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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:17:24,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:17:24,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:17:24,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:17:24,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:17:24,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:17:24,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:17:24,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:17:24,225 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:17:24,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:17:24,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:17:24,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:17:24,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:17:24,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:17:24,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:17:24,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:17:24,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:17:24,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:17:24,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:17:24,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:17:24,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:17:24,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:17:24,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:17:24,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:17:24,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:17:24,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:17:24,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:17:24,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:17:24,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:17:24,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:17:24,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:17:24,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:17:24,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:17:24,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:17:24,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:17:24,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:17:24,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:17:24,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:17:24,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:17:24,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:17:24,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:17:24,273 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 15:17:24,298 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:17:24,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:17:24,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:17:24,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:17:24,300 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:17:24,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:17:24,301 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:17:24,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:17:24,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:17:24,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:17:24,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:17:24,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:17:24,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:17:24,306 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:17:24,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:17:24,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:17:24,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:17:24,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:17:24,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:17:24,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:17:24,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:17:24,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:17:24,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:17:24,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:17:24,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:17:24,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:17:24,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:17:24,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:17:24,313 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 15:17:24,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:17:24,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:17:24,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:17:24,622 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:17:24,623 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:17:24,624 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-10-07 15:17:24,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986371eda/05a01dc4879a4c18b3be6101ed2ea720/FLAGae4076f94 [2019-10-07 15:17:25,298 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:17:25,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product56.cil.c [2019-10-07 15:17:25,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986371eda/05a01dc4879a4c18b3be6101ed2ea720/FLAGae4076f94 [2019-10-07 15:17:25,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986371eda/05a01dc4879a4c18b3be6101ed2ea720 [2019-10-07 15:17:25,550 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:17:25,552 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:17:25,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:25,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:17:25,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:17:25,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:25" (1/1) ... [2019-10-07 15:17:25,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a73aee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:25, skipping insertion in model container [2019-10-07 15:17:25,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:17:25" (1/1) ... [2019-10-07 15:17:25,567 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:17:25,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:17:26,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:26,082 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:17:26,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:17:26,265 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:17:26,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26 WrapperNode [2019-10-07 15:17:26,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:17:26,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:17:26,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:17:26,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:17:26,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26" (1/1) ... [2019-10-07 15:17:26,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26" (1/1) ... [2019-10-07 15:17:26,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26" (1/1) ... [2019-10-07 15:17:26,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26" (1/1) ... [2019-10-07 15:17:26,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26" (1/1) ... [2019-10-07 15:17:26,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26" (1/1) ... [2019-10-07 15:17:26,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26" (1/1) ... [2019-10-07 15:17:26,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:17:26,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:17:26,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:17:26,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:17:26,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26" (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 15:17:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:17:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:17:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:17:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:17:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:17:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:17:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:17:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:17:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:17:26,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:17:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:17:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:17:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:17:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:17:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:26,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:17:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:17:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:17:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:17:26,441 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:17:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:17:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:17:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:17:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:17:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:17:26,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:17:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:17:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-07 15:17:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:17:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:17:26,443 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:17:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:17:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:17:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:17:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:17:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:17:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:17:26,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:17:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:17:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:17:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:17:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:17:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:17:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:17:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:17:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:17:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:17:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:17:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:17:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:17:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:17:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:17:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:17:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:17:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:17:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:17:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:17:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:17:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:17:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-07 15:17:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-07 15:17:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:17:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:17:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:17:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:17:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:17:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-07 15:17:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:17:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:17:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:17:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:17:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:17:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-07 15:17:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:17:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:17:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:17:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:17:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:17:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:17:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:17:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:17:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:17:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:17:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:17:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:17:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:17:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:17:28,097 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:17:28,098 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:17:28,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:28 BoogieIcfgContainer [2019-10-07 15:17:28,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:17:28,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:17:28,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:17:28,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:17:28,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:17:25" (1/3) ... [2019-10-07 15:17:28,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e7cdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:28, skipping insertion in model container [2019-10-07 15:17:28,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:17:26" (2/3) ... [2019-10-07 15:17:28,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e7cdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:17:28, skipping insertion in model container [2019-10-07 15:17:28,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:17:28" (3/3) ... [2019-10-07 15:17:28,109 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2019-10-07 15:17:28,120 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:17:28,133 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:17:28,145 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:17:28,194 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:17:28,195 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:17:28,195 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:17:28,196 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:17:28,196 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:17:28,196 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:17:28,197 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:17:28,198 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:17:28,234 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2019-10-07 15:17:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:17:28,252 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:28,253 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 15:17:28,256 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:28,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:28,265 INFO L82 PathProgramCache]: Analyzing trace with hash -94018598, now seen corresponding path program 1 times [2019-10-07 15:17:28,276 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:28,280 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:28,281 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:28,281 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:28,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:28,664 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 15:17:28,665 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:28,665 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:28,666 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:17:28,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:17:28,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:17:28,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:17:28,687 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2019-10-07 15:17:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:28,735 INFO L93 Difference]: Finished difference Result 264 states and 325 transitions. [2019-10-07 15:17:28,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:17:28,737 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-07 15:17:28,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:28,754 INFO L225 Difference]: With dead ends: 264 [2019-10-07 15:17:28,754 INFO L226 Difference]: Without dead ends: 134 [2019-10-07 15:17:28,762 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 15:17:28,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-07 15:17:28,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-07 15:17:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-07 15:17:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2019-10-07 15:17:28,850 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2019-10-07 15:17:28,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:28,851 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2019-10-07 15:17:28,851 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:17:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2019-10-07 15:17:28,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-07 15:17:28,858 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:28,859 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 15:17:28,860 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:28,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:28,862 INFO L82 PathProgramCache]: Analyzing trace with hash -942720183, now seen corresponding path program 1 times [2019-10-07 15:17:28,862 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:28,862 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:28,862 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:28,862 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:28,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:29,026 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 15:17:29,026 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:29,027 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:29,027 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:29,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:29,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:29,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:29,031 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2019-10-07 15:17:29,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:29,082 INFO L93 Difference]: Finished difference Result 212 states and 250 transitions. [2019-10-07 15:17:29,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:29,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-07 15:17:29,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:29,089 INFO L225 Difference]: With dead ends: 212 [2019-10-07 15:17:29,090 INFO L226 Difference]: Without dead ends: 126 [2019-10-07 15:17:29,094 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 15:17:29,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-07 15:17:29,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-10-07 15:17:29,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-07 15:17:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-10-07 15:17:29,130 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 47 [2019-10-07 15:17:29,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:29,131 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-10-07 15:17:29,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-10-07 15:17:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:17:29,140 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:29,140 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] [2019-10-07 15:17:29,142 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:29,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:29,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1287564491, now seen corresponding path program 1 times [2019-10-07 15:17:29,142 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:29,143 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:29,143 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:29,143 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:29,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:29,340 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 15:17:29,341 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:29,341 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:29,341 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:29,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:29,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:29,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:29,343 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 7 states. [2019-10-07 15:17:29,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:29,957 INFO L93 Difference]: Finished difference Result 374 states and 453 transitions. [2019-10-07 15:17:29,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:17:29,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-07 15:17:29,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:29,963 INFO L225 Difference]: With dead ends: 374 [2019-10-07 15:17:29,963 INFO L226 Difference]: Without dead ends: 273 [2019-10-07 15:17:29,971 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:17:29,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-10-07 15:17:30,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 261. [2019-10-07 15:17:30,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2019-10-07 15:17:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 315 transitions. [2019-10-07 15:17:30,034 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 315 transitions. Word has length 51 [2019-10-07 15:17:30,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:30,035 INFO L462 AbstractCegarLoop]: Abstraction has 261 states and 315 transitions. [2019-10-07 15:17:30,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:30,035 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 315 transitions. [2019-10-07 15:17:30,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-07 15:17:30,041 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:30,041 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] [2019-10-07 15:17:30,041 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:30,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:30,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1396472504, now seen corresponding path program 1 times [2019-10-07 15:17:30,042 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:30,042 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:30,043 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:30,043 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:30,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:30,195 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 15:17:30,195 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:30,196 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:30,196 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:17:30,197 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:17:30,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:17:30,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:17:30,198 INFO L87 Difference]: Start difference. First operand 261 states and 315 transitions. Second operand 6 states. [2019-10-07 15:17:30,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:30,485 INFO L93 Difference]: Finished difference Result 715 states and 882 transitions. [2019-10-07 15:17:30,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:17:30,486 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-10-07 15:17:30,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:30,497 INFO L225 Difference]: With dead ends: 715 [2019-10-07 15:17:30,498 INFO L226 Difference]: Without dead ends: 479 [2019-10-07 15:17:30,500 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 15:17:30,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2019-10-07 15:17:30,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 467. [2019-10-07 15:17:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-10-07 15:17:30,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 567 transitions. [2019-10-07 15:17:30,574 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 567 transitions. Word has length 55 [2019-10-07 15:17:30,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:30,582 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 567 transitions. [2019-10-07 15:17:30,582 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:17:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 567 transitions. [2019-10-07 15:17:30,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:17:30,586 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:30,586 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] [2019-10-07 15:17:30,586 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:30,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:30,587 INFO L82 PathProgramCache]: Analyzing trace with hash -753021792, now seen corresponding path program 1 times [2019-10-07 15:17:30,587 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:30,587 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:30,587 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:30,587 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:30,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:30,734 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 15:17:30,734 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:30,735 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:30,735 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:17:30,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:17:30,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:17:30,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:17:30,737 INFO L87 Difference]: Start difference. First operand 467 states and 567 transitions. Second operand 7 states. [2019-10-07 15:17:31,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:31,406 INFO L93 Difference]: Finished difference Result 1235 states and 1626 transitions. [2019-10-07 15:17:31,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:17:31,407 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-07 15:17:31,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:31,416 INFO L225 Difference]: With dead ends: 1235 [2019-10-07 15:17:31,416 INFO L226 Difference]: Without dead ends: 793 [2019-10-07 15:17:31,419 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:17:31,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2019-10-07 15:17:31,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 704. [2019-10-07 15:17:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2019-10-07 15:17:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 848 transitions. [2019-10-07 15:17:31,490 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 848 transitions. Word has length 58 [2019-10-07 15:17:31,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:31,492 INFO L462 AbstractCegarLoop]: Abstraction has 704 states and 848 transitions. [2019-10-07 15:17:31,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:17:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 848 transitions. [2019-10-07 15:17:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-07 15:17:31,495 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:31,495 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:17:31,496 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:31,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:31,496 INFO L82 PathProgramCache]: Analyzing trace with hash -737223390, now seen corresponding path program 1 times [2019-10-07 15:17:31,496 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:31,497 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:31,497 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:31,497 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:31,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:31,582 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 15:17:31,582 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:31,582 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:17:31,583 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:17:31,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:17:31,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:17:31,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:17:31,584 INFO L87 Difference]: Start difference. First operand 704 states and 848 transitions. Second operand 3 states. [2019-10-07 15:17:31,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:17:31,643 INFO L93 Difference]: Finished difference Result 999 states and 1230 transitions. [2019-10-07 15:17:31,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:17:31,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-10-07 15:17:31,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:17:31,653 INFO L225 Difference]: With dead ends: 999 [2019-10-07 15:17:31,654 INFO L226 Difference]: Without dead ends: 996 [2019-10-07 15:17:31,655 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 15:17:31,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2019-10-07 15:17:31,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 956. [2019-10-07 15:17:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 956 states. [2019-10-07 15:17:31,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1177 transitions. [2019-10-07 15:17:31,729 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1177 transitions. Word has length 81 [2019-10-07 15:17:31,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:17:31,729 INFO L462 AbstractCegarLoop]: Abstraction has 956 states and 1177 transitions. [2019-10-07 15:17:31,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:17:31,730 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1177 transitions. [2019-10-07 15:17:31,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 15:17:31,740 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:17:31,741 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-07 15:17:31,741 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:17:31,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:17:31,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1180956023, now seen corresponding path program 1 times [2019-10-07 15:17:31,742 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:17:31,742 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:31,742 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:31,742 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:17:31,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:17:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:32,027 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-07 15:17:32,028 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:17:32,028 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:17:32,028 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 15:17:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:17:32,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-07 15:17:32,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:17:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-07 15:17:32,462 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:17:32,614 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:32,668 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:17:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-07 15:17:32,898 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:17:32,933 INFO L162 IcfgInterpreter]: Started Sifa with 97 locations of interest [2019-10-07 15:17:32,933 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:17:32,940 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:17:32,948 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:17:32,949 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:17:42,087 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 15:17:43,740 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:17:43,949 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:17:44,093 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:17:44,228 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-07 15:17:44,489 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:17:44,764 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:17:44,977 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:17:45,246 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:17:45,596 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-07 15:17:45,787 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:17:45,996 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:17:46,143 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:17:46,261 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:17:46,426 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:17:46,436 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-07 15:17:46,689 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 548 for LOIs [2019-10-07 15:17:46,811 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:46,918 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:47,095 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:47,214 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:47,322 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:47,465 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:47,645 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:47,758 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:47,893 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:48,146 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 548 [2019-10-07 15:17:48,259 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:48,469 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:48,589 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:48,828 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:49,055 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:49,204 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:49,413 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:49,535 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:49,648 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:49,775 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:49,899 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:50,218 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:50,444 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:50,566 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:50,881 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:51,083 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:51,241 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:51,445 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:17:51,566 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:51,726 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:51,836 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:51,959 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:52,213 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:17:52,339 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:52,476 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:52,588 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:52,702 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:52,822 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:53,004 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:17:53,134 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:17:53,260 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:53,550 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:17:53,664 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:53,943 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:54,228 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:17:54,354 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:17:54,478 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:54,604 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:17:54,718 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:17:54,844 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:54,958 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:55,073 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:55,208 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:17:55,390 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:55,504 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:55,630 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:17:55,836 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:17:55,950 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:56,094 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:17:56,208 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:56,324 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:56,456 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:17:56,672 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:17:56,795 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:56,926 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:57,129 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:17:57,241 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:57,385 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:57,504 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:57,617 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:57,737 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:17:57,970 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-07 15:17:58,086 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:58,219 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:58,338 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:58,456 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:58,584 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:58,699 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:58,813 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:58,935 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:59,127 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:17:59,237 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:17:59,362 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:59,577 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:17:59,689 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:17:59,821 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:00,031 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:00,142 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:00,264 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:00,466 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:00,580 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:00,706 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:00,817 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:00,928 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:01,051 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:01,276 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:01,387 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:01,509 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:01,722 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:01,833 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:01,959 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:02,070 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:02,181 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:02,301 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:02,515 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:02,634 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:02,764 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:02,883 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:02,997 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:03,122 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:03,313 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:03,427 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:03,550 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:03,752 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:03,867 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:03,999 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:04,216 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:04,327 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:04,450 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:04,649 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:04,760 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:04,947 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:05,058 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:05,186 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:05,306 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:05,434 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:05,548 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:05,673 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:05,852 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:06,095 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:06,231 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:06,345 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:06,466 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:06,589 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:06,783 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:06,894 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:07,022 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:07,222 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:07,335 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:07,461 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:07,679 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:07,807 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:07,932 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:08,138 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:08,255 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:08,382 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:08,852 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:09,018 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,150 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,354 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:09,464 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,586 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,697 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,808 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:09,927 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:10,052 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:10,165 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:10,295 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:10,413 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:10,526 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:10,652 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:10,766 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:10,879 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:11,001 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:11,192 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-07 15:18:11,305 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-07 15:18:11,438 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:11,638 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-07 15:18:11,751 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:11,876 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:12,086 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:12,198 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:12,320 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:12,523 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:12,636 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:12,760 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:12,976 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:13,087 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,211 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,410 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-07 15:18:13,522 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,687 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,804 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:13,915 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:14,034 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:14,160 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:14,275 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:14,400 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:14,517 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:14,630 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:14,754 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:14,758 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 550 for LOIs [2019-10-07 15:18:15,081 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,304 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:18:15,424 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,608 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 552 [2019-10-07 15:18:15,711 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:18:15,837 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:15,939 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:18:16,042 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:18:16,163 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:16,169 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification2_spec__1 with input of size 536 for LOIs [2019-10-07 15:18:16,470 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:18:16,768 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-10-07 15:18:16,769 INFO L199 IcfgInterpreter]: Interpreting procedure setup with input of size 544 for LOIs [2019-10-07 15:18:17,376 INFO L199 IcfgInterpreter]: Interpreting procedure select_features with input of size 544 for LOIs [2019-10-07 15:18:17,477 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:17,995 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:18:17,996 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 554 for LOIs [2019-10-07 15:18:18,098 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:18:18,201 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:18:18,322 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:18,435 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:18:18,540 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:18:18,662 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:18,771 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:18:18,874 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:18:18,997 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:19,105 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:18:19,213 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:18:19,341 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-10-07 15:18:19,449 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:19,557 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-07 15:18:19,688 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 578 [2019-10-07 15:18:19,806 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:19,913 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-07 15:18:20,045 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-10-07 15:18:20,164 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:20,273 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:18:20,562 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 15:18:20,855 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:21,242 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2019-10-07 15:18:21,441 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:21,606 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:21,774 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:21,939 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:22,098 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:22,256 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:22,414 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:22,572 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:22,738 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:22,905 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:23,073 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:23,239 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:18:23,427 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:23,565 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:23,787 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:23,951 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:24,089 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:24,319 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:24,463 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:24,603 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:24,785 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:24,921 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:25,059 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:25,252 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:25,389 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:25,527 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:25,713 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:25,853 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:25,991 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:26,316 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:26,522 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:26,659 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:26,839 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:26,976 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:27,112 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:27,300 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:27,438 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:27,591 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:27,771 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:27,912 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:28,049 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:28,240 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:28,380 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:28,519 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:28,702 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:28,840 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:28,977 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:29,158 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:29,294 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:29,430 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2019-10-07 15:18:29,609 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 610 DAG size of output: 610 [2019-10-07 15:18:29,887 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:18:29,888 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.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 15:18:29,895 INFO L168 Benchmark]: Toolchain (without parser) took 64344.28 ms. Allocated memory was 138.9 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 103.3 MB in the beginning and 298.4 MB in the end (delta: -195.1 MB). Peak memory consumption was 846.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,896 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.61 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 103.1 MB in the beginning and 171.0 MB in the end (delta: -67.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,896 INFO L168 Benchmark]: Boogie Preprocessor took 102.13 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,897 INFO L168 Benchmark]: RCFGBuilder took 1730.79 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 166.9 MB in the beginning and 140.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,897 INFO L168 Benchmark]: TraceAbstraction took 61793.01 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 944.8 MB). Free memory was 140.4 MB in the beginning and 298.4 MB in the end (delta: -158.0 MB). Peak memory consumption was 786.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:18:29,899 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.61 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 103.1 MB in the beginning and 171.0 MB in the end (delta: -67.9 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.13 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1730.79 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 166.9 MB in the beginning and 140.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 61793.01 ms. Allocated memory was 235.4 MB in the beginning and 1.2 GB in the end (delta: 944.8 MB). Free memory was 140.4 MB in the beginning and 298.4 MB in the end (delta: -158.0 MB). Peak memory consumption was 786.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...