 01:03:33,320 INFO L78 Accepts]: Start accepts. Automaton has 1872 states and 2259 transitions. Word has length 102 [2019-11-07 01:03:33,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:33,321 INFO L462 AbstractCegarLoop]: Abstraction has 1872 states and 2259 transitions. [2019-11-07 01:03:33,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:03:33,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2259 transitions. [2019-11-07 01:03:33,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-11-07 01:03:33,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:33,326 INFO L410 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:03:33,326 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:33,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:33,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1627137653, now seen corresponding path program 1 times [2019-11-07 01:03:33,327 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:33,327 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263987283] [2019-11-07 01:03:33,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:33,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 01:03:33,554 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263987283] [2019-11-07 01:03:33,555 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174750099] [2019-11-07 01:03:33,555 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 [2019-11-07 01:03:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:33,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 01:03:33,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:03:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:03:33,983 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:03:34,478 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 01:03:34,478 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [878308537] [2019-11-07 01:03:34,485 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 181 [2019-11-07 01:03:34,535 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:03:34,535 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:03:34,611 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:03:34,612 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-11-07 01:03:34,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:34,618 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:03:34,680 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:03:34,680 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:03:34,685 INFO L553 sIntCurrentIteration]: We unified 179 AI predicates to 179 [2019-11-07 01:03:34,685 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:03:34,686 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:03:34,686 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-11-07 01:03:34,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130364108] [2019-11-07 01:03:34,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:34,687 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:34,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:34,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:34,688 INFO L87 Difference]: Start difference. First operand 1872 states and 2259 transitions. Second operand 2 states. [2019-11-07 01:03:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:34,712 INFO L93 Difference]: Finished difference Result 1872 states and 2259 transitions. [2019-11-07 01:03:34,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:34,712 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 180 [2019-11-07 01:03:34,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:34,713 INFO L225 Difference]: With dead ends: 1872 [2019-11-07 01:03:34,713 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:03:34,718 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 350 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:34,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:03:34,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:03:34,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:03:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:03:34,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2019-11-07 01:03:34,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:34,720 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:03:34,720 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:34,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:03:34,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:03:34,933 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:03:34,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:03:35,373 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 627 682) no Hoare annotation was computed. [2019-11-07 01:03:35,373 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 662) no Hoare annotation was computed. [2019-11-07 01:03:35,374 INFO L443 ceAbstractionStarter]: For program point L658-1(lines 658 662) no Hoare annotation was computed. [2019-11-07 01:03:35,374 INFO L443 ceAbstractionStarter]: For program point L653(line 653) no Hoare annotation was computed. [2019-11-07 01:03:35,374 INFO L443 ceAbstractionStarter]: For program point L652-2(lines 652 673) no Hoare annotation was computed. [2019-11-07 01:03:35,374 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 627 682) no Hoare annotation was computed. [2019-11-07 01:03:35,374 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 627 682) no Hoare annotation was computed. [2019-11-07 01:03:35,374 INFO L443 ceAbstractionStarter]: For program point L674(lines 651 675) no Hoare annotation was computed. [2019-11-07 01:03:35,374 INFO L443 ceAbstractionStarter]: For program point L735(lines 708 736) no Hoare annotation was computed. [2019-11-07 01:03:35,374 INFO L443 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2019-11-07 01:03:35,374 INFO L443 ceAbstractionStarter]: For program point L728-1(line 728) no Hoare annotation was computed. [2019-11-07 01:03:35,375 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 683 742) no Hoare annotation was computed. [2019-11-07 01:03:35,375 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 683 742) no Hoare annotation was computed. [2019-11-07 01:03:35,375 INFO L443 ceAbstractionStarter]: For program point L715(lines 715 719) no Hoare annotation was computed. [2019-11-07 01:03:35,375 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 715 719) no Hoare annotation was computed. [2019-11-07 01:03:35,375 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 683 742) no Hoare annotation was computed. [2019-11-07 01:03:35,376 INFO L443 ceAbstractionStarter]: For program point L710(line 710) no Hoare annotation was computed. [2019-11-07 01:03:35,376 INFO L443 ceAbstractionStarter]: For program point L709-2(lines 709 734) no Hoare annotation was computed. [2019-11-07 01:03:35,376 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 500 506) the Hoare annotation is: true [2019-11-07 01:03:35,376 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 500 506) no Hoare annotation was computed. [2019-11-07 01:03:35,376 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 507 515) no Hoare annotation was computed. [2019-11-07 01:03:35,376 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 507 515) the Hoare annotation is: true [2019-11-07 01:03:35,377 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 507 515) no Hoare annotation was computed. [2019-11-07 01:03:35,377 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 527 534) the Hoare annotation is: true [2019-11-07 01:03:35,377 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 527 534) no Hoare annotation was computed. [2019-11-07 01:03:35,377 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 527 534) no Hoare annotation was computed. [2019-11-07 01:03:35,377 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 535 544) the Hoare annotation is: true [2019-11-07 01:03:35,377 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-11-07 01:03:35,377 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 535 544) no Hoare annotation was computed. [2019-11-07 01:03:35,378 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 535 544) no Hoare annotation was computed. [2019-11-07 01:03:35,378 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 545 573) the Hoare annotation is: true [2019-11-07 01:03:35,378 INFO L446 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: true [2019-11-07 01:03:35,378 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 564) no Hoare annotation was computed. [2019-11-07 01:03:35,378 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 567) no Hoare annotation was computed. [2019-11-07 01:03:35,378 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 545 573) no Hoare annotation was computed. [2019-11-07 01:03:35,378 INFO L446 ceAbstractionStarter]: At program point L555(line 555) the Hoare annotation is: true [2019-11-07 01:03:35,379 INFO L443 ceAbstractionStarter]: For program point L555-1(line 555) no Hoare annotation was computed. [2019-11-07 01:03:35,379 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 570) no Hoare annotation was computed. [2019-11-07 01:03:35,379 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 545 573) no Hoare annotation was computed. [2019-11-07 01:03:35,379 INFO L446 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: true [2019-11-07 01:03:35,379 INFO L443 ceAbstractionStarter]: For program point L551-1(line 551) no Hoare annotation was computed. [2019-11-07 01:03:35,379 INFO L446 ceAbstractionStarter]: At program point L1026-1(line 1026) the Hoare annotation is: true [2019-11-07 01:03:35,380 INFO L443 ceAbstractionStarter]: For program point L1024(lines 1024 1031) no Hoare annotation was computed. [2019-11-07 01:03:35,380 INFO L443 ceAbstractionStarter]: For program point L1024-1(lines 1024 1031) no Hoare annotation was computed. [2019-11-07 01:03:35,380 INFO L443 ceAbstractionStarter]: For program point L1022(line 1022) no Hoare annotation was computed. [2019-11-07 01:03:35,380 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 1014 1036) the Hoare annotation is: true [2019-11-07 01:03:35,380 INFO L446 ceAbstractionStarter]: At program point L1021(line 1021) the Hoare annotation is: true [2019-11-07 01:03:35,381 INFO L446 ceAbstractionStarter]: At program point L1020(line 1020) the Hoare annotation is: true [2019-11-07 01:03:35,381 INFO L446 ceAbstractionStarter]: At program point L1020-1(line 1020) the Hoare annotation is: true [2019-11-07 01:03:35,382 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 1014 1036) no Hoare annotation was computed. [2019-11-07 01:03:35,382 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 1014 1036) no Hoare annotation was computed. [2019-11-07 01:03:35,382 INFO L446 ceAbstractionStarter]: At program point L1026(line 1026) the Hoare annotation is: true [2019-11-07 01:03:35,382 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 972 995) no Hoare annotation was computed. [2019-11-07 01:03:35,382 INFO L443 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2019-11-07 01:03:35,382 INFO L443 ceAbstractionStarter]: For program point L989(line 989) no Hoare annotation was computed. [2019-11-07 01:03:35,383 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 972 995) no Hoare annotation was computed. [2019-11-07 01:03:35,383 INFO L443 ceAbstractionStarter]: For program point L988(line 988) no Hoare annotation was computed. [2019-11-07 01:03:35,383 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 972 995) no Hoare annotation was computed. [2019-11-07 01:03:35,383 INFO L443 ceAbstractionStarter]: For program point L987(line 987) no Hoare annotation was computed. [2019-11-07 01:03:35,383 INFO L443 ceAbstractionStarter]: For program point L986(line 986) no Hoare annotation was computed. [2019-11-07 01:03:35,383 INFO L443 ceAbstractionStarter]: For program point L985(line 985) no Hoare annotation was computed. [2019-11-07 01:03:35,383 INFO L443 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2019-11-07 01:03:35,384 INFO L443 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2019-11-07 01:03:35,384 INFO L443 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2019-11-07 01:03:35,384 INFO L443 ceAbstractionStarter]: For program point L981(line 981) no Hoare annotation was computed. [2019-11-07 01:03:35,384 INFO L443 ceAbstractionStarter]: For program point L980(line 980) no Hoare annotation was computed. [2019-11-07 01:03:35,384 INFO L443 ceAbstractionStarter]: For program point L979(line 979) no Hoare annotation was computed. [2019-11-07 01:03:35,384 INFO L443 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2019-11-07 01:03:35,385 INFO L443 ceAbstractionStarter]: For program point L977(line 977) no Hoare annotation was computed. [2019-11-07 01:03:35,385 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 385 399) no Hoare annotation was computed. [2019-11-07 01:03:35,385 INFO L446 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: true [2019-11-07 01:03:35,385 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 385 399) the Hoare annotation is: true [2019-11-07 01:03:35,385 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 395) no Hoare annotation was computed. [2019-11-07 01:03:35,386 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 385 399) no Hoare annotation was computed. [2019-11-07 01:03:35,386 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 302 310) no Hoare annotation was computed. [2019-11-07 01:03:35,386 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 302 310) the Hoare annotation is: true [2019-11-07 01:03:35,386 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 302 310) no Hoare annotation was computed. [2019-11-07 01:03:35,386 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 366 384) the Hoare annotation is: true [2019-11-07 01:03:35,386 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 379) no Hoare annotation was computed. [2019-11-07 01:03:35,387 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 366 384) no Hoare annotation was computed. [2019-11-07 01:03:35,387 INFO L446 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2019-11-07 01:03:35,387 INFO L443 ceAbstractionStarter]: For program point L375-2(lines 375 379) no Hoare annotation was computed. [2019-11-07 01:03:35,387 INFO L443 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2019-11-07 01:03:35,387 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 366 384) no Hoare annotation was computed. [2019-11-07 01:03:35,388 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 326) no Hoare annotation was computed. [2019-11-07 01:03:35,388 INFO L443 ceAbstractionStarter]: For program point L318-2(lines 318 326) no Hoare annotation was computed. [2019-11-07 01:03:35,388 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-11-07 01:03:35,388 INFO L443 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2019-11-07 01:03:35,388 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 311 346) no Hoare annotation was computed. [2019-11-07 01:03:35,389 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2019-11-07 01:03:35,389 INFO L443 ceAbstractionStarter]: For program point L330-2(lines 330 338) no Hoare annotation was computed. [2019-11-07 01:03:35,389 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 311 346) no Hoare annotation was computed. [2019-11-07 01:03:35,389 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 311 346) no Hoare annotation was computed. [2019-11-07 01:03:35,389 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 493 499) no Hoare annotation was computed. [2019-11-07 01:03:35,389 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 493 499) the Hoare annotation is: true [2019-11-07 01:03:35,390 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 581 626) no Hoare annotation was computed. [2019-11-07 01:03:35,390 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 581 626) no Hoare annotation was computed. [2019-11-07 01:03:35,390 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 581 626) no Hoare annotation was computed. [2019-11-07 01:03:35,390 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 894 939) no Hoare annotation was computed. [2019-11-07 01:03:35,390 INFO L443 ceAbstractionStarter]: For program point L914(lines 914 921) no Hoare annotation was computed. [2019-11-07 01:03:35,390 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 928) no Hoare annotation was computed. [2019-11-07 01:03:35,391 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 908 928) no Hoare annotation was computed. [2019-11-07 01:03:35,391 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 894 939) no Hoare annotation was computed. [2019-11-07 01:03:35,391 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 894 939) no Hoare annotation was computed. [2019-11-07 01:03:35,391 INFO L446 ceAbstractionStarter]: At program point L1008(line 1008) the Hoare annotation is: true [2019-11-07 01:03:35,391 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 1003 1013) the Hoare annotation is: true [2019-11-07 01:03:35,391 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 1003 1013) no Hoare annotation was computed. [2019-11-07 01:03:35,391 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 1003 1013) no Hoare annotation was computed. [2019-11-07 01:03:35,391 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 291 301) the Hoare annotation is: true [2019-11-07 01:03:35,392 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 291 301) no Hoare annotation was computed. [2019-11-07 01:03:35,392 INFO L446 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: true [2019-11-07 01:03:35,392 INFO L443 ceAbstractionStarter]: For program point L296-1(line 296) no Hoare annotation was computed. [2019-11-07 01:03:35,392 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 291 301) no Hoare annotation was computed. [2019-11-07 01:03:35,392 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 283 290) the Hoare annotation is: true [2019-11-07 01:03:35,392 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 283 290) no Hoare annotation was computed. [2019-11-07 01:03:35,392 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 283 290) no Hoare annotation was computed. [2019-11-07 01:03:35,392 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-11-07 01:03:35,392 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-11-07 01:03:35,393 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-11-07 01:03:35,393 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-11-07 01:03:35,393 INFO L446 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: true [2019-11-07 01:03:35,393 INFO L443 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2019-11-07 01:03:35,393 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 271) no Hoare annotation was computed. [2019-11-07 01:03:35,393 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 250 274) no Hoare annotation was computed. [2019-11-07 01:03:35,393 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 250 274) the Hoare annotation is: true [2019-11-07 01:03:35,393 INFO L446 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: true [2019-11-07 01:03:35,394 INFO L443 ceAbstractionStarter]: For program point L269-1(lines 250 274) no Hoare annotation was computed. [2019-11-07 01:03:35,394 INFO L446 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2019-11-07 01:03:35,394 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-11-07 01:03:35,394 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 266) no Hoare annotation was computed. [2019-11-07 01:03:35,394 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 190 196) no Hoare annotation was computed. [2019-11-07 01:03:35,394 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 190 196) the Hoare annotation is: true [2019-11-07 01:03:35,394 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 410 477) the Hoare annotation is: true [2019-11-07 01:03:35,394 INFO L446 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: true [2019-11-07 01:03:35,394 INFO L443 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2019-11-07 01:03:35,395 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2019-11-07 01:03:35,395 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 410 477) no Hoare annotation was computed. [2019-11-07 01:03:35,395 INFO L446 ceAbstractionStarter]: At program point L467(lines 420 469) the Hoare annotation is: true [2019-11-07 01:03:35,395 INFO L446 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: true [2019-11-07 01:03:35,395 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2019-11-07 01:03:35,395 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2019-11-07 01:03:35,395 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2019-11-07 01:03:35,395 INFO L446 ceAbstractionStarter]: At program point L470(lines 419 471) the Hoare annotation is: true [2019-11-07 01:03:35,395 INFO L446 ceAbstractionStarter]: At program point L460(line 460) the Hoare annotation is: true [2019-11-07 01:03:35,396 INFO L443 ceAbstractionStarter]: For program point L458(lines 458 464) no Hoare annotation was computed. [2019-11-07 01:03:35,396 INFO L446 ceAbstractionStarter]: At program point L458-1(lines 450 465) the Hoare annotation is: true [2019-11-07 01:03:35,396 INFO L443 ceAbstractionStarter]: For program point L421(lines 420 469) no Hoare annotation was computed. [2019-11-07 01:03:35,396 INFO L446 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2019-11-07 01:03:35,396 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 410 477) no Hoare annotation was computed. [2019-11-07 01:03:35,396 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 465) no Hoare annotation was computed. [2019-11-07 01:03:35,396 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 882) no Hoare annotation was computed. [2019-11-07 01:03:35,396 INFO L443 ceAbstractionStarter]: For program point L862-1(lines 862 882) no Hoare annotation was computed. [2019-11-07 01:03:35,396 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 848 893) no Hoare annotation was computed. [2019-11-07 01:03:35,397 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 848 893) no Hoare annotation was computed. [2019-11-07 01:03:35,397 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 848 893) no Hoare annotation was computed. [2019-11-07 01:03:35,397 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 875) no Hoare annotation was computed. [2019-11-07 01:03:35,397 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-11-07 01:03:35,397 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-11-07 01:03:35,397 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-11-07 01:03:35,397 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-11-07 01:03:35,397 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-11-07 01:03:35,397 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-11-07 01:03:35,397 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-11-07 01:03:35,398 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-11-07 01:03:35,398 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 483 492) no Hoare annotation was computed. [2019-11-07 01:03:35,399 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 483 492) no Hoare annotation was computed. [2019-11-07 01:03:35,399 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 483 492) no Hoare annotation was computed. [2019-11-07 01:03:35,399 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 745 847) no Hoare annotation was computed. [2019-11-07 01:03:35,399 INFO L443 ceAbstractionStarter]: For program point L795(lines 794 814) no Hoare annotation was computed. [2019-11-07 01:03:35,399 INFO L443 ceAbstractionStarter]: For program point L826(line 826) no Hoare annotation was computed. [2019-11-07 01:03:35,399 INFO L443 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2019-11-07 01:03:35,399 INFO L443 ceAbstractionStarter]: For program point L791(lines 791 832) no Hoare annotation was computed. [2019-11-07 01:03:35,399 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-11-07 01:03:35,400 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-11-07 01:03:35,400 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 745 847) no Hoare annotation was computed. [2019-11-07 01:03:35,400 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 773) no Hoare annotation was computed. [2019-11-07 01:03:35,400 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 844) no Hoare annotation was computed. [2019-11-07 01:03:35,400 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2019-11-07 01:03:35,400 INFO L443 ceAbstractionStarter]: For program point L794-2(lines 794 814) no Hoare annotation was computed. [2019-11-07 01:03:35,400 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 745 847) no Hoare annotation was computed. [2019-11-07 01:03:35,400 INFO L443 ceAbstractionStarter]: For program point L815(lines 793 816) no Hoare annotation was computed. [2019-11-07 01:03:35,401 INFO L443 ceAbstractionStarter]: For program point L774(lines 774 790) no Hoare annotation was computed. [2019-11-07 01:03:35,402 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 841) no Hoare annotation was computed. [2019-11-07 01:03:35,402 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:35,402 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))) [2019-11-07 01:03:35,402 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:35,403 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2019-11-07 01:03:35,403 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2019-11-07 01:03:35,403 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 275 282) the Hoare annotation is: true [2019-11-07 01:03:35,403 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2019-11-07 01:03:35,403 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-11-07 01:03:35,403 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-11-07 01:03:35,404 INFO L443 ceAbstractionStarter]: For program point L354-1(line 354) no Hoare annotation was computed. [2019-11-07 01:03:35,404 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 347 365) no Hoare annotation was computed. [2019-11-07 01:03:35,404 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 347 365) the Hoare annotation is: true [2019-11-07 01:03:35,404 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 347 365) no Hoare annotation was computed. [2019-11-07 01:03:35,404 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 360) no Hoare annotation was computed. [2019-11-07 01:03:35,404 INFO L446 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: true [2019-11-07 01:03:35,405 INFO L443 ceAbstractionStarter]: For program point L356-2(lines 356 360) no Hoare annotation was computed. [2019-11-07 01:03:35,405 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-11-07 01:03:35,405 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2019-11-07 01:03:35,405 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-11-07 01:03:35,405 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:35,405 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:03:35,405 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:35,406 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-11-07 01:03:35,406 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-11-07 01:03:35,406 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-11-07 01:03:35,406 INFO L446 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2019-11-07 01:03:35,407 INFO L446 ceAbstractionStarter]: At program point L177(lines 177 183) the Hoare annotation is: true [2019-11-07 01:03:35,407 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 163 189) the Hoare annotation is: true [2019-11-07 01:03:35,408 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-11-07 01:03:35,408 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 163 189) no Hoare annotation was computed. [2019-11-07 01:03:35,408 INFO L443 ceAbstractionStarter]: For program point L170(lines 166 188) no Hoare annotation was computed. [2019-11-07 01:03:35,408 INFO L443 ceAbstractionStarter]: For program point L168(lines 166 188) no Hoare annotation was computed. [2019-11-07 01:03:35,408 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 163 189) no Hoare annotation was computed. [2019-11-07 01:03:35,409 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 942 971) no Hoare annotation was computed. [2019-11-07 01:03:35,409 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 942 971) the Hoare annotation is: true [2019-11-07 01:03:35,409 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 960) no Hoare annotation was computed. [2019-11-07 01:03:35,409 INFO L446 ceAbstractionStarter]: At program point L956-1(lines 956 960) the Hoare annotation is: true [2019-11-07 01:03:35,409 INFO L443 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2019-11-07 01:03:35,410 INFO L446 ceAbstractionStarter]: At program point L952-2(lines 952 966) the Hoare annotation is: true [2019-11-07 01:03:35,410 INFO L446 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: true [2019-11-07 01:03:35,410 INFO L443 ceAbstractionStarter]: For program point L948-1(line 948) no Hoare annotation was computed. [2019-11-07 01:03:35,411 INFO L446 ceAbstractionStarter]: At program point L967(lines 942 971) the Hoare annotation is: true [2019-11-07 01:03:35,411 INFO L443 ceAbstractionStarter]: For program point L963(line 963) no Hoare annotation was computed. [2019-11-07 01:03:35,411 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2019-11-07 01:03:35,411 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-11-07 01:03:35,411 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-11-07 01:03:35,412 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 996 1002) no Hoare annotation was computed. [2019-11-07 01:03:35,412 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 996 1002) the Hoare annotation is: true [2019-11-07 01:03:35,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:35,412 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:03:35,412 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:03:35,412 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:35,413 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 400 407) no Hoare annotation was computed. [2019-11-07 01:03:35,413 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 400 407) the Hoare annotation is: true [2019-11-07 01:03:35,413 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 400 407) no Hoare annotation was computed. [2019-11-07 01:03:35,413 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 198 222) the Hoare annotation is: true [2019-11-07 01:03:35,413 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 198 222) no Hoare annotation was computed. [2019-11-07 01:03:35,413 INFO L446 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: true [2019-11-07 01:03:35,413 INFO L443 ceAbstractionStarter]: For program point L217-1(lines 198 222) no Hoare annotation was computed. [2019-11-07 01:03:35,414 INFO L446 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: true [2019-11-07 01:03:35,414 INFO L446 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: true [2019-11-07 01:03:35,414 INFO L443 ceAbstractionStarter]: For program point L206(lines 206 214) no Hoare annotation was computed. [2019-11-07 01:03:35,414 INFO L446 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: true [2019-11-07 01:03:35,414 INFO L443 ceAbstractionStarter]: For program point L204-1(line 204) no Hoare annotation was computed. [2019-11-07 01:03:35,414 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 219) no Hoare annotation was computed. [2019-11-07 01:03:35,414 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-11-07 01:03:35,414 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-11-07 01:03:35,414 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: true [2019-11-07 01:03:35,415 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2019-11-07 01:03:35,415 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 517 524) no Hoare annotation was computed. [2019-11-07 01:03:35,415 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 517 524) the Hoare annotation is: true [2019-11-07 01:03:35,415 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 517 524) no Hoare annotation was computed. [2019-11-07 01:03:35,417 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 224 248) no Hoare annotation was computed. [2019-11-07 01:03:35,417 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 224 248) the Hoare annotation is: true [2019-11-07 01:03:35,417 INFO L446 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2019-11-07 01:03:35,417 INFO L443 ceAbstractionStarter]: For program point L243-1(lines 224 248) no Hoare annotation was computed. [2019-11-07 01:03:35,417 INFO L446 ceAbstractionStarter]: At program point L238(line 238) the Hoare annotation is: true [2019-11-07 01:03:35,417 INFO L446 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: true [2019-11-07 01:03:35,418 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 240) no Hoare annotation was computed. [2019-11-07 01:03:35,418 INFO L446 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2019-11-07 01:03:35,418 INFO L443 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2019-11-07 01:03:35,418 INFO L443 ceAbstractionStarter]: For program point L228(lines 228 245) no Hoare annotation was computed. [2019-11-07 01:03:35,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:03:35 BoogieIcfgContainer [2019-11-07 01:03:35,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:03:35,432 INFO L168 Benchmark]: Toolchain (without parser) took 9936.56 ms. Allocated memory was 143.7 MB in the beginning and 349.7 MB in the end (delta: 206.0 MB). Free memory was 100.7 MB in the beginning and 105.6 MB in the end (delta: -4.9 MB). Peak memory consumption was 201.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:35,433 INFO L168 Benchmark]: CDTParser took 1.11 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 01:03:35,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.92 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.5 MB in the beginning and 166.4 MB in the end (delta: -65.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:35,434 INFO L168 Benchmark]: Boogie Preprocessor took 135.88 ms. Allocated memory is still 200.8 MB. Free memory was 166.4 MB in the beginning and 162.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:35,435 INFO L168 Benchmark]: RCFGBuilder took 1204.82 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 162.1 MB in the beginning and 190.0 MB in the end (delta: -27.9 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:35,436 INFO L168 Benchmark]: TraceAbstraction took 7759.57 ms. Allocated memory was 230.7 MB in the beginning and 349.7 MB in the end (delta: 119.0 MB). Free memory was 190.0 MB in the beginning and 105.6 MB in the end (delta: 84.4 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:35,440 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.11 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 812.92 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.5 MB in the beginning and 166.4 MB in the end (delta: -65.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.88 ms. Allocated memory is still 200.8 MB. Free memory was 166.4 MB in the beginning and 162.1 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1204.82 ms. Allocated memory was 200.8 MB in the beginning and 230.7 MB in the end (delta: 29.9 MB). Free memory was 162.1 MB in the beginning and 190.0 MB in the end (delta: -27.9 MB). Peak memory consumption was 84.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7759.57 ms. Allocated memory was 230.7 MB in the beginning and 349.7 MB in the end (delta: 119.0 MB). Free memory was 190.0 MB in the beginning and 105.6 MB in the end (delta: 84.4 MB). Peak memory consumption was 203.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: 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: 420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 265 locations, 1 error locations. Result: SAFE, OverallTime: 7.6s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1714 SDtfs, 1219 SDslu, 3907 SDs, 0 SdLazy, 1953 SolverSat, 315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 461 GetRequests, 388 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1872occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 328 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 2020 PreInvPairs, 2021 NumberOfFragments, 84 HoareAnnotationTreeSize, 2020 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 74 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1010 NumberOfCodeBlocks, 1010 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1179 ConstructedInterpolants, 0 QuantifiedInterpolants, 260737 SizeOfPredicates, 4 NumberOfNonLiveVariables, 990 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 130/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 133, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8044692737430168, 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...