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_spec2_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:33,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:33,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:33,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:33,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:33,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:33,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:33,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:33,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:33,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:33,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:33,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:33,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:33,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:33,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:33,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:33,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:33,203 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:33,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:33,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:33,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:33,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:33,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:33,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:33,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:33,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:33,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:33,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:33,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:33,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:33,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:33,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:33,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:33,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:33,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:33,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:33,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:33,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:33,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:33,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:33,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:33,234 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 15:17:33,270 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:33,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:33,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:33,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:33,272 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:33,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:33,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:33,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:33,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:33,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:33,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:33,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:33,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:33,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:33,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:33,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:33,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:33,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:33,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:33,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:33,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:33,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:33,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:33,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:33,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:33,276 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:33,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:33,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:33,277 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 15:17:33,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:33,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:33,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:33,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:33,591 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:33,591 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product57.cil.c [2019-10-07 15:17:33,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54434217/06a82685b7874c77a03974d86fa6129f/FLAGda9261da9 [2019-10-07 15:17:34,197 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:34,198 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product57.cil.c [2019-10-07 15:17:34,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54434217/06a82685b7874c77a03974d86fa6129f/FLAGda9261da9 [2019-10-07 15:17:34,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54434217/06a82685b7874c77a03974d86fa6129f [2019-10-07 15:17:34,519 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:34,521 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:34,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:34,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:34,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:34,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:34" (1/1) ... [2019-10-07 15:17:34,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb7e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:34, skipping insertion in model container [2019-10-07 15:17:34,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:34" (1/1) ... [2019-10-07 15:17:34,537 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:34,606 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:35,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:35,083 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:35,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:35,240 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:35,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35 WrapperNode [2019-10-07 15:17:35,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:35,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:35,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:35,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:35,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35" (1/1) ... [2019-10-07 15:17:35,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35" (1/1) ... [2019-10-07 15:17:35,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35" (1/1) ... [2019-10-07 15:17:35,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35" (1/1) ... [2019-10-07 15:17:35,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35" (1/1) ... [2019-10-07 15:17:35,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35" (1/1) ... [2019-10-07 15:17:35,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35" (1/1) ... [2019-10-07 15:17:35,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:35,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:35,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:35,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:35,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35" (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 15:17:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:17:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:17:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:17:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:17:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:17:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:17:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:37,015 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:37,015 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:37,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:37 BoogieIcfgContainer [2019-10-07 15:17:37,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:37,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:37,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:37,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:37,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:34" (1/3) ... [2019-10-07 15:17:37,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f833d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:37, skipping insertion in model container [2019-10-07 15:17:37,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:35" (2/3) ... [2019-10-07 15:17:37,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f833d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:37, skipping insertion in model container [2019-10-07 15:17:37,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:37" (3/3) ... [2019-10-07 15:17:37,025 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2019-10-07 15:17:37,036 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:37,048 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:37,059 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:37,101 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:37,101 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:37,101 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:37,101 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:37,102 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:37,102 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:37,102 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:37,102 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-10-07 15:17:37,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:37,157 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:37,159 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:37,162 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:37,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:37,171 INFO L82 PathProgramCache]: Analyzing trace with hash 460544378, now seen corresponding path program 1 times [2019-10-07 15:17:37,183 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:37,183 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:37,184 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:37,184 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:37,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:37,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:37,507 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:37,508 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:37,508 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:37,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:37,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:37,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:37,530 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-10-07 15:17:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:37,574 INFO L93 Difference]: Finished difference Result 238 states and 285 transitions. [2019-10-07 15:17:37,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:37,576 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:37,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:37,589 INFO L225 Difference]: With dead ends: 238 [2019-10-07 15:17:37,589 INFO L226 Difference]: Without dead ends: 121 [2019-10-07 15:17:37,594 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 15:17:37,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-07 15:17:37,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-07 15:17:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-07 15:17:37,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2019-10-07 15:17:37,651 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 46 [2019-10-07 15:17:37,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:37,652 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2019-10-07 15:17:37,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2019-10-07 15:17:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:37,656 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:37,657 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:37,657 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:37,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:37,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1113830539, now seen corresponding path program 1 times [2019-10-07 15:17:37,658 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:37,658 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:37,658 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:37,659 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:37,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:37,823 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:37,823 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:37,823 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:37,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:37,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:37,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:37,827 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 3 states. [2019-10-07 15:17:37,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:37,879 INFO L93 Difference]: Finished difference Result 196 states and 224 transitions. [2019-10-07 15:17:37,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:37,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:37,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:37,883 INFO L225 Difference]: With dead ends: 196 [2019-10-07 15:17:37,883 INFO L226 Difference]: Without dead ends: 113 [2019-10-07 15:17:37,885 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 15:17:37,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-07 15:17:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-07 15:17:37,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-07 15:17:37,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 127 transitions. [2019-10-07 15:17:37,902 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 127 transitions. Word has length 47 [2019-10-07 15:17:37,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:37,902 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 127 transitions. [2019-10-07 15:17:37,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:37,903 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 127 transitions. [2019-10-07 15:17:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-07 15:17:37,905 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:37,905 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:37,906 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:37,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:37,906 INFO L82 PathProgramCache]: Analyzing trace with hash 636064672, now seen corresponding path program 1 times [2019-10-07 15:17:37,907 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:37,907 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:37,907 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:37,907 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:37,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:38,084 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:38,084 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:38,084 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:38,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:38,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:38,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:38,086 INFO L87 Difference]: Start difference. First operand 113 states and 127 transitions. Second operand 7 states. [2019-10-07 15:17:38,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:38,428 INFO L93 Difference]: Finished difference Result 201 states and 230 transitions. [2019-10-07 15:17:38,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:17:38,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-10-07 15:17:38,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:38,432 INFO L225 Difference]: With dead ends: 201 [2019-10-07 15:17:38,432 INFO L226 Difference]: Without dead ends: 113 [2019-10-07 15:17:38,433 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:17:38,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-10-07 15:17:38,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-10-07 15:17:38,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-10-07 15:17:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 126 transitions. [2019-10-07 15:17:38,448 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 126 transitions. Word has length 49 [2019-10-07 15:17:38,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:38,449 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 126 transitions. [2019-10-07 15:17:38,449 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2019-10-07 15:17:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-10-07 15:17:38,452 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:38,452 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:38,452 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:38,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:38,452 INFO L82 PathProgramCache]: Analyzing trace with hash 687835803, now seen corresponding path program 1 times [2019-10-07 15:17:38,453 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:38,453 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:38,453 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:38,453 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:38,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:38,570 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:38,571 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:38,571 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:17:38,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:17:38,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:17:38,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:17:38,574 INFO L87 Difference]: Start difference. First operand 113 states and 126 transitions. Second operand 5 states. [2019-10-07 15:17:39,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:39,068 INFO L93 Difference]: Finished difference Result 287 states and 336 transitions. [2019-10-07 15:17:39,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:39,068 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2019-10-07 15:17:39,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:39,074 INFO L225 Difference]: With dead ends: 287 [2019-10-07 15:17:39,076 INFO L226 Difference]: Without dead ends: 199 [2019-10-07 15:17:39,077 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:17:39,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2019-10-07 15:17:39,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 184. [2019-10-07 15:17:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2019-10-07 15:17:39,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 204 transitions. [2019-10-07 15:17:39,126 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 204 transitions. Word has length 62 [2019-10-07 15:17:39,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:39,127 INFO L462 AbstractCegarLoop]: Abstraction has 184 states and 204 transitions. [2019-10-07 15:17:39,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:17:39,127 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 204 transitions. [2019-10-07 15:17:39,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-07 15:17:39,131 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:39,131 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:39,131 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:39,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:39,132 INFO L82 PathProgramCache]: Analyzing trace with hash -329908176, now seen corresponding path program 1 times [2019-10-07 15:17:39,132 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:39,132 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,132 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,132 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:39,299 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,300 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:39,300 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:39,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:39,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:39,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:39,302 INFO L87 Difference]: Start difference. First operand 184 states and 204 transitions. Second operand 6 states. [2019-10-07 15:17:39,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:39,537 INFO L93 Difference]: Finished difference Result 485 states and 553 transitions. [2019-10-07 15:17:39,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:39,538 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2019-10-07 15:17:39,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:39,543 INFO L225 Difference]: With dead ends: 485 [2019-10-07 15:17:39,543 INFO L226 Difference]: Without dead ends: 326 [2019-10-07 15:17:39,545 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-07 15:17:39,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-10-07 15:17:39,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 316. [2019-10-07 15:17:39,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-10-07 15:17:39,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 348 transitions. [2019-10-07 15:17:39,585 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 348 transitions. Word has length 71 [2019-10-07 15:17:39,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:39,586 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 348 transitions. [2019-10-07 15:17:39,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:39,586 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 348 transitions. [2019-10-07 15:17:39,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-07 15:17:39,588 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:39,588 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:39,589 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:39,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:39,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1674285327, now seen corresponding path program 1 times [2019-10-07 15:17:39,589 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:39,589 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,590 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,590 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:39,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:17:39,747 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:39,748 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:39,748 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:39,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:39,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:39,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:39,750 INFO L87 Difference]: Start difference. First operand 316 states and 348 transitions. Second operand 7 states. [2019-10-07 15:17:40,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:40,323 INFO L93 Difference]: Finished difference Result 497 states and 566 transitions. [2019-10-07 15:17:40,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:40,325 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2019-10-07 15:17:40,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:40,329 INFO L225 Difference]: With dead ends: 497 [2019-10-07 15:17:40,329 INFO L226 Difference]: Without dead ends: 338 [2019-10-07 15:17:40,330 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:17:40,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-10-07 15:17:40,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 315. [2019-10-07 15:17:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-10-07 15:17:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 345 transitions. [2019-10-07 15:17:40,370 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 345 transitions. Word has length 74 [2019-10-07 15:17:40,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:40,371 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 345 transitions. [2019-10-07 15:17:40,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:40,372 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 345 transitions. [2019-10-07 15:17:40,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-07 15:17:40,376 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:40,376 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] [2019-10-07 15:17:40,376 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:40,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:40,377 INFO L82 PathProgramCache]: Analyzing trace with hash -386248813, now seen corresponding path program 1 times [2019-10-07 15:17:40,377 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:40,377 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:40,377 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:40,378 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:40,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:17:40,584 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:40,585 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:40,585 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 15:17:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:40,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-07 15:17:40,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:40,877 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 15:17:40,878 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:41,045 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 15:17:41,045 INFO L211 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-07 15:17:41,046 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-10-07 15:17:41,046 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:41,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:41,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:41,047 INFO L87 Difference]: Start difference. First operand 315 states and 345 transitions. Second operand 3 states. [2019-10-07 15:17:41,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:41,095 INFO L93 Difference]: Finished difference Result 453 states and 509 transitions. [2019-10-07 15:17:41,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:41,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2019-10-07 15:17:41,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:41,100 INFO L225 Difference]: With dead ends: 453 [2019-10-07 15:17:41,100 INFO L226 Difference]: Without dead ends: 450 [2019-10-07 15:17:41,101 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-10-07 15:17:41,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-10-07 15:17:41,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 443. [2019-10-07 15:17:41,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-07 15:17:41,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 497 transitions. [2019-10-07 15:17:41,137 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 497 transitions. Word has length 87 [2019-10-07 15:17:41,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:41,138 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 497 transitions. [2019-10-07 15:17:41,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:41,138 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 497 transitions. [2019-10-07 15:17:41,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 15:17:41,141 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:41,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:41,346 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:41,347 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:41,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:41,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1379291083, now seen corresponding path program 1 times [2019-10-07 15:17:41,348 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:41,348 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:41,349 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:41,349 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:41,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:41,530 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 15:17:41,530 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:41,531 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:41,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:17:41,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-07 15:17:41,885 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:42,725 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-07 15:17:42,726 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:42,726 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 12] total 25 [2019-10-07 15:17:42,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:17:42,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:17:42,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2019-10-07 15:17:42,728 INFO L87 Difference]: Start difference. First operand 443 states and 497 transitions. Second operand 11 states. [2019-10-07 15:17:43,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:43,551 INFO L93 Difference]: Finished difference Result 957 states and 1110 transitions. [2019-10-07 15:17:43,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-07 15:17:43,552 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2019-10-07 15:17:43,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:43,556 INFO L225 Difference]: With dead ends: 957 [2019-10-07 15:17:43,556 INFO L226 Difference]: Without dead ends: 539 [2019-10-07 15:17:43,558 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:17:43,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-10-07 15:17:43,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 528. [2019-10-07 15:17:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2019-10-07 15:17:43,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 587 transitions. [2019-10-07 15:17:43,592 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 587 transitions. Word has length 138 [2019-10-07 15:17:43,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:43,593 INFO L462 AbstractCegarLoop]: Abstraction has 528 states and 587 transitions. [2019-10-07 15:17:43,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:17:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 587 transitions. [2019-10-07 15:17:43,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 15:17:43,596 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:43,596 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:43,801 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:43,802 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:43,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:43,803 INFO L82 PathProgramCache]: Analyzing trace with hash 792749221, now seen corresponding path program 1 times [2019-10-07 15:17:43,803 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:43,803 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:43,804 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:43,804 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:43,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 35 proven. 14 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-10-07 15:17:44,036 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:44,036 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:44,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:44,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 27 conjunts are in the unsatisfiable core [2019-10-07 15:17:44,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:44,411 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:44,412 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:44,581 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:44,680 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-07 15:17:44,681 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:45,111 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:45,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:45,445 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:46,118 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:46,150 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 35 proven. 14 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-10-07 15:17:46,397 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:17:46,397 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14, 12] total 34 [2019-10-07 15:17:46,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:17:46,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:17:46,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=964, Unknown=0, NotChecked=0, Total=1122 [2019-10-07 15:17:46,399 INFO L87 Difference]: Start difference. First operand 528 states and 587 transitions. Second operand 12 states. [2019-10-07 15:17:48,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:48,359 INFO L93 Difference]: Finished difference Result 1291 states and 1500 transitions. [2019-10-07 15:17:48,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-07 15:17:48,359 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 183 [2019-10-07 15:17:48,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:48,365 INFO L225 Difference]: With dead ends: 1291 [2019-10-07 15:17:48,365 INFO L226 Difference]: Without dead ends: 788 [2019-10-07 15:17:48,368 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 341 SyntacticMatches, 10 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=396, Invalid=2054, Unknown=0, NotChecked=0, Total=2450 [2019-10-07 15:17:48,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-10-07 15:17:48,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 749. [2019-10-07 15:17:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2019-10-07 15:17:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 851 transitions. [2019-10-07 15:17:48,424 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 851 transitions. Word has length 183 [2019-10-07 15:17:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:48,425 INFO L462 AbstractCegarLoop]: Abstraction has 749 states and 851 transitions. [2019-10-07 15:17:48,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:17:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 851 transitions. [2019-10-07 15:17:48,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 15:17:48,429 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:48,429 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:48,641 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:48,642 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:48,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:48,642 INFO L82 PathProgramCache]: Analyzing trace with hash 2045392550, now seen corresponding path program 1 times [2019-10-07 15:17:48,642 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:48,643 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:48,643 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:48,643 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:48,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:49,042 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-10-07 15:17:49,042 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:49,043 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:49,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:49,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 1029 conjuncts, 50 conjunts are in the unsatisfiable core [2019-10-07 15:17:49,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:49,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:49,586 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:49,660 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:49,791 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 74 proven. 31 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:17:49,791 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:50,156 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,157 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,389 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,548 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,598 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,600 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,714 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,830 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,862 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,863 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,880 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:50,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:51,073 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:51,074 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:51,144 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:51,286 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-07 15:17:51,286 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:17:51,312 INFO L162 IcfgInterpreter]: Started Sifa with 109 locations of interest [2019-10-07 15:17:51,312 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:17:51,318 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:17:51,323 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:17:51,324 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:18:01,651 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:18:03,491 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:18:03,628 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:18:03,762 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:18:03,890 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:18:04,175 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:04,441 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:04,662 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:04,869 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:05,228 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:18:05,429 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:05,567 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:05,697 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:05,805 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:05,914 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:05,922 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:18:06,158 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2019-10-07 15:18:06,309 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-07 15:18:06,310 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 550 for LOIs [2019-10-07 15:18:06,487 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:06,593 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:06,726 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:06,860 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:07,013 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:07,143 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:07,263 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:07,377 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:07,498 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:07,774 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 550 [2019-10-07 15:18:07,879 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:08,016 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:08,134 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:08,238 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:08,457 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:08,639 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:08,751 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:08,883 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:08,987 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:09,093 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:09,216 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:09,321 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:09,447 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:09,568 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:09,672 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:09,775 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:09,895 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:09,998 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:10,111 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:10,267 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:10,372 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:10,477 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:10,598 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:10,701 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:10,807 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:10,929 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:11,031 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:11,155 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:11,278 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:11,407 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:11,518 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:11,641 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:11,861 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:11,978 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:12,160 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:12,272 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:12,384 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:12,505 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:12,663 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:12,778 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:12,907 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,137 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:13,251 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,383 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,589 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:13,703 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,826 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,943 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 15:18:14,070 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 15:18:14,221 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 569 [2019-10-07 15:18:14,339 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:14,457 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:14,583 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:14,713 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:14,830 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:14,960 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:15,179 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 571 [2019-10-07 15:18:15,294 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:15,436 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:15,553 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:15,673 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:15,810 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:16,050 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:16,162 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:16,309 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:16,519 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:16,631 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:16,753 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:16,886 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:17,001 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:17,122 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:17,257 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:17,371 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:17,505 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:17,738 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:18,039 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:18,365 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:18,665 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:18,970 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:19,275 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:19,599 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 562 [2019-10-07 15:18:19,722 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:19,870 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:20,077 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 564 [2019-10-07 15:18:20,191 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:20,324 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:20,765 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:21,057 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:21,395 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:21,873 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:22,087 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:22,285 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:22,397 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:22,509 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:22,629 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:22,845 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:22,957 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:23,092 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:23,460 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:23,634 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:23,761 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:23,872 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:23,982 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:24,102 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:24,230 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:24,344 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:24,472 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:24,685 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-07 15:18:24,799 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:24,931 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:25,132 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-07 15:18:25,246 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:25,369 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:25,575 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 564 [2019-10-07 15:18:25,689 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:25,815 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:26,025 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 566 [2019-10-07 15:18:26,148 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:26,275 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:26,574 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 571 [2019-10-07 15:18:26,690 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:26,822 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:27,033 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 571 [2019-10-07 15:18:27,150 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:27,280 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:27,493 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:27,605 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:27,728 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:27,932 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:28,042 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:28,164 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:28,283 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:28,395 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:28,516 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:28,732 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-07 15:18:28,847 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:28,978 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:29,183 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-07 15:18:29,294 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:29,422 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:29,534 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:29,646 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:29,770 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:29,971 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-07 15:18:30,085 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:30,210 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:30,423 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:30,535 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:30,658 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:30,859 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:30,969 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:31,092 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:31,209 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:31,325 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:31,447 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:31,663 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:31,779 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:31,904 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:32,114 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-07 15:18:32,226 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:32,353 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:32,566 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:32,678 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:32,805 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:33,008 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:33,119 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:33,241 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:33,464 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:33,576 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:33,702 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:33,910 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-07 15:18:34,022 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:34,145 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:34,257 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:34,369 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:34,491 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:34,706 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:34,818 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:34,944 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:35,151 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-07 15:18:35,266 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:35,392 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:35,593 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-07 15:18:35,705 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:35,828 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:36,023 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-07 15:18:36,147 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:36,272 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:36,467 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-07 15:18:36,583 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:36,711 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:36,715 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-10-07 15:18:36,816 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:18:36,920 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:18:37,041 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:37,161 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:37,265 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:37,387 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:37,567 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 550 [2019-10-07 15:18:37,673 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:37,795 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:37,902 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:38,006 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:38,128 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:38,135 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 548 for LOIs [2019-10-07 15:18:38,237 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:18:38,339 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:18:38,469 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-07 15:18:38,614 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:38,718 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:38,842 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:38,955 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:39,059 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 550 [2019-10-07 15:18:39,188 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:39,305 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:18:39,414 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:18:39,548 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:18:39,663 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:18:39,770 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2019-10-07 15:18:39,899 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:40,016 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 15:18:40,122 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 15:18:40,252 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 574 [2019-10-07 15:18:40,370 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:40,478 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-07 15:18:40,609 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:18:40,726 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:40,841 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:40,975 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 580 [2019-10-07 15:18:41,133 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:41,524 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-10-07 15:18:41,721 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:41,888 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:42,054 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:42,214 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:42,390 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:42,550 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:42,712 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:42,888 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:43,045 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:43,204 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:43,364 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:43,548 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:43,716 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:43,879 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:44,041 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:44,198 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:44,354 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:44,512 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:44,671 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:44,829 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:44,986 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:45,145 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:45,309 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:45,467 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:45,630 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:45,793 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:45,954 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2019-10-07 15:18:46,133 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:46,272 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:46,491 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:46,634 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:46,775 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:46,957 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:47,093 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:47,230 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:47,411 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:47,546 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:47,680 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:47,865 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:48,006 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:48,144 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:48,334 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:48,473 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:48,609 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:48,808 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:48,943 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:49,081 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:49,264 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:49,399 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:49,536 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:49,723 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:49,858 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:49,994 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:50,176 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:50,312 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:50,447 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:50,631 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:50,765 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:50,901 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:51,081 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:51,223 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:51,361 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:51,684 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:51,903 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:52,039 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:52,221 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:52,359 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:52,500 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:52,683 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:52,821 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:52,961 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:53,141 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:53,276 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:53,412 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:53,593 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:53,729 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:53,870 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:54,050 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:54,193 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:54,328 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:54,516 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:54,651 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:54,788 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:54,966 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:55,102 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:55,236 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:55,414 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:55,549 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:55,686 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:55,866 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:56,004 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:56,142 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:56,324 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:56,459 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:56,594 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:56,773 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:56,908 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:57,045 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:57,226 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:57,361 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:57,501 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:57,681 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:57,818 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:57,955 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:58,137 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:58,275 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:58,411 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:58,590 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:58,724 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:58,860 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2019-10-07 15:18:59,051 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 607 [2019-10-07 15:18:59,202 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 619 [2019-10-07 15:18:59,521 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:59,522 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: assume true; 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: assume true; 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.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 15:18:59,529 INFO L168 Benchmark]: Toolchain (without parser) took 85008.46 ms. Allocated memory was 144.7 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 101.0 MB in the beginning and 1.0 GB in the end (delta: -901.5 MB). Peak memory consumption was 272.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:59,530 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:59,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.36 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 168.2 MB in the end (delta: -67.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:59,530 INFO L168 Benchmark]: Boogie Preprocessor took 82.89 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 164.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:59,531 INFO L168 Benchmark]: RCFGBuilder took 1692.21 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 164.2 MB in the beginning and 141.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:59,531 INFO L168 Benchmark]: TraceAbstraction took 82509.41 ms. Allocated memory was 234.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 141.9 MB in the beginning and 1.0 GB in the end (delta: -860.6 MB). Peak memory consumption was 224.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:59,532 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.36 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 168.2 MB in the end (delta: -67.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.89 ms. Allocated memory is still 202.4 MB. Free memory was 168.2 MB in the beginning and 164.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1692.21 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 164.2 MB in the beginning and 141.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 82509.41 ms. Allocated memory was 234.4 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 141.9 MB in the beginning and 1.0 GB in the end (delta: -860.6 MB). Peak memory consumption was 224.2 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: assume true; de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true;: 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...