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_spec2_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:06,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:06,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:07,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:07,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:07,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:07,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:07,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:07,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:07,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:07,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:07,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:07,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:07,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:07,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:07,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:07,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:07,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:07,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:07,031 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:07,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:07,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:07,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:07,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:07,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:07,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:07,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:07,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:07,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:07,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:07,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:07,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:07,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:07,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:07,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:07,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:07,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:07,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:07,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:07,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:07,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:07,064 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:07,085 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:07,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:07,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:07,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:07,088 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:07,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:07,088 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:07,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:07,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:07,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:07,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:07,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:07,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:07,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:07,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:07,091 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:07,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:07,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:07,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:07,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:07,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:07,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:07,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:07,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:07,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:07,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:07,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:07,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:07,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:07,389 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:07,403 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:07,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:07,408 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:07,408 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:07,409 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2019-10-15 01:20:07,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c691c95/2b1c27c075bf4834b656121b66162b67/FLAG9ef2b83c0 [2019-10-15 01:20:08,084 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:08,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product59.cil.c [2019-10-15 01:20:08,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c691c95/2b1c27c075bf4834b656121b66162b67/FLAG9ef2b83c0 [2019-10-15 01:20:08,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c691c95/2b1c27c075bf4834b656121b66162b67 [2019-10-15 01:20:08,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:08,435 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:08,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:08,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:08,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:08,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:08" (1/1) ... [2019-10-15 01:20:08,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30b9758f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:08, skipping insertion in model container [2019-10-15 01:20:08,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:08" (1/1) ... [2019-10-15 01:20:08,451 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:08,494 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:08,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:08,988 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:09,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:09,140 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:09,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09 WrapperNode [2019-10-15 01:20:09,141 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:09,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:09,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:09,142 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:09,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09" (1/1) ... [2019-10-15 01:20:09,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09" (1/1) ... [2019-10-15 01:20:09,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09" (1/1) ... [2019-10-15 01:20:09,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09" (1/1) ... [2019-10-15 01:20:09,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09" (1/1) ... [2019-10-15 01:20:09,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09" (1/1) ... [2019-10-15 01:20:09,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09" (1/1) ... [2019-10-15 01:20:09,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:09,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:09,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:09,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:09,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:09,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:09,308 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:09,309 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:09,310 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:09,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:09,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:09,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:20:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:20:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:09,316 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:09,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:09,317 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:09,317 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:09,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:09,319 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:09,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:20:09,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:09,321 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:20:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:09,322 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:20:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-15 01:20:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:09,323 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:20:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:20:09,324 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:20:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:09,325 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-15 01:20:09,326 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:09,327 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:09,328 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:09,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:10,482 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:10,482 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:10,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:10 BoogieIcfgContainer [2019-10-15 01:20:10,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:10,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:10,486 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:10,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:10,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:08" (1/3) ... [2019-10-15 01:20:10,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ba7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:10, skipping insertion in model container [2019-10-15 01:20:10,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:09" (2/3) ... [2019-10-15 01:20:10,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ba7d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:10, skipping insertion in model container [2019-10-15 01:20:10,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:10" (3/3) ... [2019-10-15 01:20:10,494 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2019-10-15 01:20:10,504 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:10,515 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:10,528 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:10,566 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:10,566 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:10,567 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:10,567 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:10,567 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:10,568 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:10,568 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:10,568 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states. [2019-10-15 01:20:10,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:20:10,603 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:10,604 INFO L380 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] [2019-10-15 01:20:10,607 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:10,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:10,613 INFO L82 PathProgramCache]: Analyzing trace with hash -2013010426, now seen corresponding path program 1 times [2019-10-15 01:20:10,622 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:10,622 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940824439] [2019-10-15 01:20:10,622 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:10,623 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:10,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:11,016 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940824439] [2019-10-15 01:20:11,017 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:11,017 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:11,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535050040] [2019-10-15 01:20:11,022 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:11,024 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:11,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:11,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:11,038 INFO L87 Difference]: Start difference. First operand 194 states. Second operand 2 states. [2019-10-15 01:20:11,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:11,080 INFO L93 Difference]: Finished difference Result 298 states and 369 transitions. [2019-10-15 01:20:11,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:11,082 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-10-15 01:20:11,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:11,099 INFO L225 Difference]: With dead ends: 298 [2019-10-15 01:20:11,100 INFO L226 Difference]: Without dead ends: 151 [2019-10-15 01:20:11,104 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:11,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-15 01:20:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2019-10-15 01:20:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2019-10-15 01:20:11,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2019-10-15 01:20:11,158 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 51 [2019-10-15 01:20:11,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:11,159 INFO L462 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2019-10-15 01:20:11,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2019-10-15 01:20:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:11,165 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:11,165 INFO L380 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] [2019-10-15 01:20:11,165 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:11,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:11,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1660126963, now seen corresponding path program 1 times [2019-10-15 01:20:11,166 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:11,167 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418620919] [2019-10-15 01:20:11,168 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,168 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:11,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:11,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418620919] [2019-10-15 01:20:11,319 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:11,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:11,320 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922224095] [2019-10-15 01:20:11,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:11,323 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:11,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:11,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:11,324 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand 3 states. [2019-10-15 01:20:11,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:11,369 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2019-10-15 01:20:11,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:11,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-10-15 01:20:11,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:11,378 INFO L225 Difference]: With dead ends: 241 [2019-10-15 01:20:11,378 INFO L226 Difference]: Without dead ends: 142 [2019-10-15 01:20:11,382 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:11,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-10-15 01:20:11,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-10-15 01:20:11,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-10-15 01:20:11,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2019-10-15 01:20:11,415 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 52 [2019-10-15 01:20:11,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:11,415 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2019-10-15 01:20:11,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:11,416 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2019-10-15 01:20:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-15 01:20:11,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:11,423 INFO L380 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] [2019-10-15 01:20:11,423 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:11,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:11,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1605789181, now seen corresponding path program 1 times [2019-10-15 01:20:11,426 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:11,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153945877] [2019-10-15 01:20:11,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:11,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:11,616 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153945877] [2019-10-15 01:20:11,616 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:11,617 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:11,617 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413042560] [2019-10-15 01:20:11,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:11,618 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:11,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:11,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:11,619 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 7 states. [2019-10-15 01:20:12,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:12,228 INFO L93 Difference]: Finished difference Result 421 states and 510 transitions. [2019-10-15 01:20:12,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:12,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-15 01:20:12,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:12,244 INFO L225 Difference]: With dead ends: 421 [2019-10-15 01:20:12,244 INFO L226 Difference]: Without dead ends: 307 [2019-10-15 01:20:12,248 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:12,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2019-10-15 01:20:12,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 299. [2019-10-15 01:20:12,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2019-10-15 01:20:12,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 362 transitions. [2019-10-15 01:20:12,327 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 362 transitions. Word has length 56 [2019-10-15 01:20:12,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:12,327 INFO L462 AbstractCegarLoop]: Abstraction has 299 states and 362 transitions. [2019-10-15 01:20:12,327 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 362 transitions. [2019-10-15 01:20:12,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-15 01:20:12,330 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:12,331 INFO L380 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] [2019-10-15 01:20:12,331 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:12,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:12,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1990007725, now seen corresponding path program 1 times [2019-10-15 01:20:12,332 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:12,332 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482566263] [2019-10-15 01:20:12,332 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,332 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:12,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482566263] [2019-10-15 01:20:12,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:12,439 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:12,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96093168] [2019-10-15 01:20:12,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:12,440 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:12,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:12,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:12,441 INFO L87 Difference]: Start difference. First operand 299 states and 362 transitions. Second operand 6 states. [2019-10-15 01:20:12,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:12,692 INFO L93 Difference]: Finished difference Result 823 states and 1020 transitions. [2019-10-15 01:20:12,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:12,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-10-15 01:20:12,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:12,703 INFO L225 Difference]: With dead ends: 823 [2019-10-15 01:20:12,703 INFO L226 Difference]: Without dead ends: 552 [2019-10-15 01:20:12,710 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:12,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-10-15 01:20:12,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 546. [2019-10-15 01:20:12,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2019-10-15 01:20:12,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 664 transitions. [2019-10-15 01:20:12,789 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 664 transitions. Word has length 62 [2019-10-15 01:20:12,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:12,790 INFO L462 AbstractCegarLoop]: Abstraction has 546 states and 664 transitions. [2019-10-15 01:20:12,790 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:12,790 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 664 transitions. [2019-10-15 01:20:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 01:20:12,794 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:12,794 INFO L380 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] [2019-10-15 01:20:12,794 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:12,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:12,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1656310289, now seen corresponding path program 1 times [2019-10-15 01:20:12,795 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:12,795 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098361421] [2019-10-15 01:20:12,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,796 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:12,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:12,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098361421] [2019-10-15 01:20:12,919 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:12,919 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:12,919 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530286317] [2019-10-15 01:20:12,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:12,920 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:12,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:12,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:12,921 INFO L87 Difference]: Start difference. First operand 546 states and 664 transitions. Second operand 7 states. [2019-10-15 01:20:13,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:13,675 INFO L93 Difference]: Finished difference Result 1389 states and 1810 transitions. [2019-10-15 01:20:13,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:20:13,676 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-10-15 01:20:13,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:13,683 INFO L225 Difference]: With dead ends: 1389 [2019-10-15 01:20:13,683 INFO L226 Difference]: Without dead ends: 871 [2019-10-15 01:20:13,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:13,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2019-10-15 01:20:13,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 775. [2019-10-15 01:20:13,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2019-10-15 01:20:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2019-10-15 01:20:13,748 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 66 [2019-10-15 01:20:13,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:13,749 INFO L462 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2019-10-15 01:20:13,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:13,749 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2019-10-15 01:20:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:20:13,752 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:13,753 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:13,753 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:13,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1069328684, now seen corresponding path program 1 times [2019-10-15 01:20:13,754 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:13,754 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287975179] [2019-10-15 01:20:13,754 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,754 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:13,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:13,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287975179] [2019-10-15 01:20:13,858 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:13,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:13,859 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760562026] [2019-10-15 01:20:13,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:13,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:13,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:13,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:13,860 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 6 states. [2019-10-15 01:20:13,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:13,963 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2019-10-15 01:20:13,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:13,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-10-15 01:20:13,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:13,969 INFO L225 Difference]: With dead ends: 1550 [2019-10-15 01:20:13,969 INFO L226 Difference]: Without dead ends: 803 [2019-10-15 01:20:13,972 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:13,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2019-10-15 01:20:14,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 795. [2019-10-15 01:20:14,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2019-10-15 01:20:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 959 transitions. [2019-10-15 01:20:14,023 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 959 transitions. Word has length 103 [2019-10-15 01:20:14,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:14,024 INFO L462 AbstractCegarLoop]: Abstraction has 795 states and 959 transitions. [2019-10-15 01:20:14,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 959 transitions. [2019-10-15 01:20:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:20:14,027 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:14,027 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:14,027 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:14,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,028 INFO L82 PathProgramCache]: Analyzing trace with hash 858944018, now seen corresponding path program 1 times [2019-10-15 01:20:14,028 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:14,028 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983237420] [2019-10-15 01:20:14,029 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,029 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,029 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:14,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983237420] [2019-10-15 01:20:14,115 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:14,115 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:20:14,116 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985447872] [2019-10-15 01:20:14,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:14,117 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:14,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:14,117 INFO L87 Difference]: Start difference. First operand 795 states and 959 transitions. Second operand 8 states. [2019-10-15 01:20:14,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:14,181 INFO L93 Difference]: Finished difference Result 1590 states and 1978 transitions. [2019-10-15 01:20:14,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:14,181 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-15 01:20:14,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:14,187 INFO L225 Difference]: With dead ends: 1590 [2019-10-15 01:20:14,187 INFO L226 Difference]: Without dead ends: 823 [2019-10-15 01:20:14,190 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:20:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2019-10-15 01:20:14,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 811. [2019-10-15 01:20:14,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-10-15 01:20:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 975 transitions. [2019-10-15 01:20:14,240 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 975 transitions. Word has length 103 [2019-10-15 01:20:14,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:14,240 INFO L462 AbstractCegarLoop]: Abstraction has 811 states and 975 transitions. [2019-10-15 01:20:14,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:14,241 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 975 transitions. [2019-10-15 01:20:14,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-15 01:20:14,243 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:14,244 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:14,244 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:14,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,245 INFO L82 PathProgramCache]: Analyzing trace with hash 618403889, now seen corresponding path program 1 times [2019-10-15 01:20:14,245 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:14,245 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669597342] [2019-10-15 01:20:14,245 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,245 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:14,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669597342] [2019-10-15 01:20:14,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:14,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:20:14,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669581967] [2019-10-15 01:20:14,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:20:14,338 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:14,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:20:14,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:14,339 INFO L87 Difference]: Start difference. First operand 811 states and 975 transitions. Second operand 4 states. [2019-10-15 01:20:14,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:14,671 INFO L93 Difference]: Finished difference Result 2557 states and 3226 transitions. [2019-10-15 01:20:14,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:20:14,671 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-10-15 01:20:14,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:14,685 INFO L225 Difference]: With dead ends: 2557 [2019-10-15 01:20:14,686 INFO L226 Difference]: Without dead ends: 1774 [2019-10-15 01:20:14,691 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:20:14,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2019-10-15 01:20:14,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1743. [2019-10-15 01:20:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2019-10-15 01:20:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2151 transitions. [2019-10-15 01:20:14,850 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2151 transitions. Word has length 103 [2019-10-15 01:20:14,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:14,851 INFO L462 AbstractCegarLoop]: Abstraction has 1743 states and 2151 transitions. [2019-10-15 01:20:14,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:20:14,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2151 transitions. [2019-10-15 01:20:14,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-15 01:20:14,856 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:14,856 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:14,857 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:14,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:14,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1230367511, now seen corresponding path program 1 times [2019-10-15 01:20:14,857 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:14,858 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575045876] [2019-10-15 01:20:14,858 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,858 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:14,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:14,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:14,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575045876] [2019-10-15 01:20:14,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855267305] [2019-10-15 01:20:14,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:15,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:20:15,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:15,449 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:16,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:16,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:16,606 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:20:16,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885769311] [2019-10-15 01:20:16,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:16,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:16,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:16,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:16,609 INFO L87 Difference]: Start difference. First operand 1743 states and 2151 transitions. Second operand 8 states. [2019-10-15 01:20:16,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:16,943 INFO L93 Difference]: Finished difference Result 3432 states and 4254 transitions. [2019-10-15 01:20:16,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:16,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-15 01:20:16,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:16,957 INFO L225 Difference]: With dead ends: 3432 [2019-10-15 01:20:16,957 INFO L226 Difference]: Without dead ends: 1717 [2019-10-15 01:20:16,964 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 197 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:20:16,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2019-10-15 01:20:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2019-10-15 01:20:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1717 states. [2019-10-15 01:20:17,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2075 transitions. [2019-10-15 01:20:17,142 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2075 transitions. Word has length 107 [2019-10-15 01:20:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,142 INFO L462 AbstractCegarLoop]: Abstraction has 1717 states and 2075 transitions. [2019-10-15 01:20:17,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2075 transitions. [2019-10-15 01:20:17,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 01:20:17,151 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,151 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:17,360 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:17,360 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:17,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,361 INFO L82 PathProgramCache]: Analyzing trace with hash 378805481, now seen corresponding path program 1 times [2019-10-15 01:20:17,361 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:17,361 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42890020] [2019-10-15 01:20:17,362 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,362 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:17,464 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 01:20:17,465 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42890020] [2019-10-15 01:20:17,465 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:17,465 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:17,465 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942044776] [2019-10-15 01:20:17,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:17,470 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:17,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:17,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:17,471 INFO L87 Difference]: Start difference. First operand 1717 states and 2075 transitions. Second operand 3 states. [2019-10-15 01:20:17,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:17,573 INFO L93 Difference]: Finished difference Result 2738 states and 3399 transitions. [2019-10-15 01:20:17,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:17,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-15 01:20:17,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:17,595 INFO L225 Difference]: With dead ends: 2738 [2019-10-15 01:20:17,595 INFO L226 Difference]: Without dead ends: 2735 [2019-10-15 01:20:17,598 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:17,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2019-10-15 01:20:17,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 2577. [2019-10-15 01:20:17,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2577 states. [2019-10-15 01:20:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3207 transitions. [2019-10-15 01:20:17,790 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3207 transitions. Word has length 160 [2019-10-15 01:20:17,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:17,791 INFO L462 AbstractCegarLoop]: Abstraction has 2577 states and 3207 transitions. [2019-10-15 01:20:17,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3207 transitions. [2019-10-15 01:20:17,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-10-15 01:20:17,803 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:17,804 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-15 01:20:17,804 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:17,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:17,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1701171512, now seen corresponding path program 1 times [2019-10-15 01:20:17,807 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:17,807 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519276197] [2019-10-15 01:20:17,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:17,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,139 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:20:18,140 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519276197] [2019-10-15 01:20:18,140 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061852083] [2019-10-15 01:20:18,140 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 [2019-10-15 01:20:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:18,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:20:18,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:18,496 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-15 01:20:18,553 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:18,801 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:18,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:18,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:18,890 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:18,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:20:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-10-15 01:20:19,228 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1704773987] [2019-10-15 01:20:19,235 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 221 [2019-10-15 01:20:19,292 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:20:19,292 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:20:19,385 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:20:19,386 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-15 01:20:19,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:19,391 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:20:19,490 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-15 01:20:19,491 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:20:19,498 INFO L553 sIntCurrentIteration]: We unified 219 AI predicates to 219 [2019-10-15 01:20:19,498 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:20:19,499 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:20:19,500 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 10, 10] total 17 [2019-10-15 01:20:19,500 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011748528] [2019-10-15 01:20:19,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:19,507 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:19,507 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:20:19,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:19,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:19,508 INFO L87 Difference]: Start difference. First operand 2577 states and 3207 transitions. Second operand 2 states. [2019-10-15 01:20:19,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:19,551 INFO L93 Difference]: Finished difference Result 2577 states and 3207 transitions. [2019-10-15 01:20:19,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:19,552 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 220 [2019-10-15 01:20:19,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:19,553 INFO L225 Difference]: With dead ends: 2577 [2019-10-15 01:20:19,553 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:19,560 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:19,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:19,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:19,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:19,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2019-10-15 01:20:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:19,562 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:19,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:19,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:19,769 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:19,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:20,366 INFO L443 ceAbstractionStarter]: For program point L634(lines 611 635) no Hoare annotation was computed. [2019-10-15 01:20:20,366 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 587 642) no Hoare annotation was computed. [2019-10-15 01:20:20,367 INFO L443 ceAbstractionStarter]: For program point L618(lines 618 622) no Hoare annotation was computed. [2019-10-15 01:20:20,367 INFO L443 ceAbstractionStarter]: For program point L618-1(lines 618 622) no Hoare annotation was computed. [2019-10-15 01:20:20,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 587 642) no Hoare annotation was computed. [2019-10-15 01:20:20,367 INFO L443 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2019-10-15 01:20:20,367 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 587 642) no Hoare annotation was computed. [2019-10-15 01:20:20,367 INFO L443 ceAbstractionStarter]: For program point L612-2(lines 612 633) no Hoare annotation was computed. [2019-10-15 01:20:20,367 INFO L443 ceAbstractionStarter]: For program point L670(line 670) no Hoare annotation was computed. [2019-10-15 01:20:20,367 INFO L443 ceAbstractionStarter]: For program point L669-2(lines 669 694) no Hoare annotation was computed. [2019-10-15 01:20:20,368 INFO L443 ceAbstractionStarter]: For program point L695(lines 668 696) no Hoare annotation was computed. [2019-10-15 01:20:20,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 643 702) no Hoare annotation was computed. [2019-10-15 01:20:20,368 INFO L443 ceAbstractionStarter]: For program point L688(line 688) no Hoare annotation was computed. [2019-10-15 01:20:20,368 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-10-15 01:20:20,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 643 702) no Hoare annotation was computed. [2019-10-15 01:20:20,368 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 643 702) no Hoare annotation was computed. [2019-10-15 01:20:20,369 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 679) no Hoare annotation was computed. [2019-10-15 01:20:20,369 INFO L443 ceAbstractionStarter]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2019-10-15 01:20:20,369 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 518 524) the Hoare annotation is: true [2019-10-15 01:20:20,369 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 518 524) no Hoare annotation was computed. [2019-10-15 01:20:20,369 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 525 533) no Hoare annotation was computed. [2019-10-15 01:20:20,369 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 525 533) the Hoare annotation is: true [2019-10-15 01:20:20,370 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 525 533) no Hoare annotation was computed. [2019-10-15 01:20:20,370 INFO L446 ceAbstractionStarter]: At program point L482-1(line 482) the Hoare annotation is: true [2019-10-15 01:20:20,370 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 476 498) the Hoare annotation is: true [2019-10-15 01:20:20,371 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 476 498) no Hoare annotation was computed. [2019-10-15 01:20:20,371 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 476 498) no Hoare annotation was computed. [2019-10-15 01:20:20,371 INFO L446 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: true [2019-10-15 01:20:20,371 INFO L446 ceAbstractionStarter]: At program point L488-1(line 488) the Hoare annotation is: true [2019-10-15 01:20:20,371 INFO L443 ceAbstractionStarter]: For program point L486(lines 486 493) no Hoare annotation was computed. [2019-10-15 01:20:20,371 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 486 493) no Hoare annotation was computed. [2019-10-15 01:20:20,372 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-15 01:20:20,372 INFO L446 ceAbstractionStarter]: At program point L483(line 483) the Hoare annotation is: true [2019-10-15 01:20:20,372 INFO L446 ceAbstractionStarter]: At program point L482(line 482) the Hoare annotation is: true [2019-10-15 01:20:20,372 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-15 01:20:20,372 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-15 01:20:20,372 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 431 454) no Hoare annotation was computed. [2019-10-15 01:20:20,372 INFO L443 ceAbstractionStarter]: For program point L447(line 447) no Hoare annotation was computed. [2019-10-15 01:20:20,372 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-15 01:20:20,373 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-15 01:20:20,373 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 431 454) no Hoare annotation was computed. [2019-10-15 01:20:20,373 INFO L443 ceAbstractionStarter]: For program point L444(line 444) no Hoare annotation was computed. [2019-10-15 01:20:20,373 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 431 454) no Hoare annotation was computed. [2019-10-15 01:20:20,373 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-15 01:20:20,373 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-15 01:20:20,373 INFO L443 ceAbstractionStarter]: For program point L441(line 441) no Hoare annotation was computed. [2019-10-15 01:20:20,374 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-15 01:20:20,374 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-15 01:20:20,374 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-10-15 01:20:20,374 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-15 01:20:20,374 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-15 01:20:20,374 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2019-10-15 01:20:20,374 INFO L446 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2019-10-15 01:20:20,374 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-10-15 01:20:20,375 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: true [2019-10-15 01:20:20,375 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2019-10-15 01:20:20,375 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2019-10-15 01:20:20,375 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2019-10-15 01:20:20,375 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2019-10-15 01:20:20,375 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2019-10-15 01:20:20,375 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2019-10-15 01:20:20,376 INFO L446 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: true [2019-10-15 01:20:20,376 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2019-10-15 01:20:20,376 INFO L443 ceAbstractionStarter]: For program point L263-1(line 263) no Hoare annotation was computed. [2019-10-15 01:20:20,377 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2019-10-15 01:20:20,377 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2019-10-15 01:20:20,377 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2019-10-15 01:20:20,377 INFO L443 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2019-10-15 01:20:20,377 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 216) no Hoare annotation was computed. [2019-10-15 01:20:20,377 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 201 236) no Hoare annotation was computed. [2019-10-15 01:20:20,377 INFO L443 ceAbstractionStarter]: For program point L208-2(lines 208 216) no Hoare annotation was computed. [2019-10-15 01:20:20,377 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-10-15 01:20:20,378 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 201 236) no Hoare annotation was computed. [2019-10-15 01:20:20,378 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-10-15 01:20:20,378 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 201 236) no Hoare annotation was computed. [2019-10-15 01:20:20,378 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 511 517) no Hoare annotation was computed. [2019-10-15 01:20:20,378 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 511 517) the Hoare annotation is: true [2019-10-15 01:20:20,378 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 541 586) no Hoare annotation was computed. [2019-10-15 01:20:20,378 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 541 586) no Hoare annotation was computed. [2019-10-15 01:20:20,378 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 541 586) no Hoare annotation was computed. [2019-10-15 01:20:20,379 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 854 899) no Hoare annotation was computed. [2019-10-15 01:20:20,379 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 854 899) no Hoare annotation was computed. [2019-10-15 01:20:20,379 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 881) no Hoare annotation was computed. [2019-10-15 01:20:20,379 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 854 899) no Hoare annotation was computed. [2019-10-15 01:20:20,379 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 888) no Hoare annotation was computed. [2019-10-15 01:20:20,379 INFO L443 ceAbstractionStarter]: For program point L868-1(lines 868 888) no Hoare annotation was computed. [2019-10-15 01:20:20,379 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 462 472) the Hoare annotation is: true [2019-10-15 01:20:20,379 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 462 472) no Hoare annotation was computed. [2019-10-15 01:20:20,380 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 462 472) no Hoare annotation was computed. [2019-10-15 01:20:20,380 INFO L446 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: true [2019-10-15 01:20:20,380 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2019-10-15 01:20:20,380 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2019-10-15 01:20:20,380 INFO L446 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2019-10-15 01:20:20,380 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-10-15 01:20:20,380 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2019-10-15 01:20:20,380 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: true [2019-10-15 01:20:20,381 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2019-10-15 01:20:20,381 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2019-10-15 01:20:20,381 INFO L443 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2019-10-15 01:20:20,381 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 981 994) no Hoare annotation was computed. [2019-10-15 01:20:20,381 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 981 994) the Hoare annotation is: true [2019-10-15 01:20:20,381 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 981 994) no Hoare annotation was computed. [2019-10-15 01:20:20,381 INFO L446 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: true [2019-10-15 01:20:20,381 INFO L443 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2019-10-15 01:20:20,382 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 143) no Hoare annotation was computed. [2019-10-15 01:20:20,382 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 122 146) no Hoare annotation was computed. [2019-10-15 01:20:20,382 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 122 146) the Hoare annotation is: true [2019-10-15 01:20:20,382 INFO L446 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: true [2019-10-15 01:20:20,382 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 122 146) no Hoare annotation was computed. [2019-10-15 01:20:20,382 INFO L446 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2019-10-15 01:20:20,382 INFO L446 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: true [2019-10-15 01:20:20,382 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 138) no Hoare annotation was computed. [2019-10-15 01:20:20,383 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 88 94) no Hoare annotation was computed. [2019-10-15 01:20:20,383 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 88 94) the Hoare annotation is: true [2019-10-15 01:20:20,383 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 294 359) the Hoare annotation is: true [2019-10-15 01:20:20,383 INFO L446 ceAbstractionStarter]: At program point L349(lines 304 351) the Hoare annotation is: true [2019-10-15 01:20:20,383 INFO L446 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: true [2019-10-15 01:20:20,383 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2019-10-15 01:20:20,383 INFO L443 ceAbstractionStarter]: For program point L314-1(lines 314 320) no Hoare annotation was computed. [2019-10-15 01:20:20,383 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 294 359) no Hoare annotation was computed. [2019-10-15 01:20:20,384 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 310) no Hoare annotation was computed. [2019-10-15 01:20:20,384 INFO L446 ceAbstractionStarter]: At program point L352(lines 303 353) the Hoare annotation is: true [2019-10-15 01:20:20,384 INFO L446 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2019-10-15 01:20:20,384 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2019-10-15 01:20:20,384 INFO L446 ceAbstractionStarter]: At program point L340-1(lines 334 347) the Hoare annotation is: true [2019-10-15 01:20:20,384 INFO L443 ceAbstractionStarter]: For program point L305(lines 304 351) no Hoare annotation was computed. [2019-10-15 01:20:20,384 INFO L443 ceAbstractionStarter]: For program point L334(lines 334 347) no Hoare annotation was computed. [2019-10-15 01:20:20,384 INFO L446 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: true [2019-10-15 01:20:20,385 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 330) no Hoare annotation was computed. [2019-10-15 01:20:20,385 INFO L443 ceAbstractionStarter]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2019-10-15 01:20:20,385 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 294 359) no Hoare annotation was computed. [2019-10-15 01:20:20,385 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 835) no Hoare annotation was computed. [2019-10-15 01:20:20,385 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 808 853) no Hoare annotation was computed. [2019-10-15 01:20:20,385 INFO L443 ceAbstractionStarter]: For program point L822(lines 822 842) no Hoare annotation was computed. [2019-10-15 01:20:20,385 INFO L443 ceAbstractionStarter]: For program point L822-1(lines 822 842) no Hoare annotation was computed. [2019-10-15 01:20:20,385 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 808 853) no Hoare annotation was computed. [2019-10-15 01:20:20,386 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 808 853) no Hoare annotation was computed. [2019-10-15 01:20:20,386 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 147 154) the Hoare annotation is: true [2019-10-15 01:20:20,386 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 147 154) no Hoare annotation was computed. [2019-10-15 01:20:20,386 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 147 154) no Hoare annotation was computed. [2019-10-15 01:20:20,386 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 995 1003) no Hoare annotation was computed. [2019-10-15 01:20:20,386 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 995 1003) the Hoare annotation is: true [2019-10-15 01:20:20,386 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 995 1003) no Hoare annotation was computed. [2019-10-15 01:20:20,386 INFO L446 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: true [2019-10-15 01:20:20,386 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2019-10-15 01:20:20,387 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 392) no Hoare annotation was computed. [2019-10-15 01:20:20,387 INFO L446 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: true [2019-10-15 01:20:20,387 INFO L443 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2019-10-15 01:20:20,387 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-10-15 01:20:20,387 INFO L443 ceAbstractionStarter]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2019-10-15 01:20:20,387 INFO L446 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2019-10-15 01:20:20,387 INFO L443 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2019-10-15 01:20:20,387 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: true [2019-10-15 01:20:20,388 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2019-10-15 01:20:20,388 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 965) no Hoare annotation was computed. [2019-10-15 01:20:20,388 INFO L443 ceAbstractionStarter]: For program point L957-2(lines 957 965) no Hoare annotation was computed. [2019-10-15 01:20:20,388 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 949 971) no Hoare annotation was computed. [2019-10-15 01:20:20,388 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 949 971) no Hoare annotation was computed. [2019-10-15 01:20:20,388 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 949 971) no Hoare annotation was computed. [2019-10-15 01:20:20,388 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: true [2019-10-15 01:20:20,388 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2019-10-15 01:20:20,389 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2019-10-15 01:20:20,389 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 501 510) no Hoare annotation was computed. [2019-10-15 01:20:20,389 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 501 510) no Hoare annotation was computed. [2019-10-15 01:20:20,389 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 501 510) no Hoare annotation was computed. [2019-10-15 01:20:20,389 INFO L443 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2019-10-15 01:20:20,390 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 705 807) no Hoare annotation was computed. [2019-10-15 01:20:20,390 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2019-10-15 01:20:20,390 INFO L443 ceAbstractionStarter]: For program point L793(lines 793 804) no Hoare annotation was computed. [2019-10-15 01:20:20,390 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2019-10-15 01:20:20,390 INFO L443 ceAbstractionStarter]: For program point L754-2(lines 754 774) no Hoare annotation was computed. [2019-10-15 01:20:20,390 INFO L443 ceAbstractionStarter]: For program point L775(lines 753 776) no Hoare annotation was computed. [2019-10-15 01:20:20,390 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 705 807) no Hoare annotation was computed. [2019-10-15 01:20:20,390 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 750) no Hoare annotation was computed. [2019-10-15 01:20:20,391 INFO L443 ceAbstractionStarter]: For program point L794(lines 794 801) no Hoare annotation was computed. [2019-10-15 01:20:20,391 INFO L443 ceAbstractionStarter]: For program point L755(lines 754 774) no Hoare annotation was computed. [2019-10-15 01:20:20,391 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-15 01:20:20,391 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 705 807) no Hoare annotation was computed. [2019-10-15 01:20:20,391 INFO L443 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2019-10-15 01:20:20,391 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 792) no Hoare annotation was computed. [2019-10-15 01:20:20,391 INFO L443 ceAbstractionStarter]: For program point L770(line 770) no Hoare annotation was computed. [2019-10-15 01:20:20,391 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:20,392 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:20,392 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:20,392 INFO L446 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2019-10-15 01:20:20,392 INFO L443 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2019-10-15 01:20:20,392 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 156 172) no Hoare annotation was computed. [2019-10-15 01:20:20,393 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 156 172) the Hoare annotation is: true [2019-10-15 01:20:20,393 INFO L446 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: true [2019-10-15 01:20:20,393 INFO L443 ceAbstractionStarter]: For program point L167-1(lines 156 172) no Hoare annotation was computed. [2019-10-15 01:20:20,393 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-10-15 01:20:20,393 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2019-10-15 01:20:20,394 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-10-15 01:20:20,394 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2019-10-15 01:20:20,394 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2019-10-15 01:20:20,394 INFO L446 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2019-10-15 01:20:20,394 INFO L443 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2019-10-15 01:20:20,394 INFO L443 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2019-10-15 01:20:20,394 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 972 980) no Hoare annotation was computed. [2019-10-15 01:20:20,394 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 972 980) no Hoare annotation was computed. [2019-10-15 01:20:20,395 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 972 980) no Hoare annotation was computed. [2019-10-15 01:20:20,395 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 928 939) the Hoare annotation is: true [2019-10-15 01:20:20,395 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 928 939) no Hoare annotation was computed. [2019-10-15 01:20:20,395 INFO L443 ceAbstractionStarter]: For program point L932-1(lines 928 939) no Hoare annotation was computed. [2019-10-15 01:20:20,395 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:20,395 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:20,395 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:20,395 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 940 948) the Hoare annotation is: true [2019-10-15 01:20:20,395 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 940 948) no Hoare annotation was computed. [2019-10-15 01:20:20,396 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 940 948) no Hoare annotation was computed. [2019-10-15 01:20:20,397 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 64 87) the Hoare annotation is: true [2019-10-15 01:20:20,397 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-15 01:20:20,397 INFO L446 ceAbstractionStarter]: At program point L75(lines 75 81) the Hoare annotation is: true [2019-10-15 01:20:20,397 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 64 87) no Hoare annotation was computed. [2019-10-15 01:20:20,397 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 64 87) no Hoare annotation was computed. [2019-10-15 01:20:20,397 INFO L446 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: true [2019-10-15 01:20:20,397 INFO L443 ceAbstractionStarter]: For program point L68(lines 67 86) no Hoare annotation was computed. [2019-10-15 01:20:20,397 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 401 430) no Hoare annotation was computed. [2019-10-15 01:20:20,398 INFO L443 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2019-10-15 01:20:20,398 INFO L446 ceAbstractionStarter]: At program point L415-1(lines 415 419) the Hoare annotation is: true [2019-10-15 01:20:20,398 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 401 430) the Hoare annotation is: true [2019-10-15 01:20:20,398 INFO L443 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2019-10-15 01:20:20,398 INFO L446 ceAbstractionStarter]: At program point L411-2(lines 411 425) the Hoare annotation is: true [2019-10-15 01:20:20,398 INFO L446 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: true [2019-10-15 01:20:20,398 INFO L443 ceAbstractionStarter]: For program point L407-1(line 407) no Hoare annotation was computed. [2019-10-15 01:20:20,398 INFO L446 ceAbstractionStarter]: At program point L426(lines 401 430) the Hoare annotation is: true [2019-10-15 01:20:20,398 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-15 01:20:20,399 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 904 915) the Hoare annotation is: true [2019-10-15 01:20:20,399 INFO L443 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2019-10-15 01:20:20,399 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 904 915) no Hoare annotation was computed. [2019-10-15 01:20:20,399 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 455 461) no Hoare annotation was computed. [2019-10-15 01:20:20,399 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 455 461) the Hoare annotation is: true [2019-10-15 01:20:20,399 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:20,399 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-15 01:20:20,399 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:20,400 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:20,400 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 96 120) the Hoare annotation is: true [2019-10-15 01:20:20,400 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 96 120) no Hoare annotation was computed. [2019-10-15 01:20:20,400 INFO L446 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: true [2019-10-15 01:20:20,400 INFO L443 ceAbstractionStarter]: For program point L115-1(lines 96 120) no Hoare annotation was computed. [2019-10-15 01:20:20,400 INFO L446 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: true [2019-10-15 01:20:20,400 INFO L446 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: true [2019-10-15 01:20:20,400 INFO L443 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2019-10-15 01:20:20,401 INFO L446 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: true [2019-10-15 01:20:20,401 INFO L443 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2019-10-15 01:20:20,401 INFO L443 ceAbstractionStarter]: For program point L100(lines 100 117) no Hoare annotation was computed. [2019-10-15 01:20:20,401 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 916 927) no Hoare annotation was computed. [2019-10-15 01:20:20,401 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2019-10-15 01:20:20,402 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 916 927) the Hoare annotation is: true [2019-10-15 01:20:20,402 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:20:20,402 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-15 01:20:20,402 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-15 01:20:20,402 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-15 01:20:20,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:20 BoogieIcfgContainer [2019-10-15 01:20:20,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:20,416 INFO L168 Benchmark]: Toolchain (without parser) took 11980.03 ms. Allocated memory was 144.7 MB in the beginning and 400.6 MB in the end (delta: 255.9 MB). Free memory was 100.0 MB in the beginning and 93.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 262.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:20,418 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:20,425 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.06 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.8 MB in the beginning and 168.5 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:20,430 INFO L168 Benchmark]: Boogie Preprocessor took 87.19 ms. Allocated memory is still 202.4 MB. Free memory was 168.5 MB in the beginning and 163.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:20,431 INFO L168 Benchmark]: RCFGBuilder took 1255.33 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 163.9 MB in the beginning and 192.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:20,432 INFO L168 Benchmark]: TraceAbstraction took 9927.67 ms. Allocated memory was 234.4 MB in the beginning and 400.6 MB in the end (delta: 166.2 MB). Free memory was 191.1 MB in the beginning and 93.0 MB in the end (delta: 98.1 MB). Peak memory consumption was 264.3 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:20,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.06 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.8 MB in the beginning and 168.5 MB in the end (delta: -68.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.19 ms. Allocated memory is still 202.4 MB. Free memory was 168.5 MB in the beginning and 163.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1255.33 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 163.9 MB in the beginning and 192.6 MB in the end (delta: -28.7 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9927.67 ms. Allocated memory was 234.4 MB in the beginning and 400.6 MB in the end (delta: 166.2 MB). Free memory was 191.1 MB in the beginning and 93.0 MB in the end (delta: 98.1 MB). Peak memory consumption was 264.3 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: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 253 locations, 1 error locations. Result: SAFE, OverallTime: 9.8s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1968 SDtfs, 1043 SDslu, 4299 SDs, 0 SdLazy, 1226 SolverSat, 136 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 525 GetRequests, 454 SyntacticMatches, 7 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2577occurred 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: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 319 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 3228 PreInvPairs, 3229 NumberOfFragments, 70 HoareAnnotationTreeSize, 3228 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 68 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1410 NumberOfCodeBlocks, 1410 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1722 ConstructedInterpolants, 0 QuantifiedInterpolants, 437972 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1892 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 352/427 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 157, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7351598173515982, 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...