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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:18:04,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:18:04,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:18:04,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:18:04,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:18:04,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:18:04,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:18:04,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:18:04,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:18:04,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:18:04,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:18:04,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:18:04,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:18:04,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:18:04,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:18:04,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:18:04,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:18:04,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:18:04,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:18:04,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:18:04,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:18:04,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:18:04,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:18:04,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:18:04,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:18:04,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:18:04,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:18:04,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:18:04,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:18:04,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:18:04,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:18:04,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:18:04,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:18:04,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:18:04,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:18:04,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:18:04,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:18:04,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:18:04,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:18:04,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:18:04,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:18:04,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:18:04,198 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:18:04,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:18:04,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:18:04,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:18:04,200 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:18:04,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:18:04,200 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:18:04,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:18:04,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:18:04,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:18:04,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:18:04,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:18:04,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:18:04,201 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:18:04,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:18:04,202 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:18:04,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:18:04,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:18:04,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:18:04,203 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:18:04,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:18:04,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:18:04,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:18:04,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:18:04,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:18:04,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:18:04,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:18:04,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:18:04,205 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 [2019-10-13 23:18:04,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:18:04,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:18:04,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:18:04,550 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:18:04,551 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:18:04,551 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2019-10-13 23:18:04,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0e8badf/9a833336c7f64c8fa46358981a54d3b8/FLAG7d031ba85 [2019-10-13 23:18:05,153 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:18:05,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2019-10-13 23:18:05,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0e8badf/9a833336c7f64c8fa46358981a54d3b8/FLAG7d031ba85 [2019-10-13 23:18:05,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb0e8badf/9a833336c7f64c8fa46358981a54d3b8 [2019-10-13 23:18:05,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:18:05,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:18:05,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:05,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:18:05,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:18:05,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:18:05" (1/1) ... [2019-10-13 23:18:05,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b57f279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:05, skipping insertion in model container [2019-10-13 23:18:05,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:18:05" (1/1) ... [2019-10-13 23:18:05,481 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:18:05,523 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:18:05,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:05,984 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:18:06,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:06,097 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:18:06,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06 WrapperNode [2019-10-13 23:18:06,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:06,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:18:06,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:18:06,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:18:06,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:18:06,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:18:06,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:18:06,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:18:06,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:18:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:18:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:18:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:06,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:18:06,290 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:18:06,291 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:18:06,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:18:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:18:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:18:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:06,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:06,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:18:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:18:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:18:06,295 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:18:06,297 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:18:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:18:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:18:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:18:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:18:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:18:06,298 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:18:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:18:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:18:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:18:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 23:18:06,299 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:18:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:18:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:18:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:18:06,300 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:18:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:18:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:18:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:18:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 23:18:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:18:06,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:06,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:18:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:18:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:18:06,302 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:18:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:18:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:18:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:18:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:18:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:18:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:18:06,303 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:18:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:18:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:18:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:18:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:18:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:18:06,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:18:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:18:06,305 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:18:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:18:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:18:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:18:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:18:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:18:06,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:18:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:18:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:18:06,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:18:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:18:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:18:06,308 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:18:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:18:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:18:06,309 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:18:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:18:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:18:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 23:18:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:18:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:18:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:18:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:18:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:18:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 23:18:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:18:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:18:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:18:06,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:18:07,812 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:18:07,813 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:18:07,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:07 BoogieIcfgContainer [2019-10-13 23:18:07,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:18:07,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:18:07,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:18:07,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:18:07,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:18:05" (1/3) ... [2019-10-13 23:18:07,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b233fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:07, skipping insertion in model container [2019-10-13 23:18:07,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06" (2/3) ... [2019-10-13 23:18:07,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b233fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:07, skipping insertion in model container [2019-10-13 23:18:07,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:07" (3/3) ... [2019-10-13 23:18:07,825 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2019-10-13 23:18:07,837 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:18:07,850 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:18:07,865 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:18:07,915 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:18:07,915 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:18:07,915 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:18:07,916 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:18:07,916 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:18:07,916 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:18:07,916 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:18:07,917 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:18:07,946 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-10-13 23:18:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:18:07,959 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:07,960 INFO L380 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] [2019-10-13 23:18:07,962 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:07,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:07,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1637308927, now seen corresponding path program 1 times [2019-10-13 23:18:07,978 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:07,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359408957] [2019-10-13 23:18:07,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:07,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:07,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:08,337 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359408957] [2019-10-13 23:18:08,339 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:08,340 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:18:08,341 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075649799] [2019-10-13 23:18:08,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:18:08,348 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:08,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:18:08,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:08,366 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2019-10-13 23:18:08,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:08,411 INFO L93 Difference]: Finished difference Result 206 states and 251 transitions. [2019-10-13 23:18:08,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:18:08,412 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:18:08,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:08,427 INFO L225 Difference]: With dead ends: 206 [2019-10-13 23:18:08,427 INFO L226 Difference]: Without dead ends: 105 [2019-10-13 23:18:08,431 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:08,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-10-13 23:18:08,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-10-13 23:18:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-13 23:18:08,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2019-10-13 23:18:08,488 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 52 [2019-10-13 23:18:08,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:08,488 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2019-10-13 23:18:08,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:18:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2019-10-13 23:18:08,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:18:08,493 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:08,493 INFO L380 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] [2019-10-13 23:18:08,494 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:08,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:08,495 INFO L82 PathProgramCache]: Analyzing trace with hash 950113157, now seen corresponding path program 1 times [2019-10-13 23:18:08,495 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:08,495 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055742075] [2019-10-13 23:18:08,495 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:08,496 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:08,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:08,640 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055742075] [2019-10-13 23:18:08,640 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:08,640 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:18:08,641 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121297044] [2019-10-13 23:18:08,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:18:08,643 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:08,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:18:08,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:08,644 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 3 states. [2019-10-13 23:18:08,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:08,694 INFO L93 Difference]: Finished difference Result 155 states and 178 transitions. [2019-10-13 23:18:08,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:18:08,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 23:18:08,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:08,702 INFO L225 Difference]: With dead ends: 155 [2019-10-13 23:18:08,702 INFO L226 Difference]: Without dead ends: 97 [2019-10-13 23:18:08,704 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:08,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-13 23:18:08,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-13 23:18:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-13 23:18:08,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2019-10-13 23:18:08,733 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 53 [2019-10-13 23:18:08,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:08,738 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2019-10-13 23:18:08,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:18:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2019-10-13 23:18:08,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:18:08,741 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:08,745 INFO L380 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] [2019-10-13 23:18:08,745 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:08,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:08,746 INFO L82 PathProgramCache]: Analyzing trace with hash 626180978, now seen corresponding path program 1 times [2019-10-13 23:18:08,747 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:08,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264994614] [2019-10-13 23:18:08,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:08,748 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:08,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:08,979 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264994614] [2019-10-13 23:18:08,979 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:08,980 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:08,980 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595474990] [2019-10-13 23:18:08,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:08,981 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:08,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:08,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:08,981 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 7 states. [2019-10-13 23:18:09,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:09,403 INFO L93 Difference]: Finished difference Result 290 states and 344 transitions. [2019-10-13 23:18:09,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:18:09,404 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-10-13 23:18:09,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:09,409 INFO L225 Difference]: With dead ends: 290 [2019-10-13 23:18:09,409 INFO L226 Difference]: Without dead ends: 218 [2019-10-13 23:18:09,410 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:18:09,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-10-13 23:18:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 200. [2019-10-13 23:18:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-10-13 23:18:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 235 transitions. [2019-10-13 23:18:09,453 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 235 transitions. Word has length 56 [2019-10-13 23:18:09,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:09,454 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 235 transitions. [2019-10-13 23:18:09,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:09,454 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 235 transitions. [2019-10-13 23:18:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 23:18:09,456 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:09,457 INFO L380 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] [2019-10-13 23:18:09,457 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:09,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:09,457 INFO L82 PathProgramCache]: Analyzing trace with hash 935505932, now seen corresponding path program 1 times [2019-10-13 23:18:09,458 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:09,458 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797252112] [2019-10-13 23:18:09,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,458 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:18:09,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797252112] [2019-10-13 23:18:09,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:09,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:09,558 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715146502] [2019-10-13 23:18:09,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:09,559 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:09,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:09,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:09,560 INFO L87 Difference]: Start difference. First operand 200 states and 235 transitions. Second operand 7 states. [2019-10-13 23:18:10,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:10,154 INFO L93 Difference]: Finished difference Result 517 states and 660 transitions. [2019-10-13 23:18:10,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 23:18:10,155 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 23:18:10,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:10,164 INFO L225 Difference]: With dead ends: 517 [2019-10-13 23:18:10,165 INFO L226 Difference]: Without dead ends: 342 [2019-10-13 23:18:10,167 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:18:10,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2019-10-13 23:18:10,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 298. [2019-10-13 23:18:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2019-10-13 23:18:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 352 transitions. [2019-10-13 23:18:10,225 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 352 transitions. Word has length 61 [2019-10-13 23:18:10,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:10,226 INFO L462 AbstractCegarLoop]: Abstraction has 298 states and 352 transitions. [2019-10-13 23:18:10,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 352 transitions. [2019-10-13 23:18:10,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-10-13 23:18:10,233 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:10,234 INFO L380 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] [2019-10-13 23:18:10,234 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:10,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:10,234 INFO L82 PathProgramCache]: Analyzing trace with hash -614167439, now seen corresponding path program 1 times [2019-10-13 23:18:10,235 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:10,235 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589016311] [2019-10-13 23:18:10,235 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,236 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:10,498 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589016311] [2019-10-13 23:18:10,498 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:10,498 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 23:18:10,499 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857724226] [2019-10-13 23:18:10,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 23:18:10,499 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:10,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 23:18:10,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:18:10,500 INFO L87 Difference]: Start difference. First operand 298 states and 352 transitions. Second operand 12 states. [2019-10-13 23:18:11,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:11,396 INFO L93 Difference]: Finished difference Result 946 states and 1140 transitions. [2019-10-13 23:18:11,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 23:18:11,397 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 73 [2019-10-13 23:18:11,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:11,403 INFO L225 Difference]: With dead ends: 946 [2019-10-13 23:18:11,404 INFO L226 Difference]: Without dead ends: 673 [2019-10-13 23:18:11,406 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-10-13 23:18:11,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2019-10-13 23:18:11,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 656. [2019-10-13 23:18:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2019-10-13 23:18:11,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 783 transitions. [2019-10-13 23:18:11,470 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 783 transitions. Word has length 73 [2019-10-13 23:18:11,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:11,472 INFO L462 AbstractCegarLoop]: Abstraction has 656 states and 783 transitions. [2019-10-13 23:18:11,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 23:18:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 783 transitions. [2019-10-13 23:18:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-10-13 23:18:11,479 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:11,479 INFO L380 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] [2019-10-13 23:18:11,479 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:11,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:11,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1243181113, now seen corresponding path program 1 times [2019-10-13 23:18:11,480 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:11,480 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993915942] [2019-10-13 23:18:11,480 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:11,480 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:11,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:11,621 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993915942] [2019-10-13 23:18:11,622 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:11,622 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:18:11,622 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067858678] [2019-10-13 23:18:11,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:18:11,623 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:11,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:18:11,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:18:11,624 INFO L87 Difference]: Start difference. First operand 656 states and 783 transitions. Second operand 9 states. [2019-10-13 23:18:12,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:12,653 INFO L93 Difference]: Finished difference Result 2087 states and 2568 transitions. [2019-10-13 23:18:12,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:18:12,657 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2019-10-13 23:18:12,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:12,669 INFO L225 Difference]: With dead ends: 2087 [2019-10-13 23:18:12,670 INFO L226 Difference]: Without dead ends: 1605 [2019-10-13 23:18:12,672 INFO L600 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 [2019-10-13 23:18:12,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2019-10-13 23:18:12,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1358. [2019-10-13 23:18:12,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1358 states. [2019-10-13 23:18:12,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 1644 transitions. [2019-10-13 23:18:12,783 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 1644 transitions. Word has length 76 [2019-10-13 23:18:12,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:12,784 INFO L462 AbstractCegarLoop]: Abstraction has 1358 states and 1644 transitions. [2019-10-13 23:18:12,784 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:18:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1644 transitions. [2019-10-13 23:18:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-13 23:18:12,792 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:12,792 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:18:12,793 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:12,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:12,793 INFO L82 PathProgramCache]: Analyzing trace with hash -710661113, now seen corresponding path program 1 times [2019-10-13 23:18:12,793 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:12,793 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004931931] [2019-10-13 23:18:12,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:12,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:12,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:12,953 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 23:18:12,954 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004931931] [2019-10-13 23:18:12,954 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309522086] [2019-10-13 23:18:12,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:18:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:13,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 23:18:13,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:18:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:18:13,393 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:18:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 23:18:13,716 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [830348580] [2019-10-13 23:18:13,749 INFO L162 IcfgInterpreter]: Started Sifa with 85 locations of interest [2019-10-13 23:18:13,749 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:18:13,756 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:18:13,764 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:18:13,765 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:18:23,716 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-13 23:18:25,252 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-13 23:18:25,378 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:18:25,506 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:18:25,647 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:18:25,918 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:26,104 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:26,310 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:26,530 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:26,850 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-13 23:18:27,007 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,157 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,280 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,388 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,528 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,538 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-13 23:18:27,793 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-13 23:18:27,913 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:28,033 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:28,197 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:28,313 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:28,610 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:28,788 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:29,010 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:29,209 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-13 23:18:29,341 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:29,489 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:29,598 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:29,817 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:29,933 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,158 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:30,262 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,488 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:30,614 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,742 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,862 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:31,178 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:31,290 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:31,509 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:31,823 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:32,056 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:32,177 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:32,493 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:32,659 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:32,771 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:32,932 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:33,151 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:33,262 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:33,391 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:33,506 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:33,618 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:33,745 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:33,913 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:34,028 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:34,153 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:34,386 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:18:34,501 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:34,632 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:34,746 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:34,865 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:34,994 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:35,117 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:35,232 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:35,366 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:35,480 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:35,593 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:35,734 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:35,878 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:35,993 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:36,119 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:36,329 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-13 23:18:36,443 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:36,623 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:36,738 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:36,855 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:36,981 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:37,195 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:37,307 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:37,438 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:37,667 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:37,780 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:37,934 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:38,047 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:38,160 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:38,282 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:38,498 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:18:38,622 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:38,757 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:38,981 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:18:39,098 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:39,232 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:39,347 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:39,461 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:39,585 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:39,811 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-13 23:18:39,925 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:40,102 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:40,306 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-13 23:18:40,420 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:40,551 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:40,765 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:40,877 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:41,001 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:41,212 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:41,325 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:41,449 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:41,561 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:41,673 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:41,796 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:42,007 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:42,120 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:42,258 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:42,462 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:42,574 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:42,701 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:42,918 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:43,030 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:43,157 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:43,371 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:43,487 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:43,611 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:43,722 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:43,835 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:43,958 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,173 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:18:44,286 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:44,430 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:44,654 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-13 23:18:44,769 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:44,896 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:45,010 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:45,125 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:45,251 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:45,585 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-13 23:18:45,698 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:45,828 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:46,032 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-13 23:18:46,146 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-13 23:18:46,273 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-13 23:18:46,497 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:46,609 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:46,736 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:47,005 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:47,118 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564