/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_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:01:46,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:01:46,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:01:46,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:01:46,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:01:46,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:01:46,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:01:46,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:01:46,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:01:46,184 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:01:46,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:01:46,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:01:46,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:01:46,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:01:46,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:01:46,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:01:46,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:01:46,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:01:46,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:01:46,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:01:46,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:01:46,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:01:46,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:01:46,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:01:46,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:01:46,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:01:46,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:01:46,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:01:46,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:01:46,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:01:46,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:01:46,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:01:46,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:01:46,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:01:46,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:01:46,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:01:46,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:01:46,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:01:46,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:01:46,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:01:46,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:01:46,211 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 01:01:46,225 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:01:46,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:01:46,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:01:46,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:01:46,230 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:01:46,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:01:46,231 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:01:46,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:01:46,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:01:46,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:01:46,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:01:46,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:01:46,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:01:46,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:01:46,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:01:46,234 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:01:46,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:01:46,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:01:46,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:01:46,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:01:46,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:01:46,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:46,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:01:46,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:01:46,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:01:46,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:01:46,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:01:46,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:01:46,238 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 01:01:46,542 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:01:46,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:01:46,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:01:46,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:01:46,569 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:01:46,569 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-11-07 01:01:46,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc599d644/d52439ee1cce4db797202d5ff74b870e/FLAGd892bdf53 [2019-11-07 01:01:47,156 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:01:47,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2019-11-07 01:01:47,177 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc599d644/d52439ee1cce4db797202d5ff74b870e/FLAGd892bdf53 [2019-11-07 01:01:47,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc599d644/d52439ee1cce4db797202d5ff74b870e [2019-11-07 01:01:47,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:01:47,465 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:01:47,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:47,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:01:47,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:01:47,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:47" (1/1) ... [2019-11-07 01:01:47,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33cd9037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:47, skipping insertion in model container [2019-11-07 01:01:47,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:47" (1/1) ... [2019-11-07 01:01:47,483 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:01:47,539 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:01:48,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:48,174 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:01:48,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:48,337 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:01:48,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48 WrapperNode [2019-11-07 01:01:48,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:48,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:01:48,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:01:48,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:01:48,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (1/1) ... [2019-11-07 01:01:48,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:01:48,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:01:48,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:01:48,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:01:48,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (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 01:01:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:01:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:01:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:01:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:01:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:01:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:01:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:01:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:01:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:01:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:01:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:01:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:01:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:01:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:01:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:01:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:01:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:01:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:01:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:01:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:01:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:01:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:01:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:01:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:01:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:01:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:01:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:01:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:01:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:01:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:01:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:01:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:01:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:01:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:01:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:01:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:01:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:01:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:01:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:01:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:01:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:01:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:01:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:01:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:01:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:01:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:01:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:01:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:01:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:01:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:01:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:01:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:01:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:01:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:01:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:01:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:01:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:01:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:01:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:01:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:01:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:01:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:01:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:01:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:01:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:01:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:01:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:01:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:01:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:01:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:01:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:01:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:01:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:01:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:01:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:01:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:01:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:01:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:01:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:01:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:01:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:01:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:01:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:01:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:01:49,535 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:01:49,535 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:01:49,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:49 BoogieIcfgContainer [2019-11-07 01:01:49,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:01:49,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:01:49,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:01:49,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:01:49,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:47" (1/3) ... [2019-11-07 01:01:49,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1984b238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:49, skipping insertion in model container [2019-11-07 01:01:49,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:48" (2/3) ... [2019-11-07 01:01:49,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1984b238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:49, skipping insertion in model container [2019-11-07 01:01:49,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:49" (3/3) ... [2019-11-07 01:01:49,546 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2019-11-07 01:01:49,555 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:01:49,565 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:01:49,577 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:01:49,610 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:01:49,610 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:01:49,611 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:01:49,611 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:01:49,611 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:01:49,611 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:01:49,611 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:01:49,611 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:01:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-11-07 01:01:49,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:01:49,639 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:49,640 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:49,641 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:49,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:49,646 INFO L82 PathProgramCache]: Analyzing trace with hash 916136138, now seen corresponding path program 1 times [2019-11-07 01:01:49,654 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:49,654 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313773721] [2019-11-07 01:01:49,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:50,009 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313773721] [2019-11-07 01:01:50,010 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:50,011 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:01:50,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221395895] [2019-11-07 01:01:50,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:50,020 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:50,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:01:50,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:50,042 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-11-07 01:01:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:50,086 INFO L93 Difference]: Finished difference Result 256 states and 317 transitions. [2019-11-07 01:01:50,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:50,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:01:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:50,100 INFO L225 Difference]: With dead ends: 256 [2019-11-07 01:01:50,101 INFO L226 Difference]: Without dead ends: 128 [2019-11-07 01:01:50,105 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 01:01:50,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-11-07 01:01:50,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-11-07 01:01:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-07 01:01:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2019-11-07 01:01:50,162 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 46 [2019-11-07 01:01:50,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:50,163 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2019-11-07 01:01:50,163 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2019-11-07 01:01:50,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:01:50,167 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:50,168 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:50,168 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:50,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:50,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1104947330, now seen corresponding path program 1 times [2019-11-07 01:01:50,169 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:50,169 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194556538] [2019-11-07 01:01:50,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:50,326 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194556538] [2019-11-07 01:01:50,326 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:50,326 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:50,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848897935] [2019-11-07 01:01:50,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:50,329 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:50,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:50,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:50,329 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 3 states. [2019-11-07 01:01:50,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:50,352 INFO L93 Difference]: Finished difference Result 205 states and 239 transitions. [2019-11-07 01:01:50,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:50,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:01:50,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:50,355 INFO L225 Difference]: With dead ends: 205 [2019-11-07 01:01:50,356 INFO L226 Difference]: Without dead ends: 119 [2019-11-07 01:01:50,357 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 01:01:50,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-07 01:01:50,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-07 01:01:50,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-07 01:01:50,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2019-11-07 01:01:50,373 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 47 [2019-11-07 01:01:50,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:50,373 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2019-11-07 01:01:50,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2019-11-07 01:01:50,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 01:01:50,376 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:50,376 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:50,377 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:50,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:50,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1852359913, now seen corresponding path program 1 times [2019-11-07 01:01:50,377 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:50,378 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262478689] [2019-11-07 01:01:50,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:50,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:50,508 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262478689] [2019-11-07 01:01:50,509 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:50,509 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:50,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903008703] [2019-11-07 01:01:50,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:50,510 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:50,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:50,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:50,511 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 7 states. [2019-11-07 01:01:50,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:50,854 INFO L93 Difference]: Finished difference Result 214 states and 253 transitions. [2019-11-07 01:01:50,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:01:50,856 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-11-07 01:01:50,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:50,861 INFO L225 Difference]: With dead ends: 214 [2019-11-07 01:01:50,862 INFO L226 Difference]: Without dead ends: 119 [2019-11-07 01:01:50,864 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:50,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-11-07 01:01:50,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-11-07 01:01:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-11-07 01:01:50,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2019-11-07 01:01:50,894 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 51 [2019-11-07 01:01:50,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:50,894 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2019-11-07 01:01:50,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:50,895 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2019-11-07 01:01:50,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 01:01:50,897 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:50,898 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:50,898 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:50,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:50,899 INFO L82 PathProgramCache]: Analyzing trace with hash 458129541, now seen corresponding path program 1 times [2019-11-07 01:01:50,899 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:50,899 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488597057] [2019-11-07 01:01:50,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:51,085 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488597057] [2019-11-07 01:01:51,085 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:51,086 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:01:51,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285725091] [2019-11-07 01:01:51,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:01:51,087 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:51,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:01:51,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:01:51,087 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 5 states. [2019-11-07 01:01:51,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:51,589 INFO L93 Difference]: Finished difference Result 308 states and 371 transitions. [2019-11-07 01:01:51,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:51,589 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-11-07 01:01:51,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:51,592 INFO L225 Difference]: With dead ends: 308 [2019-11-07 01:01:51,592 INFO L226 Difference]: Without dead ends: 213 [2019-11-07 01:01:51,593 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:01:51,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2019-11-07 01:01:51,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 195. [2019-11-07 01:01:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2019-11-07 01:01:51,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 222 transitions. [2019-11-07 01:01:51,618 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 222 transitions. Word has length 64 [2019-11-07 01:01:51,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:51,618 INFO L462 AbstractCegarLoop]: Abstraction has 195 states and 222 transitions. [2019-11-07 01:01:51,618 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:01:51,619 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 222 transitions. [2019-11-07 01:01:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-07 01:01:51,621 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:51,621 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:51,622 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:51,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:51,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1170867649, now seen corresponding path program 1 times [2019-11-07 01:01:51,622 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:51,623 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863577405] [2019-11-07 01:01:51,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:51,757 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863577405] [2019-11-07 01:01:51,757 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:51,757 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:51,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563839214] [2019-11-07 01:01:51,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:51,759 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:51,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:51,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:51,760 INFO L87 Difference]: Start difference. First operand 195 states and 222 transitions. Second operand 10 states. [2019-11-07 01:01:52,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:52,343 INFO L93 Difference]: Finished difference Result 618 states and 772 transitions. [2019-11-07 01:01:52,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:01:52,344 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2019-11-07 01:01:52,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:52,349 INFO L225 Difference]: With dead ends: 618 [2019-11-07 01:01:52,349 INFO L226 Difference]: Without dead ends: 447 [2019-11-07 01:01:52,351 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:01:52,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-11-07 01:01:52,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 437. [2019-11-07 01:01:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2019-11-07 01:01:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 517 transitions. [2019-11-07 01:01:52,407 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 517 transitions. Word has length 78 [2019-11-07 01:01:52,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:52,408 INFO L462 AbstractCegarLoop]: Abstraction has 437 states and 517 transitions. [2019-11-07 01:01:52,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 517 transitions. [2019-11-07 01:01:52,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-07 01:01:52,421 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:52,421 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 01:01:52,421 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:52,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:52,427 INFO L82 PathProgramCache]: Analyzing trace with hash -772272072, now seen corresponding path program 1 times [2019-11-07 01:01:52,427 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:52,427 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218603762] [2019-11-07 01:01:52,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:52,576 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:01:52,576 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218603762] [2019-11-07 01:01:52,576 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017226899] [2019-11-07 01:01:52,577 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 01:01:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:52,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-07 01:01:52,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:52,877 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 01:01:52,877 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:53,132 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:01:53,133 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:53,133 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2019-11-07 01:01:53,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915513343] [2019-11-07 01:01:53,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:01:53,134 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:53,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:01:53,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:01:53,135 INFO L87 Difference]: Start difference. First operand 437 states and 517 transitions. Second operand 6 states. [2019-11-07 01:01:53,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:53,185 INFO L93 Difference]: Finished difference Result 865 states and 1045 transitions. [2019-11-07 01:01:53,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:01:53,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2019-11-07 01:01:53,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:53,190 INFO L225 Difference]: With dead ends: 865 [2019-11-07 01:01:53,190 INFO L226 Difference]: Without dead ends: 452 [2019-11-07 01:01:53,192 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 257 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 01:01:53,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-11-07 01:01:53,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2019-11-07 01:01:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-11-07 01:01:53,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 533 transitions. [2019-11-07 01:01:53,228 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 533 transitions. Word has length 128 [2019-11-07 01:01:53,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:53,228 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 533 transitions. [2019-11-07 01:01:53,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:01:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 533 transitions. [2019-11-07 01:01:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-07 01:01:53,234 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:53,234 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 01:01:53,439 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:53,439 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:53,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:53,439 INFO L82 PathProgramCache]: Analyzing trace with hash 102234048, now seen corresponding path program 1 times [2019-11-07 01:01:53,440 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:53,440 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193646199] [2019-11-07 01:01:53,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:01:53,552 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193646199] [2019-11-07 01:01:53,552 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769982425] [2019-11-07 01:01:53,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:53,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 831 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-07 01:01:53,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 01:01:53,866 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 01:01:54,113 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:54,114 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2019-11-07 01:01:54,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776115512] [2019-11-07 01:01:54,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:01:54,115 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:54,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:01:54,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-07 01:01:54,116 INFO L87 Difference]: Start difference. First operand 452 states and 533 transitions. Second operand 5 states. [2019-11-07 01:01:54,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:54,149 INFO L93 Difference]: Finished difference Result 812 states and 983 transitions. [2019-11-07 01:01:54,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:01:54,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 132 [2019-11-07 01:01:54,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:54,153 INFO L225 Difference]: With dead ends: 812 [2019-11-07 01:01:54,153 INFO L226 Difference]: Without dead ends: 384 [2019-11-07 01:01:54,155 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 261 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-11-07 01:01:54,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2019-11-07 01:01:54,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2019-11-07 01:01:54,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-11-07 01:01:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2019-11-07 01:01:54,181 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 132 [2019-11-07 01:01:54,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:54,181 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2019-11-07 01:01:54,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:01:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2019-11-07 01:01:54,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-07 01:01:54,184 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:54,184 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:54,388 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:54,389 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:54,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:54,390 INFO L82 PathProgramCache]: Analyzing trace with hash -839247685, now seen corresponding path program 1 times [2019-11-07 01:01:54,391 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:54,391 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303998639] [2019-11-07 01:01:54,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 01:01:54,543 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303998639] [2019-11-07 01:01:54,543 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125439767] [2019-11-07 01:01:54,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:54,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 01:01:54,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:54,796 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:54,797 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 01:01:54,994 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:54,994 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-11-07 01:01:54,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068723329] [2019-11-07 01:01:54,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:01:54,995 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:54,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:01:54,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:54,996 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 5 states. [2019-11-07 01:01:55,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:55,696 INFO L93 Difference]: Finished difference Result 725 states and 890 transitions. [2019-11-07 01:01:55,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:01:55,696 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2019-11-07 01:01:55,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:55,701 INFO L225 Difference]: With dead ends: 725 [2019-11-07 01:01:55,701 INFO L226 Difference]: Without dead ends: 422 [2019-11-07 01:01:55,703 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 272 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:55,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2019-11-07 01:01:55,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 398. [2019-11-07 01:01:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-11-07 01:01:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 475 transitions. [2019-11-07 01:01:55,730 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 475 transitions. Word has length 136 [2019-11-07 01:01:55,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:55,731 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 475 transitions. [2019-11-07 01:01:55,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:01:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 475 transitions. [2019-11-07 01:01:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-07 01:01:55,733 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:55,734 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 01:01:55,946 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:55,947 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:55,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:55,948 INFO L82 PathProgramCache]: Analyzing trace with hash 759278389, now seen corresponding path program 1 times [2019-11-07 01:01:55,948 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:55,948 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548151564] [2019-11-07 01:01:55,949 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 01:01:56,032 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548151564] [2019-11-07 01:01:56,032 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:56,032 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:01:56,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012029133] [2019-11-07 01:01:56,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:01:56,033 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:56,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:01:56,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:01:56,034 INFO L87 Difference]: Start difference. First operand 398 states and 475 transitions. Second operand 6 states. [2019-11-07 01:01:56,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:56,074 INFO L93 Difference]: Finished difference Result 663 states and 803 transitions. [2019-11-07 01:01:56,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:01:56,074 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2019-11-07 01:01:56,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:56,077 INFO L225 Difference]: With dead ends: 663 [2019-11-07 01:01:56,078 INFO L226 Difference]: Without dead ends: 403 [2019-11-07 01:01:56,079 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 01:01:56,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-11-07 01:01:56,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2019-11-07 01:01:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2019-11-07 01:01:56,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 480 transitions. [2019-11-07 01:01:56,116 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 480 transitions. Word has length 132 [2019-11-07 01:01:56,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:56,117 INFO L462 AbstractCegarLoop]: Abstraction has 403 states and 480 transitions. [2019-11-07 01:01:56,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:01:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 480 transitions. [2019-11-07 01:01:56,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-07 01:01:56,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:56,120 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:56,120 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:56,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:56,121 INFO L82 PathProgramCache]: Analyzing trace with hash -117643688, now seen corresponding path program 1 times [2019-11-07 01:01:56,121 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:56,121 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548797461] [2019-11-07 01:01:56,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:56,246 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-07 01:01:56,246 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548797461] [2019-11-07 01:01:56,246 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1397951647] [2019-11-07 01:01:56,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:56,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-07 01:01:56,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:56,694 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:56,834 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 01:01:57,007 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 01:01:57,007 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7, 9] total 17 [2019-11-07 01:01:57,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655649291] [2019-11-07 01:01:57,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:01:57,008 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:57,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:01:57,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2019-11-07 01:01:57,009 INFO L87 Difference]: Start difference. First operand 403 states and 480 transitions. Second operand 8 states. [2019-11-07 01:01:58,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:58,081 INFO L93 Difference]: Finished difference Result 1075 states and 1385 transitions. [2019-11-07 01:01:58,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 01:01:58,082 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2019-11-07 01:01:58,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:58,089 INFO L225 Difference]: With dead ends: 1075 [2019-11-07 01:01:58,090 INFO L226 Difference]: Without dead ends: 755 [2019-11-07 01:01:58,092 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 274 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2019-11-07 01:01:58,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2019-11-07 01:01:58,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 663. [2019-11-07 01:01:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2019-11-07 01:01:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 801 transitions. [2019-11-07 01:01:58,146 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 801 transitions. Word has length 136 [2019-11-07 01:01:58,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:58,146 INFO L462 AbstractCegarLoop]: Abstraction has 663 states and 801 transitions. [2019-11-07 01:01:58,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:01:58,147 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 801 transitions. [2019-11-07 01:01:58,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-07 01:01:58,150 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:58,150 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-11-07 01:01:58,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:58,364 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:58,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:58,365 INFO L82 PathProgramCache]: Analyzing trace with hash 249805299, now seen corresponding path program 1 times [2019-11-07 01:01:58,366 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:58,366 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545111469] [2019-11-07 01:01:58,366 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:58,530 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 01:01:58,531 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545111469] [2019-11-07 01:01:58,531 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:58,531 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:01:58,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833805584] [2019-11-07 01:01:58,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:01:58,533 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:58,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:01:58,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:01:58,534 INFO L87 Difference]: Start difference. First operand 663 states and 801 transitions. Second operand 6 states. [2019-11-07 01:01:58,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:58,720 INFO L93 Difference]: Finished difference Result 680 states and 820 transitions. [2019-11-07 01:01:58,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:01:58,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2019-11-07 01:01:58,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:58,725 INFO L225 Difference]: With dead ends: 680 [2019-11-07 01:01:58,726 INFO L226 Difference]: Without dead ends: 677 [2019-11-07 01:01:58,727 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:01:58,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2019-11-07 01:01:58,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 663. [2019-11-07 01:01:58,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 663 states. [2019-11-07 01:01:58,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 797 transitions. [2019-11-07 01:01:58,765 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 797 transitions. Word has length 132 [2019-11-07 01:01:58,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:58,767 INFO L462 AbstractCegarLoop]: Abstraction has 663 states and 797 transitions. [2019-11-07 01:01:58,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:01:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 797 transitions. [2019-11-07 01:01:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-07 01:01:58,769 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:58,769 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:01:58,769 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:58,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:58,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1295460868, now seen corresponding path program 1 times [2019-11-07 01:01:58,770 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:58,770 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941715954] [2019-11-07 01:01:58,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:58,911 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 01:01:58,911 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941715954] [2019-11-07 01:01:58,911 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807585665] [2019-11-07 01:01:58,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:59,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-07 01:01:59,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:59,338 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 01:01:59,660 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [49144497] [2019-11-07 01:01:59,666 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 137 [2019-11-07 01:01:59,712 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:01:59,713 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:01:59,802 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:01:59,803 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-11-07 01:01:59,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:59,808 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:01:59,903 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:01:59,903 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:01:59,907 INFO L553 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2019-11-07 01:01:59,907 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:01:59,908 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:01:59,909 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 9, 9] total 14 [2019-11-07 01:01:59,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353857570] [2019-11-07 01:01:59,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:59,911 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:59,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:59,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-11-07 01:01:59,911 INFO L87 Difference]: Start difference. First operand 663 states and 797 transitions. Second operand 2 states. [2019-11-07 01:01:59,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:59,920 INFO L93 Difference]: Finished difference Result 663 states and 797 transitions. [2019-11-07 01:01:59,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:59,920 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-11-07 01:01:59,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:59,921 INFO L225 Difference]: With dead ends: 663 [2019-11-07 01:01:59,921 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:01:59,923 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 263 SyntacticMatches, 6 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2019-11-07 01:01:59,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:01:59,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:01:59,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:01:59,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:01:59,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2019-11-07 01:01:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:59,924 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:01:59,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:01:59,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:02:00,129 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:02:00,137 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:02:00,469 INFO L443 ceAbstractionStarter]: For program point L672(lines 672 676) no Hoare annotation was computed. [2019-11-07 01:02:00,470 INFO L443 ceAbstractionStarter]: For program point L672-1(lines 672 676) no Hoare annotation was computed. [2019-11-07 01:02:00,470 INFO L443 ceAbstractionStarter]: For program point L667(line 667) no Hoare annotation was computed. [2019-11-07 01:02:00,470 INFO L443 ceAbstractionStarter]: For program point L666-2(lines 666 687) no Hoare annotation was computed. [2019-11-07 01:02:00,470 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 641 696) no Hoare annotation was computed. [2019-11-07 01:02:00,470 INFO L443 ceAbstractionStarter]: For program point L688(lines 665 689) no Hoare annotation was computed. [2019-11-07 01:02:00,470 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 641 696) no Hoare annotation was computed. [2019-11-07 01:02:00,470 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 641 696) no Hoare annotation was computed. [2019-11-07 01:02:00,471 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-11-07 01:02:00,471 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 729 733) no Hoare annotation was computed. [2019-11-07 01:02:00,471 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 697 756) no Hoare annotation was computed. [2019-11-07 01:02:00,471 INFO L443 ceAbstractionStarter]: For program point L724(line 724) no Hoare annotation was computed. [2019-11-07 01:02:00,471 INFO L443 ceAbstractionStarter]: For program point L723-2(lines 723 748) no Hoare annotation was computed. [2019-11-07 01:02:00,472 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 697 756) no Hoare annotation was computed. [2019-11-07 01:02:00,472 INFO L443 ceAbstractionStarter]: For program point L749(lines 722 750) no Hoare annotation was computed. [2019-11-07 01:02:00,472 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 697 756) no Hoare annotation was computed. [2019-11-07 01:02:00,472 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-11-07 01:02:00,472 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-11-07 01:02:00,472 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 546 552) the Hoare annotation is: true [2019-11-07 01:02:00,473 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 546 552) no Hoare annotation was computed. [2019-11-07 01:02:00,473 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 553 561) no Hoare annotation was computed. [2019-11-07 01:02:00,473 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 553 561) the Hoare annotation is: true [2019-11-07 01:02:00,473 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 553 561) no Hoare annotation was computed. [2019-11-07 01:02:00,473 INFO L446 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: true [2019-11-07 01:02:00,473 INFO L443 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2019-11-07 01:02:00,475 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 563 587) the Hoare annotation is: true [2019-11-07 01:02:00,475 INFO L446 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: true [2019-11-07 01:02:00,475 INFO L443 ceAbstractionStarter]: For program point L573-1(line 573) no Hoare annotation was computed. [2019-11-07 01:02:00,475 INFO L443 ceAbstractionStarter]: For program point L571(lines 571 584) no Hoare annotation was computed. [2019-11-07 01:02:00,475 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 563 587) no Hoare annotation was computed. [2019-11-07 01:02:00,475 INFO L446 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: true [2019-11-07 01:02:00,475 INFO L443 ceAbstractionStarter]: For program point L569-1(line 569) no Hoare annotation was computed. [2019-11-07 01:02:00,476 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 563 587) no Hoare annotation was computed. [2019-11-07 01:02:00,476 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: true [2019-11-07 01:02:00,476 INFO L446 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: true [2019-11-07 01:02:00,476 INFO L446 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: true [2019-11-07 01:02:00,476 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2019-11-07 01:02:00,476 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-11-07 01:02:00,476 INFO L443 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2019-11-07 01:02:00,477 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-11-07 01:02:00,477 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-11-07 01:02:00,477 INFO L446 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2019-11-07 01:02:00,477 INFO L446 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: true [2019-11-07 01:02:00,477 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2019-11-07 01:02:00,477 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2019-11-07 01:02:00,477 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2019-11-07 01:02:00,477 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2019-11-07 01:02:00,478 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-11-07 01:02:00,478 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-11-07 01:02:00,478 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-11-07 01:02:00,478 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-11-07 01:02:00,478 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-11-07 01:02:00,478 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-11-07 01:02:00,478 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-11-07 01:02:00,478 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-11-07 01:02:00,479 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-11-07 01:02:00,479 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-07 01:02:00,479 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-11-07 01:02:00,479 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-11-07 01:02:00,479 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-07 01:02:00,479 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-11-07 01:02:00,479 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 379 387) no Hoare annotation was computed. [2019-11-07 01:02:00,479 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 379 387) the Hoare annotation is: true [2019-11-07 01:02:00,479 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 379 387) no Hoare annotation was computed. [2019-11-07 01:02:00,480 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-11-07 01:02:00,480 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2019-11-07 01:02:00,480 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2019-11-07 01:02:00,480 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-11-07 01:02:00,480 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-11-07 01:02:00,480 INFO L443 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-11-07 01:02:00,480 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2019-11-07 01:02:00,480 INFO L443 ceAbstractionStarter]: For program point L418-1(line 418) no Hoare annotation was computed. [2019-11-07 01:02:00,480 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 415) no Hoare annotation was computed. [2019-11-07 01:02:00,481 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2019-11-07 01:02:00,481 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 388 423) no Hoare annotation was computed. [2019-11-07 01:02:00,481 INFO L443 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2019-11-07 01:02:00,481 INFO L443 ceAbstractionStarter]: For program point L395-2(lines 395 403) no Hoare annotation was computed. [2019-11-07 01:02:00,481 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 388 423) no Hoare annotation was computed. [2019-11-07 01:02:00,481 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 388 423) no Hoare annotation was computed. [2019-11-07 01:02:00,481 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-07 01:02:00,482 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 539 545) no Hoare annotation was computed. [2019-11-07 01:02:00,482 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 539 545) the Hoare annotation is: true [2019-11-07 01:02:00,482 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 595 640) no Hoare annotation was computed. [2019-11-07 01:02:00,482 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 595 640) no Hoare annotation was computed. [2019-11-07 01:02:00,482 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 595 640) no Hoare annotation was computed. [2019-11-07 01:02:00,482 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 935) no Hoare annotation was computed. [2019-11-07 01:02:00,482 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 942) no Hoare annotation was computed. [2019-11-07 01:02:00,482 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 908 953) no Hoare annotation was computed. [2019-11-07 01:02:00,483 INFO L443 ceAbstractionStarter]: For program point L922-1(lines 922 942) no Hoare annotation was computed. [2019-11-07 01:02:00,483 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 908 953) no Hoare annotation was computed. [2019-11-07 01:02:00,483 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 908 953) no Hoare annotation was computed. [2019-11-07 01:02:00,484 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: true [2019-11-07 01:02:00,484 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2019-11-07 01:02:00,484 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2019-11-07 01:02:00,484 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 368 378) no Hoare annotation was computed. [2019-11-07 01:02:00,484 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 368 378) no Hoare annotation was computed. [2019-11-07 01:02:00,484 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 368 378) no Hoare annotation was computed. [2019-11-07 01:02:00,484 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-11-07 01:02:00,484 INFO L443 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2019-11-07 01:02:00,485 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 360 367) the Hoare annotation is: true [2019-11-07 01:02:00,485 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 360 367) no Hoare annotation was computed. [2019-11-07 01:02:00,485 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 360 367) no Hoare annotation was computed. [2019-11-07 01:02:00,485 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-11-07 01:02:00,485 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2019-11-07 01:02:00,485 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2019-11-07 01:02:00,485 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2019-11-07 01:02:00,485 INFO L446 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: true [2019-11-07 01:02:00,485 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2019-11-07 01:02:00,486 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 327 351) no Hoare annotation was computed. [2019-11-07 01:02:00,486 INFO L446 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: true [2019-11-07 01:02:00,486 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 327 351) the Hoare annotation is: true [2019-11-07 01:02:00,486 INFO L446 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: true [2019-11-07 01:02:00,486 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 343) no Hoare annotation was computed. [2019-11-07 01:02:00,486 INFO L446 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: true [2019-11-07 01:02:00,486 INFO L443 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2019-11-07 01:02:00,486 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 348) no Hoare annotation was computed. [2019-11-07 01:02:00,486 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 293 299) no Hoare annotation was computed. [2019-11-07 01:02:00,487 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 293 299) the Hoare annotation is: true [2019-11-07 01:02:00,487 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 463 526) the Hoare annotation is: true [2019-11-07 01:02:00,487 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2019-11-07 01:02:00,487 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 463 526) no Hoare annotation was computed. [2019-11-07 01:02:00,487 INFO L446 ceAbstractionStarter]: At program point L519(lines 472 520) the Hoare annotation is: true [2019-11-07 01:02:00,487 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 513) no Hoare annotation was computed. [2019-11-07 01:02:00,487 INFO L446 ceAbstractionStarter]: At program point L509-2(lines 503 514) the Hoare annotation is: true [2019-11-07 01:02:00,487 INFO L443 ceAbstractionStarter]: For program point L474(lines 473 518) no Hoare annotation was computed. [2019-11-07 01:02:00,487 INFO L443 ceAbstractionStarter]: For program point L503(lines 503 514) no Hoare annotation was computed. [2019-11-07 01:02:00,488 INFO L446 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: true [2019-11-07 01:02:00,488 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 499) no Hoare annotation was computed. [2019-11-07 01:02:00,488 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 493 499) no Hoare annotation was computed. [2019-11-07 01:02:00,488 INFO L446 ceAbstractionStarter]: At program point L485(line 485) the Hoare annotation is: true [2019-11-07 01:02:00,488 INFO L446 ceAbstractionStarter]: At program point L516(lines 473 518) the Hoare annotation is: true [2019-11-07 01:02:00,488 INFO L443 ceAbstractionStarter]: For program point L483(lines 483 489) no Hoare annotation was computed. [2019-11-07 01:02:00,488 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 463 526) no Hoare annotation was computed. [2019-11-07 01:02:00,488 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 483 489) no Hoare annotation was computed. [2019-11-07 01:02:00,488 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 862 907) no Hoare annotation was computed. [2019-11-07 01:02:00,489 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 862 907) no Hoare annotation was computed. [2019-11-07 01:02:00,489 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 889) no Hoare annotation was computed. [2019-11-07 01:02:00,489 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 862 907) no Hoare annotation was computed. [2019-11-07 01:02:00,489 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 896) no Hoare annotation was computed. [2019-11-07 01:02:00,489 INFO L443 ceAbstractionStarter]: For program point L876-1(lines 876 896) no Hoare annotation was computed. [2019-11-07 01:02:00,489 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2019-11-07 01:02:00,489 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2019-11-07 01:02:00,489 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2019-11-07 01:02:00,489 INFO L443 ceAbstractionStarter]: For program point L112(lines 112 120) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 529 538) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 529 538) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 529 538) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 759 861) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2019-11-07 01:02:00,490 INFO L443 ceAbstractionStarter]: For program point L824-1(line 824) no Hoare annotation was computed. [2019-11-07 01:02:00,491 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 787) no Hoare annotation was computed. [2019-11-07 01:02:00,491 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 858) no Hoare annotation was computed. [2019-11-07 01:02:00,491 INFO L443 ceAbstractionStarter]: For program point L810(lines 810 814) no Hoare annotation was computed. [2019-11-07 01:02:00,491 INFO L443 ceAbstractionStarter]: For program point L808-2(lines 808 828) no Hoare annotation was computed. [2019-11-07 01:02:00,491 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 759 861) no Hoare annotation was computed. [2019-11-07 01:02:00,491 INFO L443 ceAbstractionStarter]: For program point L829(lines 807 830) no Hoare annotation was computed. [2019-11-07 01:02:00,491 INFO L443 ceAbstractionStarter]: For program point L788(lines 788 804) no Hoare annotation was computed. [2019-11-07 01:02:00,491 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 759 861) no Hoare annotation was computed. [2019-11-07 01:02:00,491 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 855) no Hoare annotation was computed. [2019-11-07 01:02:00,492 INFO L443 ceAbstractionStarter]: For program point L809(lines 808 828) no Hoare annotation was computed. [2019-11-07 01:02:00,492 INFO L443 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2019-11-07 01:02:00,492 INFO L443 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2019-11-07 01:02:00,492 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 846) no Hoare annotation was computed. [2019-11-07 01:02:00,492 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,492 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-11-07 01:02:00,492 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,492 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2019-11-07 01:02:00,492 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2019-11-07 01:02:00,493 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 352 359) the Hoare annotation is: true [2019-11-07 01:02:00,493 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 127 135) the Hoare annotation is: true [2019-11-07 01:02:00,493 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2019-11-07 01:02:00,494 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2019-11-07 01:02:00,494 INFO L443 ceAbstractionStarter]: For program point L433(lines 433 437) no Hoare annotation was computed. [2019-11-07 01:02:00,494 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 424 442) no Hoare annotation was computed. [2019-11-07 01:02:00,494 INFO L446 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: true [2019-11-07 01:02:00,494 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2019-11-07 01:02:00,494 INFO L443 ceAbstractionStarter]: For program point L431-1(line 431) no Hoare annotation was computed. [2019-11-07 01:02:00,494 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 424 442) the Hoare annotation is: true [2019-11-07 01:02:00,494 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 424 442) no Hoare annotation was computed. [2019-11-07 01:02:00,494 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2019-11-07 01:02:00,495 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2019-11-07 01:02:00,495 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2019-11-07 01:02:00,495 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,495 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,495 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,495 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 95 103) no Hoare annotation was computed. [2019-11-07 01:02:00,495 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2019-11-07 01:02:00,495 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2019-11-07 01:02:00,495 INFO L446 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: true [2019-11-07 01:02:00,496 INFO L446 ceAbstractionStarter]: At program point L280(lines 280 286) the Hoare annotation is: true [2019-11-07 01:02:00,496 INFO L446 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: true [2019-11-07 01:02:00,496 INFO L443 ceAbstractionStarter]: For program point L273(lines 272 291) no Hoare annotation was computed. [2019-11-07 01:02:00,496 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 269 292) the Hoare annotation is: true [2019-11-07 01:02:00,497 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 269 292) no Hoare annotation was computed. [2019-11-07 01:02:00,497 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 269 292) no Hoare annotation was computed. [2019-11-07 01:02:00,497 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2019-11-07 01:02:00,497 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2019-11-07 01:02:00,497 INFO L446 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2019-11-07 01:02:00,497 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-11-07 01:02:00,497 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-11-07 01:02:00,497 INFO L446 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2019-11-07 01:02:00,498 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-11-07 01:02:00,498 INFO L446 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2019-11-07 01:02:00,498 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-11-07 01:02:00,498 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-11-07 01:02:00,498 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: true [2019-11-07 01:02:00,499 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2019-11-07 01:02:00,499 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2019-11-07 01:02:00,499 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2019-11-07 01:02:00,499 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2019-11-07 01:02:00,499 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,500 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:02:00,500 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:02:00,500 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:02:00,500 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 301 325) the Hoare annotation is: true [2019-11-07 01:02:00,500 INFO L446 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: true [2019-11-07 01:02:00,500 INFO L443 ceAbstractionStarter]: For program point L320-1(lines 301 325) no Hoare annotation was computed. [2019-11-07 01:02:00,500 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 301 325) no Hoare annotation was computed. [2019-11-07 01:02:00,500 INFO L446 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: true [2019-11-07 01:02:00,501 INFO L446 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: true [2019-11-07 01:02:00,501 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 317) no Hoare annotation was computed. [2019-11-07 01:02:00,501 INFO L446 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: true [2019-11-07 01:02:00,501 INFO L443 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2019-11-07 01:02:00,501 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 322) no Hoare annotation was computed. [2019-11-07 01:02:00,501 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2019-11-07 01:02:00,501 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2019-11-07 01:02:00,501 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: true [2019-11-07 01:02:00,502 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:02:00,502 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-07 01:02:00,502 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-11-07 01:02:00,502 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:02:00,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:02:00 BoogieIcfgContainer [2019-11-07 01:02:00,523 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:02:00,535 INFO L168 Benchmark]: Toolchain (without parser) took 13060.48 ms. Allocated memory was 144.7 MB in the beginning and 412.1 MB in the end (delta: 267.4 MB). Free memory was 100.9 MB in the beginning and 124.4 MB in the end (delta: -23.6 MB). Peak memory consumption was 243.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,536 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 01:02:00,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 871.70 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.4 MB in the beginning and 170.1 MB in the end (delta: -69.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,537 INFO L168 Benchmark]: Boogie Preprocessor took 102.99 ms. Allocated memory is still 203.4 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,543 INFO L168 Benchmark]: RCFGBuilder took 1095.82 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 166.1 MB in the beginning and 197.7 MB in the end (delta: -31.6 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,544 INFO L168 Benchmark]: TraceAbstraction took 10984.40 ms. Allocated memory was 235.4 MB in the beginning and 412.1 MB in the end (delta: 176.7 MB). Free memory was 196.0 MB in the beginning and 124.4 MB in the end (delta: 71.6 MB). Peak memory consumption was 248.3 MB. Max. memory is 7.1 GB. [2019-11-07 01:02:00,549 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 144.7 MB. Free memory is still 119.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 871.70 ms. Allocated memory was 144.7 MB in the beginning and 203.4 MB in the end (delta: 58.7 MB). Free memory was 100.4 MB in the beginning and 170.1 MB in the end (delta: -69.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.99 ms. Allocated memory is still 203.4 MB. Free memory was 170.1 MB in the beginning and 166.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1095.82 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 166.1 MB in the beginning and 197.7 MB in the end (delta: -31.6 MB). Peak memory consumption was 82.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10984.40 ms. Allocated memory was 235.4 MB in the beginning and 412.1 MB in the end (delta: 176.7 MB). Free memory was 196.0 MB in the beginning and 124.4 MB in the end (delta: 71.6 MB). Peak memory consumption was 248.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Result: SAFE, OverallTime: 10.8s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1686 SDtfs, 1377 SDslu, 3811 SDs, 0 SdLazy, 1949 SolverSat, 601 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1468 GetRequests, 1354 SyntacticMatches, 16 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=663occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 158 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1221 PreInvPairs, 1222 NumberOfFragments, 64 HoareAnnotationTreeSize, 1221 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1886 NumberOfCodeBlocks, 1886 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2532 ConstructedInterpolants, 0 QuantifiedInterpolants, 471098 SizeOfPredicates, 22 NumberOfNonLiveVariables, 4166 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 22 InterpolantComputations, 11 PerfectInterpolantSequences, 455/510 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 142, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.9037037037037037, 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...