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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:22:56,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:22:56,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:22:56,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:22:56,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:22:56,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:22:56,034 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:22:56,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:22:56,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:22:56,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:22:56,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:22:56,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:22:56,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:22:56,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:22:56,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:22:56,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:22:56,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:22:56,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:22:56,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:22:56,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:22:56,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:22:56,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:22:56,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:22:56,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:22:56,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:22:56,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:22:56,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:22:56,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:22:56,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:22:56,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:22:56,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:22:56,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:22:56,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:22:56,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:22:56,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:22:56,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:22:56,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:22:56,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:22:56,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:22:56,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:22:56,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:22:56,100 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 [2019-10-07 15:22:56,119 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:22:56,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:22:56,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:22:56,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:22:56,121 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:22:56,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:22:56,122 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:22:56,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:22:56,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:22:56,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:22:56,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:22:56,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:22:56,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:22:56,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:22:56,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:22:56,125 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:22:56,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:22:56,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:22:56,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:22:56,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:22:56,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:22:56,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:22:56,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:22:56,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:22:56,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:22:56,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:22:56,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:22:56,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:22:56,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:22:56,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:22:56,422 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:22:56,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:22:56,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:22:56,428 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:22:56,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2019-10-07 15:22:56,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c797b1719/65734728984f489cabb8f126ca8105b9/FLAG1978d2d0b [2019-10-07 15:22:56,995 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:22:56,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2019-10-07 15:22:57,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c797b1719/65734728984f489cabb8f126ca8105b9/FLAG1978d2d0b [2019-10-07 15:22:57,325 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c797b1719/65734728984f489cabb8f126ca8105b9 [2019-10-07 15:22:57,335 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:22:57,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:22:57,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:22:57,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:22:57,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:22:57,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:22:57" (1/1) ... [2019-10-07 15:22:57,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437675f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:57, skipping insertion in model container [2019-10-07 15:22:57,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:22:57" (1/1) ... [2019-10-07 15:22:57,352 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:22:57,414 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:22:57,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:22:57,948 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:22:58,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:22:58,067 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:22:58,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58 WrapperNode [2019-10-07 15:22:58,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:22:58,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:22:58,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:22:58,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:22:58,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58" (1/1) ... [2019-10-07 15:22:58,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58" (1/1) ... [2019-10-07 15:22:58,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58" (1/1) ... [2019-10-07 15:22:58,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58" (1/1) ... [2019-10-07 15:22:58,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58" (1/1) ... [2019-10-07 15:22:58,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58" (1/1) ... [2019-10-07 15:22:58,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58" (1/1) ... [2019-10-07 15:22:58,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:22:58,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:22:58,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:22:58,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:22:58,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58" (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 [2019-10-07 15:22:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:22:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:22:58,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:22:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:22:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:22:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:22:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:22:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:22:58,229 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:22:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:22:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:22:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:22:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:22:58,230 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:22:58,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:22:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:22:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:22:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:22:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:22:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:22:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:22:58,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:22:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:22:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:22:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:22:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:22:58,233 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:22:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:22:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:22:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:22:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:22:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:22:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:22:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:22:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:22:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:22:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:22:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:22:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:22:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:22:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:22:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-07 15:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-07 15:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-07 15:22:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:22:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:22:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:22:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:22:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:22:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:22:58,238 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:22:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:22:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:22:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:22:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:22:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:22:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:22:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:22:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:22:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:22:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:22:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:22:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:22:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:22:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:22:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:22:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:22:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:22:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:22:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:22:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:22:58,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:22:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:22:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:22:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:22:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:22:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:22:58,243 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:22:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:22:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:22:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:22:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:22:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:22:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:22:58,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:22:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:22:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:22:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:22:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:22:58,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:22:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:22:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:22:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:22:58,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:23:00,099 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:23:00,099 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:23:00,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:23:00 BoogieIcfgContainer [2019-10-07 15:23:00,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:23:00,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:23:00,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:23:00,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:23:00,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:22:57" (1/3) ... [2019-10-07 15:23:00,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123b0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:23:00, skipping insertion in model container [2019-10-07 15:23:00,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:22:58" (2/3) ... [2019-10-07 15:23:00,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123b0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:23:00, skipping insertion in model container [2019-10-07 15:23:00,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:23:00" (3/3) ... [2019-10-07 15:23:00,114 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2019-10-07 15:23:00,126 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:23:00,135 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:23:00,148 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:23:00,192 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:23:00,192 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:23:00,192 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:23:00,193 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:23:00,194 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:23:00,195 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:23:00,195 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:23:00,195 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:23:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-07 15:23:00,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-07 15:23:00,245 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:00,246 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:23:00,248 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:00,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:00,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1345858530, now seen corresponding path program 1 times [2019-10-07 15:23:00,268 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:00,268 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:00,269 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:00,269 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:00,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:00,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:23:00,650 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:00,651 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:00,652 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:23:00,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:23:00,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:23:00,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:23:00,677 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-10-07 15:23:00,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:00,728 INFO L93 Difference]: Finished difference Result 284 states and 349 transitions. [2019-10-07 15:23:00,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:23:00,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-07 15:23:00,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:00,745 INFO L225 Difference]: With dead ends: 284 [2019-10-07 15:23:00,746 INFO L226 Difference]: Without dead ends: 144 [2019-10-07 15:23:00,751 INFO L606 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 [2019-10-07 15:23:00,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-07 15:23:00,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-07 15:23:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-07 15:23:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2019-10-07 15:23:00,838 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 52 [2019-10-07 15:23:00,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:00,839 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2019-10-07 15:23:00,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:23:00,839 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2019-10-07 15:23:00,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-07 15:23:00,843 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:00,844 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:23:00,844 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:00,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:00,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1883787441, now seen corresponding path program 1 times [2019-10-07 15:23:00,845 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:00,845 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:00,845 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:00,846 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:00,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:23:00,968 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:00,968 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:00,969 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:23:00,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:23:00,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:23:00,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:23:00,972 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 3 states. [2019-10-07 15:23:00,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:00,998 INFO L93 Difference]: Finished difference Result 235 states and 277 transitions. [2019-10-07 15:23:00,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:23:00,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-07 15:23:01,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:01,002 INFO L225 Difference]: With dead ends: 235 [2019-10-07 15:23:01,002 INFO L226 Difference]: Without dead ends: 136 [2019-10-07 15:23:01,006 INFO L606 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 [2019-10-07 15:23:01,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2019-10-07 15:23:01,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2019-10-07 15:23:01,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-10-07 15:23:01,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2019-10-07 15:23:01,030 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 53 [2019-10-07 15:23:01,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:01,031 INFO L462 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2019-10-07 15:23:01,031 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:23:01,031 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2019-10-07 15:23:01,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-07 15:23:01,034 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:01,034 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:23:01,034 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:01,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:01,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1508514586, now seen corresponding path program 1 times [2019-10-07 15:23:01,035 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:01,035 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:01,036 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:01,036 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:01,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:01,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:23:01,230 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:01,230 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:01,231 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:23:01,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:23:01,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:23:01,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:23:01,232 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 7 states. [2019-10-07 15:23:01,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:01,810 INFO L93 Difference]: Finished difference Result 407 states and 491 transitions. [2019-10-07 15:23:01,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:23:01,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-07 15:23:01,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:01,823 INFO L225 Difference]: With dead ends: 407 [2019-10-07 15:23:01,824 INFO L226 Difference]: Without dead ends: 296 [2019-10-07 15:23:01,828 INFO L606 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 [2019-10-07 15:23:01,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2019-10-07 15:23:01,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 288. [2019-10-07 15:23:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2019-10-07 15:23:01,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 347 transitions. [2019-10-07 15:23:01,916 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 347 transitions. Word has length 56 [2019-10-07 15:23:01,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:01,916 INFO L462 AbstractCegarLoop]: Abstraction has 288 states and 347 transitions. [2019-10-07 15:23:01,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:23:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 347 transitions. [2019-10-07 15:23:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-07 15:23:01,926 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:01,926 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:23:01,927 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:01,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:01,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1554215991, now seen corresponding path program 1 times [2019-10-07 15:23:01,927 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:01,928 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:01,928 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:01,928 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:01,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:02,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:23:02,127 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:02,127 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:02,127 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:23:02,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:23:02,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:23:02,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:23:02,129 INFO L87 Difference]: Start difference. First operand 288 states and 347 transitions. Second operand 7 states. [2019-10-07 15:23:02,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:02,870 INFO L93 Difference]: Finished difference Result 748 states and 968 transitions. [2019-10-07 15:23:02,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:23:02,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-07 15:23:02,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:02,881 INFO L225 Difference]: With dead ends: 748 [2019-10-07 15:23:02,881 INFO L226 Difference]: Without dead ends: 485 [2019-10-07 15:23:02,883 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:23:02,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2019-10-07 15:23:02,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 435. [2019-10-07 15:23:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-07 15:23:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 516 transitions. [2019-10-07 15:23:02,932 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 516 transitions. Word has length 61 [2019-10-07 15:23:02,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:02,933 INFO L462 AbstractCegarLoop]: Abstraction has 435 states and 516 transitions. [2019-10-07 15:23:02,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:23:02,933 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 516 transitions. [2019-10-07 15:23:02,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-07 15:23:02,935 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:02,936 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:23:02,936 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:02,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:02,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1947773125, now seen corresponding path program 1 times [2019-10-07 15:23:02,936 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:02,937 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:02,937 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:02,937 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:02,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:23:03,228 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:03,228 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:03,228 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-07 15:23:03,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:23:03,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:23:03,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-07 15:23:03,230 INFO L87 Difference]: Start difference. First operand 435 states and 516 transitions. Second operand 12 states. [2019-10-07 15:23:04,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:04,206 INFO L93 Difference]: Finished difference Result 1265 states and 1552 transitions. [2019-10-07 15:23:04,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-07 15:23:04,206 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2019-10-07 15:23:04,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:04,213 INFO L225 Difference]: With dead ends: 1265 [2019-10-07 15:23:04,214 INFO L226 Difference]: Without dead ends: 855 [2019-10-07 15:23:04,216 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:23:04,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2019-10-07 15:23:04,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 833. [2019-10-07 15:23:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2019-10-07 15:23:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1010 transitions. [2019-10-07 15:23:04,290 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1010 transitions. Word has length 96 [2019-10-07 15:23:04,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:04,291 INFO L462 AbstractCegarLoop]: Abstraction has 833 states and 1010 transitions. [2019-10-07 15:23:04,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:23:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1010 transitions. [2019-10-07 15:23:04,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-07 15:23:04,295 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:04,295 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 15:23:04,295 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:04,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:04,296 INFO L82 PathProgramCache]: Analyzing trace with hash 459318484, now seen corresponding path program 1 times [2019-10-07 15:23:04,296 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:04,296 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:04,296 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:04,297 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:04,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:23:04,565 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:04,566 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:23:04,566 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-07 15:23:04,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-07 15:23:04,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-07 15:23:04,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:23:04,568 INFO L87 Difference]: Start difference. First operand 833 states and 1010 transitions. Second operand 9 states. [2019-10-07 15:23:05,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:23:05,857 INFO L93 Difference]: Finished difference Result 2673 states and 3353 transitions. [2019-10-07 15:23:05,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:23:05,858 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2019-10-07 15:23:05,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:23:05,871 INFO L225 Difference]: With dead ends: 2673 [2019-10-07 15:23:05,872 INFO L226 Difference]: Without dead ends: 2034 [2019-10-07 15:23:05,875 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:23:05,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2019-10-07 15:23:06,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 1750. [2019-10-07 15:23:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1750 states. [2019-10-07 15:23:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 1750 states and 2140 transitions. [2019-10-07 15:23:06,017 INFO L78 Accepts]: Start accepts. Automaton has 1750 states and 2140 transitions. Word has length 99 [2019-10-07 15:23:06,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:23:06,018 INFO L462 AbstractCegarLoop]: Abstraction has 1750 states and 2140 transitions. [2019-10-07 15:23:06,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-07 15:23:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2140 transitions. [2019-10-07 15:23:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 15:23:06,024 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:23:06,024 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:23:06,024 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:23:06,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:23:06,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1567982084, now seen corresponding path program 1 times [2019-10-07 15:23:06,025 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:23:06,025 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:06,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:06,026 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:23:06,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:23:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:23:06,243 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:23:06,244 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:23:06,244 INFO L95 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 [2019-10-07 15:23:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:23:06,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 15:23:06,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:23:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:23:06,832 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:23:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:23:07,356 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:23:07,398 INFO L162 IcfgInterpreter]: Started Sifa with 122 locations of interest [2019-10-07 15:23:07,398 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:23:07,407 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:23:07,424 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:23:07,425 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:23:15,856 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:23:17,404 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:23:17,528 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:23:17,651 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:23:17,767 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:23:18,100 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:18,356 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:18,562 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:18,756 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:19,110 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:23:19,240 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:19,430 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:19,622 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:19,741 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:19,860 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:23:19,869 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:23:20,139 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-07 15:23:20,312 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:20,455 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:20,603 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:20,717 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:20,968 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:21,091 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:21,316 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:21,570 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-07 15:23:21,800 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:22,007 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:22,137 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:22,256 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:22,363 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:22,535 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:22,637 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:22,745 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:22,867 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:22,986 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:23,107 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:23,225 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:23,434 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:23,554 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:23,655 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:23,773 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:23,893 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:24,201 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:24,518 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:24,655 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:24,758 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:24,885 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,027 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,146 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,279 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,428 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,545 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,724 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,833 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:25,944 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:26,064 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:26,215 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:26,329 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:26,453 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:26,714 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:26,831 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:27,100 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:27,373 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:27,486 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:27,608 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:27,723 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:27,837 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:27,974 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:28,088 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:28,209 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:28,340 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:28,479 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:28,599 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:28,726 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:28,941 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:23:29,078 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:29,213 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:29,328 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:29,451 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:29,578 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:29,710 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:29,822 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:29,948 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,063 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,179 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,318 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,435 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,557 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,679 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:30,917 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:31,033 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:31,164 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:31,392 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:31,529 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:31,656 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:31,855 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:31,965 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:32,088 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:32,288 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:23:32,401 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:32,542 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:32,750 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 570 [2019-10-07 15:23:32,868 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:33,042 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:33,234 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:33,424 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:33,558 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:33,670 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:33,782 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:33,908 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,037 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,150 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,274 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,399 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,516 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,638 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,756 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,868 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:34,991 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:35,100 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:35,208 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:35,327 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:35,573 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:35,687 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:35,816 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:36,022 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:36,136 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:36,258 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:36,378 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:36,494 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:36,622 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:36,852 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,118 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,263 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,388 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,501 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,623 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,733 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,844 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:37,965 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,074 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,200 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,318 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:38,520 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:38,632 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:38,755 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:38,958 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:39,073 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:39,196 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:39,403 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:39,513 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:39,634 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:39,832 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:39,943 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:40,068 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:40,259 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:23:40,372 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:40,501 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:40,624 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:40,736 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:40,861 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:40,978 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,090 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,218 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,335 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,447 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,567 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:41,778 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:41,889 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:42,021 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:42,230 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:42,342 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:42,470 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:42,670 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:42,781 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:42,904 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:43,104 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:23:43,216 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:23:43,342 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:43,532 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:23:43,642 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:43,765 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:43,970 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:23:44,081 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:44,206 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:44,403 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:23:44,517 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:44,652 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:23:44,780 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:44,892 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:45,012 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:45,124 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:45,237 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:45,359 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:45,470 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:45,582 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:45,713 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:45,840 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:45,956 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:46,086 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:46,290 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:46,401 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:46,523 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:46,722 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:23:46,834 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:46,954 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:47,145 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 568 [2019-10-07 15:23:47,263 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:47,392 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:47,397 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 546 for LOIs [2019-10-07 15:23:47,544 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:47,647 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-07 15:23:47,765 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:47,885 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:23:48,102 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:48,281 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 548 [2019-10-07 15:23:48,495 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:48,703 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:23:48,821 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:48,828 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-10-07 15:23:48,930 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:23:49,147 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:23:49,474 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:49,583 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:23:49,803 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:23:49,907 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:23:50,296 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:23:50,486 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:23:50,771 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:23:51,143 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 580 DAG size of output: 580 [2019-10-07 15:23:51,516 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 583 [2019-10-07 15:23:51,781 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:23:51,783 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:23:51,790 INFO L168 Benchmark]: Toolchain (without parser) took 54452.75 ms. Allocated memory was 146.3 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 102.9 MB in the beginning and 201.6 MB in the end (delta: -98.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-10-07 15:23:51,790 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:23:51,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.96 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.7 MB in the beginning and 170.1 MB in the end (delta: -67.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:51,791 INFO L168 Benchmark]: Boogie Preprocessor took 85.46 ms. Allocated memory is still 203.4 MB. Free memory was 170.1 MB in the beginning and 165.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:51,793 INFO L168 Benchmark]: RCFGBuilder took 1949.02 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 140.5 MB in the end (delta: 24.8 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:51,793 INFO L168 Benchmark]: TraceAbstraction took 51683.42 ms. Allocated memory was 235.9 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 140.5 MB in the beginning and 201.6 MB in the end (delta: -61.1 MB). Peak memory consumption was 971.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:23:51,798 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 729.96 ms. Allocated memory was 146.3 MB in the beginning and 203.4 MB in the end (delta: 57.1 MB). Free memory was 102.7 MB in the beginning and 170.1 MB in the end (delta: -67.4 MB). Peak memory consumption was 23.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.46 ms. Allocated memory is still 203.4 MB. Free memory was 170.1 MB in the beginning and 165.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1949.02 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 140.5 MB in the end (delta: 24.8 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 51683.42 ms. Allocated memory was 235.9 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 140.5 MB in the beginning and 201.6 MB in the end (delta: -61.1 MB). Peak memory consumption was 971.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...