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_spec1_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:27,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:27,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:27,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:27,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:27,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:27,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:27,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:27,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:27,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:27,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:27,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:27,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:27,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:27,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:27,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:27,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:27,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:27,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:27,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:27,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:27,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:27,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:27,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:27,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:27,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:27,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:27,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:27,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:27,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:27,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:27,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:27,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:27,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:27,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:27,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:27,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:27,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:27,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:27,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:27,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:27,502 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 15:15:27,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:27,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:27,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:27,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:27,518 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:27,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:27,518 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:27,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:27,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:27,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:27,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:27,519 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:27,519 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:27,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:27,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:27,520 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:27,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:27,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:27,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:27,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:27,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:27,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:27,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:27,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:27,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:27,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:27,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:27,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:27,523 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 15:15:27,850 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:27,870 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:27,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:27,875 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:27,875 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:27,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-07 15:15:27,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2b4d767/049557a5a322479fb4f47f27a46344da/FLAG645bc2b54 [2019-10-07 15:15:28,490 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:28,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product57.cil.c [2019-10-07 15:15:28,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2b4d767/049557a5a322479fb4f47f27a46344da/FLAG645bc2b54 [2019-10-07 15:15:28,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a2b4d767/049557a5a322479fb4f47f27a46344da [2019-10-07 15:15:28,854 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:28,855 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:28,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:28,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:28,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:28,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:28" (1/1) ... [2019-10-07 15:15:28,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2536d7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:28, skipping insertion in model container [2019-10-07 15:15:28,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:28" (1/1) ... [2019-10-07 15:15:28,871 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:28,927 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:29,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:29,418 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:29,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:29,539 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:29,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29 WrapperNode [2019-10-07 15:15:29,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:29,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:29,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:29,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:29,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29" (1/1) ... [2019-10-07 15:15:29,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29" (1/1) ... [2019-10-07 15:15:29,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29" (1/1) ... [2019-10-07 15:15:29,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29" (1/1) ... [2019-10-07 15:15:29,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29" (1/1) ... [2019-10-07 15:15:29,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29" (1/1) ... [2019-10-07 15:15:29,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29" (1/1) ... [2019-10-07 15:15:29,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:29,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:29,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:29,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:29,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29" (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 15:15:29,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:15:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:15:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:29,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:15:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:29,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:29,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:29,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:29,717 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:29,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:29,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:15:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:15:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:15:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:29,723 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:29,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:31,468 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:31,469 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:31,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:31 BoogieIcfgContainer [2019-10-07 15:15:31,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:31,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:31,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:31,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:31,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:28" (1/3) ... [2019-10-07 15:15:31,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3536a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:31, skipping insertion in model container [2019-10-07 15:15:31,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:29" (2/3) ... [2019-10-07 15:15:31,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3536a61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:31, skipping insertion in model container [2019-10-07 15:15:31,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:31" (3/3) ... [2019-10-07 15:15:31,482 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2019-10-07 15:15:31,492 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:31,502 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:31,514 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:31,555 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:31,555 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:31,556 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:31,556 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:31,556 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:31,556 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:31,556 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:31,557 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:31,588 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2019-10-07 15:15:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:31,602 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:31,603 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] [2019-10-07 15:15:31,609 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:31,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:31,616 INFO L82 PathProgramCache]: Analyzing trace with hash 499766542, now seen corresponding path program 1 times [2019-10-07 15:15:31,625 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:31,626 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:31,626 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:31,626 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:31,968 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 15:15:31,972 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:31,972 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:31,973 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:31,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:31,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:31,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:31,994 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2019-10-07 15:15:32,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:32,038 INFO L93 Difference]: Finished difference Result 233 states and 278 transitions. [2019-10-07 15:15:32,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:32,039 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:32,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:32,053 INFO L225 Difference]: With dead ends: 233 [2019-10-07 15:15:32,054 INFO L226 Difference]: Without dead ends: 117 [2019-10-07 15:15:32,059 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 15:15:32,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-07 15:15:32,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-10-07 15:15:32,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-07 15:15:32,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 133 transitions. [2019-10-07 15:15:32,119 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 133 transitions. Word has length 42 [2019-10-07 15:15:32,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:32,120 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 133 transitions. [2019-10-07 15:15:32,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 133 transitions. [2019-10-07 15:15:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:32,124 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:32,124 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] [2019-10-07 15:15:32,125 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:32,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:32,125 INFO L82 PathProgramCache]: Analyzing trace with hash -2009821160, now seen corresponding path program 1 times [2019-10-07 15:15:32,126 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:32,126 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,126 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,126 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:32,292 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 15:15:32,293 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,294 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:32,294 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:32,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:32,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:32,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:32,298 INFO L87 Difference]: Start difference. First operand 117 states and 133 transitions. Second operand 3 states. [2019-10-07 15:15:32,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:32,342 INFO L93 Difference]: Finished difference Result 191 states and 217 transitions. [2019-10-07 15:15:32,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:32,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:32,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:32,345 INFO L225 Difference]: With dead ends: 191 [2019-10-07 15:15:32,346 INFO L226 Difference]: Without dead ends: 109 [2019-10-07 15:15:32,347 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 15:15:32,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-07 15:15:32,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-10-07 15:15:32,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-07 15:15:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 122 transitions. [2019-10-07 15:15:32,368 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 122 transitions. Word has length 43 [2019-10-07 15:15:32,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:32,369 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 122 transitions. [2019-10-07 15:15:32,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2019-10-07 15:15:32,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-07 15:15:32,372 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:32,372 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] [2019-10-07 15:15:32,373 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:32,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:32,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1905984228, now seen corresponding path program 1 times [2019-10-07 15:15:32,373 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:32,373 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,374 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,374 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:32,584 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 15:15:32,584 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,585 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:32,585 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:32,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:32,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:32,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:32,586 INFO L87 Difference]: Start difference. First operand 109 states and 122 transitions. Second operand 7 states. [2019-10-07 15:15:32,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:32,912 INFO L93 Difference]: Finished difference Result 196 states and 223 transitions. [2019-10-07 15:15:32,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:15:32,914 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-07 15:15:32,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:32,916 INFO L225 Difference]: With dead ends: 196 [2019-10-07 15:15:32,916 INFO L226 Difference]: Without dead ends: 109 [2019-10-07 15:15:32,918 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:15:32,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2019-10-07 15:15:32,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2019-10-07 15:15:32,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2019-10-07 15:15:32,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2019-10-07 15:15:32,934 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 45 [2019-10-07 15:15:32,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:32,935 INFO L462 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2019-10-07 15:15:32,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:32,935 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2019-10-07 15:15:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-07 15:15:32,937 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:32,937 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 15:15:32,938 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:32,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:32,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1680231948, now seen corresponding path program 1 times [2019-10-07 15:15:32,938 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:32,939 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:32,939 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,939 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:32,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:33,038 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 15:15:33,039 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:33,039 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:33,039 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 15:15:33,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 15:15:33,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 15:15:33,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 15:15:33,041 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand 5 states. [2019-10-07 15:15:33,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:33,489 INFO L93 Difference]: Finished difference Result 280 states and 325 transitions. [2019-10-07 15:15:33,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:33,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-10-07 15:15:33,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:33,495 INFO L225 Difference]: With dead ends: 280 [2019-10-07 15:15:33,496 INFO L226 Difference]: Without dead ends: 193 [2019-10-07 15:15:33,497 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-07 15:15:33,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2019-10-07 15:15:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 178. [2019-10-07 15:15:33,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2019-10-07 15:15:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2019-10-07 15:15:33,552 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 58 [2019-10-07 15:15:33,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:33,553 INFO L462 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2019-10-07 15:15:33,554 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 15:15:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2019-10-07 15:15:33,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-07 15:15:33,558 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:33,559 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] [2019-10-07 15:15:33,559 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:33,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:33,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1031765746, now seen corresponding path program 1 times [2019-10-07 15:15:33,560 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:33,560 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:33,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:33,560 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:33,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:33,727 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 15:15:33,727 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:33,728 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:33,728 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:33,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:33,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:33,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:33,729 INFO L87 Difference]: Start difference. First operand 178 states and 195 transitions. Second operand 6 states. [2019-10-07 15:15:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:33,936 INFO L93 Difference]: Finished difference Result 476 states and 538 transitions. [2019-10-07 15:15:33,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:33,938 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-07 15:15:33,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:33,943 INFO L225 Difference]: With dead ends: 476 [2019-10-07 15:15:33,943 INFO L226 Difference]: Without dead ends: 320 [2019-10-07 15:15:33,944 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 15:15:33,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-10-07 15:15:33,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 310. [2019-10-07 15:15:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-07 15:15:33,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 339 transitions. [2019-10-07 15:15:33,993 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 339 transitions. Word has length 67 [2019-10-07 15:15:33,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:33,996 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 339 transitions. [2019-10-07 15:15:33,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 339 transitions. [2019-10-07 15:15:34,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-07 15:15:34,000 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:34,000 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] [2019-10-07 15:15:34,001 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:34,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:34,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1152524610, now seen corresponding path program 1 times [2019-10-07 15:15:34,001 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:34,002 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:34,002 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:34,002 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:34,164 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 15:15:34,165 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:34,165 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:34,166 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:34,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:34,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:34,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:34,168 INFO L87 Difference]: Start difference. First operand 310 states and 339 transitions. Second operand 7 states. [2019-10-07 15:15:34,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:34,848 INFO L93 Difference]: Finished difference Result 336 states and 376 transitions. [2019-10-07 15:15:34,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:15:34,849 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-07 15:15:34,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:34,853 INFO L225 Difference]: With dead ends: 336 [2019-10-07 15:15:34,853 INFO L226 Difference]: Without dead ends: 333 [2019-10-07 15:15:34,854 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-07 15:15:34,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2019-10-07 15:15:34,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 310. [2019-10-07 15:15:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-07 15:15:34,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 338 transitions. [2019-10-07 15:15:34,877 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 338 transitions. Word has length 70 [2019-10-07 15:15:34,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:34,878 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 338 transitions. [2019-10-07 15:15:34,878 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 338 transitions. [2019-10-07 15:15:34,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-07 15:15:34,880 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:34,880 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:34,880 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:34,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:34,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1201888274, now seen corresponding path program 1 times [2019-10-07 15:15:34,881 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:34,881 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:34,881 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:34,881 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:34,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:15:35,038 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:35,038 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:15:35,038 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 15:15:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:35,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:15:35,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:15:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:35,366 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:15:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:15:35,986 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:15:35,986 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-07 15:15:35,987 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:15:35,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:15:35,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-07 15:15:35,988 INFO L87 Difference]: Start difference. First operand 310 states and 338 transitions. Second operand 11 states. [2019-10-07 15:15:36,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:36,633 INFO L93 Difference]: Finished difference Result 709 states and 805 transitions. [2019-10-07 15:15:36,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:15:36,634 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2019-10-07 15:15:36,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:36,637 INFO L225 Difference]: With dead ends: 709 [2019-10-07 15:15:36,638 INFO L226 Difference]: Without dead ends: 421 [2019-10-07 15:15:36,639 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:15:36,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-07 15:15:36,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 413. [2019-10-07 15:15:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-07 15:15:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 453 transitions. [2019-10-07 15:15:36,678 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 453 transitions. Word has length 83 [2019-10-07 15:15:36,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:36,678 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 453 transitions. [2019-10-07 15:15:36,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:15:36,679 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 453 transitions. [2019-10-07 15:15:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 15:15:36,682 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:36,682 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:36,889 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:36,889 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:36,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:36,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1415977376, now seen corresponding path program 1 times [2019-10-07 15:15:36,891 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:36,891 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:36,891 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:36,892 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:36,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:37,219 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 15:15:37,220 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:37,220 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:15:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:37,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 27 conjunts are in the unsatisfiable core [2019-10-07 15:15:37,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:15:37,585 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:37,695 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:15:37,769 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:15:38,228 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:38,549 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:38,550 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:39,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:39,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-10-07 15:15:39,465 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:15:39,466 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14, 12] total 34 [2019-10-07 15:15:39,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-07 15:15:39,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-07 15:15:39,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=964, Unknown=0, NotChecked=0, Total=1122 [2019-10-07 15:15:39,468 INFO L87 Difference]: Start difference. First operand 413 states and 453 transitions. Second operand 12 states. [2019-10-07 15:15:41,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:41,360 INFO L93 Difference]: Finished difference Result 1051 states and 1219 transitions. [2019-10-07 15:15:41,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-10-07 15:15:41,361 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 128 [2019-10-07 15:15:41,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:41,366 INFO L225 Difference]: With dead ends: 1051 [2019-10-07 15:15:41,366 INFO L226 Difference]: Without dead ends: 660 [2019-10-07 15:15:41,369 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 232 SyntacticMatches, 9 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=396, Invalid=2054, Unknown=0, NotChecked=0, Total=2450 [2019-10-07 15:15:41,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2019-10-07 15:15:41,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 631. [2019-10-07 15:15:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2019-10-07 15:15:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 713 transitions. [2019-10-07 15:15:41,413 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 713 transitions. Word has length 128 [2019-10-07 15:15:41,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:41,413 INFO L462 AbstractCegarLoop]: Abstraction has 631 states and 713 transitions. [2019-10-07 15:15:41,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-07 15:15:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 713 transitions. [2019-10-07 15:15:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 15:15:41,417 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:41,417 INFO L385 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:41,627 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:41,627 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:41,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:41,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1008843704, now seen corresponding path program 1 times [2019-10-07 15:15:41,629 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:41,629 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:41,629 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:41,629 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:41,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:41,977 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:15:41,977 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:41,978 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:15:41,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:42,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 50 conjunts are in the unsatisfiable core [2019-10-07 15:15:42,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:15:42,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:42,403 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-07 15:15:42,595 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:15:42,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:42,977 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:42,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,086 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,213 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,245 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,246 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,270 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,271 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,407 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,408 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 15:15:43,631 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 15:15:43,632 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:15:43,675 INFO L162 IcfgInterpreter]: Started Sifa with 105 locations of interest [2019-10-07 15:15:43,675 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:15:43,684 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:15:43,694 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:15:43,695 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:15:52,276 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-10-07 15:15:53,808 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-07 15:15:53,951 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-07 15:15:54,126 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-07 15:15:54,264 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-10-07 15:15:54,516 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-07 15:15:54,714 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-07 15:15:54,946 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-07 15:15:55,297 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-07 15:15:55,724 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 540 [2019-10-07 15:15:55,897 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-07 15:15:56,158 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-07 15:15:56,355 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-07 15:15:56,525 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-07 15:15:56,665 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 540 [2019-10-07 15:15:56,673 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 184 for LOIs [2019-10-07 15:15:56,948 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 509 [2019-10-07 15:15:56,949 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 544 for LOIs [2019-10-07 15:15:57,061 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:57,175 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:57,326 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:15:57,441 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:57,578 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:57,700 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:15:57,826 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:57,935 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:58,055 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:15:58,303 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 544 [2019-10-07 15:15:58,405 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:58,560 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:15:58,670 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:58,773 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:58,908 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:15:59,012 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:59,129 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:59,246 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:15:59,348 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:59,455 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:59,579 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:15:59,717 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:59,820 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:15:59,937 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:00,138 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:00,256 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:00,360 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:00,485 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:00,608 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:00,711 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:00,813 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:00,929 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:01,031 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:01,133 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:01,291 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:01,395 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:01,659 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:01,853 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:02,047 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:02,177 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:02,481 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:02,590 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:02,714 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:02,824 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:02,932 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:03,049 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:03,176 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:03,288 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:03,436 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:03,733 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 556 [2019-10-07 15:16:03,858 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:03,984 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:04,186 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:04,304 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:04,436 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:04,554 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:16:04,666 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:16:04,790 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 15:16:04,912 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:05,026 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:05,158 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:05,288 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:05,406 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:05,549 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:05,665 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:05,778 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:05,927 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:06,042 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:06,154 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:06,275 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:06,526 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:06,635 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:06,756 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:06,966 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:07,074 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:07,198 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:07,305 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:07,413 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:07,532 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:07,672 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:07,782 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:07,910 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:08,288 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:08,413 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:08,541 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:08,728 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:08,837 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:08,959 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:09,155 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 554 [2019-10-07 15:16:09,264 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:09,389 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:09,585 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 556 [2019-10-07 15:16:09,694 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:09,818 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 15:16:10,044 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:10,152 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:10,275 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:10,716 WARN L191 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:10,964 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:11,117 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:11,226 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:11,335 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:11,452 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:11,670 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:11,778 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:11,898 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:12,104 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:12,237 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:12,358 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:12,645 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:12,763 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:12,884 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:13,080 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:13,188 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:13,307 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:13,415 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:13,525 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:13,643 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:13,770 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:13,881 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:14,006 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:14,193 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:14,302 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:14,424 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:14,625 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:14,733 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:14,853 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:15,056 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:15,174 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:15,294 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:15,404 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:15,513 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:15,631 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:15,831 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:15,943 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:16,067 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:16,268 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 556 [2019-10-07 15:16:16,379 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:16,508 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:16,695 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:16,805 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:16,927 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:17,126 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:17,247 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:17,366 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:17,578 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:17,685 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:17,803 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:18,003 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:18,111 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:18,231 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:18,339 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:18,449 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:18,564 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:18,777 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 556 [2019-10-07 15:16:18,888 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:19,013 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:19,215 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 556 [2019-10-07 15:16:19,325 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:19,447 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:19,559 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:19,669 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:19,789 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:19,996 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 563 DAG size of output: 556 [2019-10-07 15:16:20,111 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:20,244 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:20,444 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 558 [2019-10-07 15:16:20,556 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 15:16:20,678 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 15:16:20,801 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:20,914 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:21,041 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:21,157 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:21,271 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:21,396 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:21,607 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:21,716 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:21,833 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:22,029 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 552 [2019-10-07 15:16:22,136 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:22,258 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:22,371 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:22,480 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:22,597 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:22,796 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:22,905 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:23,032 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:23,221 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:23,328 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:23,449 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:23,559 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:23,667 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:23,787 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:23,988 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 554 [2019-10-07 15:16:24,097 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2019-10-07 15:16:24,219 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:24,413 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 556 [2019-10-07 15:16:24,522 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:24,644 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 15:16:24,647 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 544 for LOIs [2019-10-07 15:16:24,754 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:24,858 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:24,995 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:25,000 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 542 for LOIs [2019-10-07 15:16:25,101 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2019-10-07 15:16:25,326 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-10-07 15:16:25,461 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:25,565 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-07 15:16:25,684 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:26,012 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2019-10-07 15:16:26,120 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-10-07 15:16:26,224 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2019-10-07 15:16:26,348 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-10-07 15:16:26,463 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 15:16:26,568 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 15:16:26,692 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 565 [2019-10-07 15:16:26,831 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:27,108 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:27,525 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 571 [2019-10-07 15:16:27,766 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 557 [2019-10-07 15:16:28,082 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:28,417 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:28,533 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:28,811 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:29,132 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:29,240 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:29,515 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:29,834 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:29,941 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:30,222 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:30,553 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:30,661 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:30,935 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:31,256 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:31,363 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:31,643 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:31,968 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:32,081 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:32,376 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:32,706 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:32,814 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:33,095 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:33,417 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:33,523 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:33,798 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:34,117 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:34,223 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:34,499 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:34,822 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:34,929 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:35,204 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:35,527 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:35,647 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:35,932 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:36,253 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:36,360 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:36,636 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:36,962 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:37,070 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:37,348 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:37,672 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:37,778 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:38,075 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:38,399 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:38,507 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:38,787 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2019-10-07 15:16:39,107 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 568 [2019-10-07 15:16:39,476 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:39,903 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:40,313 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:40,735 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:41,164 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:41,568 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:41,982 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:42,391 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:42,796 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:43,210 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:43,630 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:44,037 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:44,444 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:44,850 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:45,279 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:45,685 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2019-10-07 15:16:46,838 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:16:46,839 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true; at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true; at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:178) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:169) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:16:46,846 INFO L168 Benchmark]: Toolchain (without parser) took 77990.93 ms. Allocated memory was 145.2 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 101.4 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:46,846 INFO L168 Benchmark]: CDTParser took 1.14 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:46,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.89 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 169.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:46,847 INFO L168 Benchmark]: Boogie Preprocessor took 97.91 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 164.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:46,847 INFO L168 Benchmark]: RCFGBuilder took 1831.88 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.7 MB in the beginning and 143.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:46,847 INFO L168 Benchmark]: TraceAbstraction took 75372.05 ms. Allocated memory was 235.9 MB in the beginning and 1.2 GB in the end (delta: 990.4 MB). Free memory was 143.0 MB in the beginning and 1.1 GB in the end (delta: -968.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:46,849 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.89 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.2 MB in the beginning and 169.4 MB in the end (delta: -68.2 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.91 ms. Allocated memory is still 202.9 MB. Free memory was 168.7 MB in the beginning and 164.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1831.88 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 164.7 MB in the beginning and 143.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 75372.05 ms. Allocated memory was 235.9 MB in the beginning and 1.2 GB in the end (delta: 990.4 MB). Free memory was 143.0 MB in the beginning and 1.1 GB in the end (delta: -968.0 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true; de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: assume true;: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...