/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:30:37,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:30:37,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:30:37,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:30:37,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:30:37,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:30:37,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:30:37,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:30:37,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:30:37,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:30:37,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:30:37,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:30:37,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:30:37,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:30:37,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:30:37,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:30:37,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:30:37,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:30:37,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:30:37,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:30:37,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:30:37,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:30:37,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:30:37,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:30:37,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:30:37,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:30:37,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:30:37,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:30:37,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:30:37,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:30:37,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:30:37,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:30:37,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:30:37,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:30:37,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:30:37,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:30:37,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:30:37,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:30:37,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:30:37,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:30:37,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:30:37,554 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 [2019-11-07 04:30:37,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:30:37,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:30:37,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:30:37,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:30:37,570 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:30:37,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:30:37,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:30:37,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:30:37,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:30:37,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:30:37,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:30:37,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:30:37,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:30:37,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:30:37,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:30:37,572 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:30:37,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:30:37,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:30:37,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:30:37,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:30:37,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:30:37,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:30:37,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:30:37,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:30:37,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:30:37,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:30:37,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:30:37,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:30:37,575 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 [2019-11-07 04:30:37,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:30:37,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:30:37,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:30:37,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:30:37,898 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:30:37,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2019-11-07 04:30:37,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecf2b29a/ccd2d71995cc4b4f8b20731d4e24f0b1/FLAG255f1ba84 [2019-11-07 04:30:38,533 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:30:38,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2019-11-07 04:30:38,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecf2b29a/ccd2d71995cc4b4f8b20731d4e24f0b1/FLAG255f1ba84 [2019-11-07 04:30:38,789 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecf2b29a/ccd2d71995cc4b4f8b20731d4e24f0b1 [2019-11-07 04:30:38,800 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:30:38,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:30:38,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:30:38,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:30:38,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:30:38,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:30:38" (1/1) ... [2019-11-07 04:30:38,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250e170f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:38, skipping insertion in model container [2019-11-07 04:30:38,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:30:38" (1/1) ... [2019-11-07 04:30:38,841 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:30:38,945 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:30:39,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:30:39,514 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:30:39,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:30:39,647 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:30:39,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39 WrapperNode [2019-11-07 04:30:39,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:30:39,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:30:39,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:30:39,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:30:39,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39" (1/1) ... [2019-11-07 04:30:39,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39" (1/1) ... [2019-11-07 04:30:39,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39" (1/1) ... [2019-11-07 04:30:39,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39" (1/1) ... [2019-11-07 04:30:39,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39" (1/1) ... [2019-11-07 04:30:39,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39" (1/1) ... [2019-11-07 04:30:39,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39" (1/1) ... [2019-11-07 04:30:39,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:30:39,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:30:39,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:30:39,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:30:39,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39" (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 [2019-11-07 04:30:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:30:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:30:39,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:30:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:30:39,816 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:30:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:30:39,817 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:30:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:30:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:30:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:30:39,818 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:30:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:30:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:30:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:30:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:30:39,820 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:30:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:30:39,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:30:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:30:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:30:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:30:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:30:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:30:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:30:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:30:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:30:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:30:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:30:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:30:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:30:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:30:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:30:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:30:39,825 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-11-07 04:30:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:30:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:30:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:30:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:30:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:30:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:30:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:30:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:30:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:30:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:30:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:30:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:30:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:30:39,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:30:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:30:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:30:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:30:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:30:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:30:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:30:39,829 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:30:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:30:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:30:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:30:39,830 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:30:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:30:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:30:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:30:39,831 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:30:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:30:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:30:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:30:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:30:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:30:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:30:39,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:30:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:30:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:30:39,833 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-11-07 04:30:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:30:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:30:39,834 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:30:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:30:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:30:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:30:39,835 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:30:39,836 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:30:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:30:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:30:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:30:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:30:39,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:30:39,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:30:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:30:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:30:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:30:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:30:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:30:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:30:39,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:30:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:30:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:30:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:30:39,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:30:41,560 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:30:41,560 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:30:41,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:30:41 BoogieIcfgContainer [2019-11-07 04:30:41,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:30:41,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:30:41,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:30:41,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:30:41,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:30:38" (1/3) ... [2019-11-07 04:30:41,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be2fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:30:41, skipping insertion in model container [2019-11-07 04:30:41,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:39" (2/3) ... [2019-11-07 04:30:41,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be2fbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:30:41, skipping insertion in model container [2019-11-07 04:30:41,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:30:41" (3/3) ... [2019-11-07 04:30:41,571 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-11-07 04:30:41,582 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:30:41,592 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:30:41,606 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:30:41,639 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:30:41,639 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:30:41,639 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:30:41,639 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:30:41,640 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:30:41,640 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:30:41,641 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:30:41,641 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:30:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2019-11-07 04:30:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 04:30:41,690 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:41,692 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:41,696 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:41,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:41,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1817160733, now seen corresponding path program 1 times [2019-11-07 04:30:41,714 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:41,714 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118079933] [2019-11-07 04:30:41,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:42,045 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118079933] [2019-11-07 04:30:42,046 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:42,047 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:30:42,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721828107] [2019-11-07 04:30:42,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:30:42,056 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:42,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:30:42,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:30:42,073 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2019-11-07 04:30:42,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:42,119 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2019-11-07 04:30:42,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:30:42,124 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 04:30:42,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:42,145 INFO L225 Difference]: With dead ends: 224 [2019-11-07 04:30:42,146 INFO L226 Difference]: Without dead ends: 114 [2019-11-07 04:30:42,157 INFO L630 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 [2019-11-07 04:30:42,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-11-07 04:30:42,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-11-07 04:30:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-07 04:30:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2019-11-07 04:30:42,217 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 46 [2019-11-07 04:30:42,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:42,217 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2019-11-07 04:30:42,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:30:42,218 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2019-11-07 04:30:42,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:30:42,222 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:42,222 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:42,223 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:42,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:42,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1822053285, now seen corresponding path program 1 times [2019-11-07 04:30:42,224 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:42,224 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147943025] [2019-11-07 04:30:42,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:42,389 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147943025] [2019-11-07 04:30:42,389 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:42,389 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:30:42,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177615006] [2019-11-07 04:30:42,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:42,392 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:42,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:42,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:42,393 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand 3 states. [2019-11-07 04:30:42,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:42,416 INFO L93 Difference]: Finished difference Result 178 states and 203 transitions. [2019-11-07 04:30:42,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:42,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 04:30:42,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:42,419 INFO L225 Difference]: With dead ends: 178 [2019-11-07 04:30:42,419 INFO L226 Difference]: Without dead ends: 106 [2019-11-07 04:30:42,421 INFO L630 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 [2019-11-07 04:30:42,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-07 04:30:42,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-07 04:30:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-07 04:30:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 119 transitions. [2019-11-07 04:30:42,439 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 119 transitions. Word has length 47 [2019-11-07 04:30:42,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:42,440 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 119 transitions. [2019-11-07 04:30:42,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2019-11-07 04:30:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 04:30:42,443 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:42,443 INFO L410 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] [2019-11-07 04:30:42,443 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:42,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:42,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1084796694, now seen corresponding path program 1 times [2019-11-07 04:30:42,444 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:42,444 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974131317] [2019-11-07 04:30:42,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:42,655 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974131317] [2019-11-07 04:30:42,655 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:42,656 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:30:42,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185946485] [2019-11-07 04:30:42,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:30:42,657 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:42,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:30:42,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:30:42,658 INFO L87 Difference]: Start difference. First operand 106 states and 119 transitions. Second operand 7 states. [2019-11-07 04:30:43,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:43,037 INFO L93 Difference]: Finished difference Result 187 states and 214 transitions. [2019-11-07 04:30:43,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:30:43,037 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-07 04:30:43,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:43,040 INFO L225 Difference]: With dead ends: 187 [2019-11-07 04:30:43,042 INFO L226 Difference]: Without dead ends: 106 [2019-11-07 04:30:43,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:30:43,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-11-07 04:30:43,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-11-07 04:30:43,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-11-07 04:30:43,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2019-11-07 04:30:43,071 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 50 [2019-11-07 04:30:43,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:43,071 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2019-11-07 04:30:43,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:30:43,072 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2019-11-07 04:30:43,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-07 04:30:43,077 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:43,081 INFO L410 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] [2019-11-07 04:30:43,082 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:43,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:43,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1850856177, now seen corresponding path program 1 times [2019-11-07 04:30:43,082 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:43,083 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788637197] [2019-11-07 04:30:43,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:43,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:43,198 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788637197] [2019-11-07 04:30:43,198 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:43,198 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 04:30:43,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728719846] [2019-11-07 04:30:43,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 04:30:43,200 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:43,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 04:30:43,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 04:30:43,200 INFO L87 Difference]: Start difference. First operand 106 states and 118 transitions. Second operand 5 states. [2019-11-07 04:30:43,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:43,665 INFO L93 Difference]: Finished difference Result 277 states and 327 transitions. [2019-11-07 04:30:43,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:30:43,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2019-11-07 04:30:43,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:43,668 INFO L225 Difference]: With dead ends: 277 [2019-11-07 04:30:43,669 INFO L226 Difference]: Without dead ends: 196 [2019-11-07 04:30:43,670 INFO L630 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 [2019-11-07 04:30:43,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-11-07 04:30:43,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 179. [2019-11-07 04:30:43,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-11-07 04:30:43,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 199 transitions. [2019-11-07 04:30:43,695 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 199 transitions. Word has length 63 [2019-11-07 04:30:43,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:43,696 INFO L462 AbstractCegarLoop]: Abstraction has 179 states and 199 transitions. [2019-11-07 04:30:43,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 04:30:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 199 transitions. [2019-11-07 04:30:43,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-07 04:30:43,698 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:43,699 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:43,699 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:43,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:43,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1596423314, now seen corresponding path program 1 times [2019-11-07 04:30:43,700 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:43,700 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272419389] [2019-11-07 04:30:43,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:43,821 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272419389] [2019-11-07 04:30:43,821 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:43,822 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:30:43,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094362152] [2019-11-07 04:30:43,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:30:43,823 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:43,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:30:43,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:30:43,824 INFO L87 Difference]: Start difference. First operand 179 states and 199 transitions. Second operand 6 states. [2019-11-07 04:30:44,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:44,028 INFO L93 Difference]: Finished difference Result 470 states and 538 transitions. [2019-11-07 04:30:44,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:30:44,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2019-11-07 04:30:44,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:44,033 INFO L225 Difference]: With dead ends: 470 [2019-11-07 04:30:44,033 INFO L226 Difference]: Without dead ends: 316 [2019-11-07 04:30:44,035 INFO L630 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 [2019-11-07 04:30:44,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2019-11-07 04:30:44,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 306. [2019-11-07 04:30:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-11-07 04:30:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 338 transitions. [2019-11-07 04:30:44,095 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 338 transitions. Word has length 72 [2019-11-07 04:30:44,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:44,095 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 338 transitions. [2019-11-07 04:30:44,096 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:30:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 338 transitions. [2019-11-07 04:30:44,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-07 04:30:44,099 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:44,099 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:44,099 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:44,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:44,100 INFO L82 PathProgramCache]: Analyzing trace with hash -721459112, now seen corresponding path program 1 times [2019-11-07 04:30:44,100 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:44,101 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883455976] [2019-11-07 04:30:44,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:44,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:44,235 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883455976] [2019-11-07 04:30:44,236 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:44,236 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:30:44,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651970965] [2019-11-07 04:30:44,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:30:44,237 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:44,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:30:44,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:30:44,238 INFO L87 Difference]: Start difference. First operand 306 states and 338 transitions. Second operand 7 states. [2019-11-07 04:30:44,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:44,812 INFO L93 Difference]: Finished difference Result 486 states and 559 transitions. [2019-11-07 04:30:44,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:30:44,812 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-11-07 04:30:44,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:44,816 INFO L225 Difference]: With dead ends: 486 [2019-11-07 04:30:44,816 INFO L226 Difference]: Without dead ends: 332 [2019-11-07 04:30:44,817 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:30:44,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2019-11-07 04:30:44,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 305. [2019-11-07 04:30:44,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-11-07 04:30:44,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 335 transitions. [2019-11-07 04:30:44,840 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 335 transitions. Word has length 75 [2019-11-07 04:30:44,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:44,841 INFO L462 AbstractCegarLoop]: Abstraction has 305 states and 335 transitions. [2019-11-07 04:30:44,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:30:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 335 transitions. [2019-11-07 04:30:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-07 04:30:44,842 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:44,842 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:44,843 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:44,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:44,843 INFO L82 PathProgramCache]: Analyzing trace with hash 913236934, now seen corresponding path program 1 times [2019-11-07 04:30:44,843 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:44,844 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698643228] [2019-11-07 04:30:44,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:44,901 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698643228] [2019-11-07 04:30:44,902 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:44,902 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:30:44,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496959070] [2019-11-07 04:30:44,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:44,903 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:44,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:44,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:44,903 INFO L87 Difference]: Start difference. First operand 305 states and 335 transitions. Second operand 3 states. [2019-11-07 04:30:44,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:44,941 INFO L93 Difference]: Finished difference Result 434 states and 489 transitions. [2019-11-07 04:30:44,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:44,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-11-07 04:30:44,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:44,945 INFO L225 Difference]: With dead ends: 434 [2019-11-07 04:30:44,945 INFO L226 Difference]: Without dead ends: 431 [2019-11-07 04:30:44,945 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:44,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-11-07 04:30:44,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 418. [2019-11-07 04:30:44,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2019-11-07 04:30:44,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 469 transitions. [2019-11-07 04:30:44,974 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 469 transitions. Word has length 75 [2019-11-07 04:30:44,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:44,974 INFO L462 AbstractCegarLoop]: Abstraction has 418 states and 469 transitions. [2019-11-07 04:30:44,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 469 transitions. [2019-11-07 04:30:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-07 04:30:44,978 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:44,978 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:44,978 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:44,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:44,979 INFO L82 PathProgramCache]: Analyzing trace with hash -636599952, now seen corresponding path program 1 times [2019-11-07 04:30:44,979 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:44,979 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130300434] [2019-11-07 04:30:44,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:30:45,065 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130300434] [2019-11-07 04:30:45,065 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204417454] [2019-11-07 04:30:45,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:45,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 884 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 04:30:45,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:30:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:45,465 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:30:45,848 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:30:45,849 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:30:45,849 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-11-07 04:30:45,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270148064] [2019-11-07 04:30:45,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:45,850 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:45,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:45,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-07 04:30:45,851 INFO L87 Difference]: Start difference. First operand 418 states and 469 transitions. Second operand 3 states. [2019-11-07 04:30:45,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:45,920 INFO L93 Difference]: Finished difference Result 768 states and 864 transitions. [2019-11-07 04:30:45,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:45,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-11-07 04:30:45,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:45,924 INFO L225 Difference]: With dead ends: 768 [2019-11-07 04:30:45,925 INFO L226 Difference]: Without dead ends: 375 [2019-11-07 04:30:45,926 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 248 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-07 04:30:45,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2019-11-07 04:30:45,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2019-11-07 04:30:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-11-07 04:30:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 409 transitions. [2019-11-07 04:30:45,951 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 409 transitions. Word has length 124 [2019-11-07 04:30:45,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:45,951 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 409 transitions. [2019-11-07 04:30:45,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 409 transitions. [2019-11-07 04:30:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-07 04:30:45,954 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:45,954 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:46,161 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:46,161 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:46,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:46,162 INFO L82 PathProgramCache]: Analyzing trace with hash -810853913, now seen corresponding path program 1 times [2019-11-07 04:30:46,162 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:46,162 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133871240] [2019-11-07 04:30:46,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-07 04:30:46,442 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133871240] [2019-11-07 04:30:46,442 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054648899] [2019-11-07 04:30:46,442 INFO L94 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 [2019-11-07 04:30:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:46,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 33 conjunts are in the unsatisfiable core [2019-11-07 04:30:46,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:30:46,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:46,932 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:47,007 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:47,007 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:30:47,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:48,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:48,280 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:48,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-07 04:30:48,551 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:30:48,552 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14, 13] total 35 [2019-11-07 04:30:48,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331806924] [2019-11-07 04:30:48,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-07 04:30:48,553 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:48,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-07 04:30:48,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1032, Unknown=0, NotChecked=0, Total=1190 [2019-11-07 04:30:48,554 INFO L87 Difference]: Start difference. First operand 375 states and 409 transitions. Second operand 14 states. [2019-11-07 04:30:50,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:50,302 INFO L93 Difference]: Finished difference Result 887 states and 1013 transitions. [2019-11-07 04:30:50,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-11-07 04:30:50,303 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 127 [2019-11-07 04:30:50,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:50,309 INFO L225 Difference]: With dead ends: 887 [2019-11-07 04:30:50,309 INFO L226 Difference]: Without dead ends: 537 [2019-11-07 04:30:50,311 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 231 SyntacticMatches, 9 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 770 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=308, Invalid=2142, Unknown=0, NotChecked=0, Total=2450 [2019-11-07 04:30:50,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2019-11-07 04:30:50,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 455. [2019-11-07 04:30:50,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-11-07 04:30:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 500 transitions. [2019-11-07 04:30:50,343 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 500 transitions. Word has length 127 [2019-11-07 04:30:50,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:50,345 INFO L462 AbstractCegarLoop]: Abstraction has 455 states and 500 transitions. [2019-11-07 04:30:50,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-07 04:30:50,345 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 500 transitions. [2019-11-07 04:30:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-07 04:30:50,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:50,349 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:50,553 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:50,554 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:50,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:50,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1143164359, now seen corresponding path program 1 times [2019-11-07 04:30:50,555 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:50,555 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398432918] [2019-11-07 04:30:50,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 04:30:50,908 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398432918] [2019-11-07 04:30:50,908 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006326980] [2019-11-07 04:30:50,908 INFO L94 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 [2019-11-07 04:30:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:51,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 56 conjunts are in the unsatisfiable core [2019-11-07 04:30:51,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:30:51,283 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:51,325 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:51,492 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:30:51,805 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:51,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:51,858 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:51,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:51,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:52,080 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:52,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:52,188 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:52,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:52,236 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 04:30:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 04:30:52,390 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1229306856] [2019-11-07 04:30:52,419 INFO L159 IcfgInterpreter]: Started Sifa with 99 locations of interest [2019-11-07 04:30:52,419 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:30:52,426 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:30:52,433 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:30:52,434 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 04:31:02,180 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 04:31:03,813 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 04:31:03,956 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:31:04,138 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:31:04,269 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:31:04,524 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:31:04,777 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:31:04,990 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:31:05,000 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-11-07 04:31:05,013 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-11-07 04:31:05,230 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:31:05,373 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:31:05,560 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:05,684 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:31:05,820 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:31:05,947 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:06,179 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:31:06,311 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:06,511 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:31:06,649 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:06,872 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:07,004 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:07,155 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:07,284 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:07,416 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:07,582 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:07,704 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:07,828 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:08,032 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:08,196 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:08,364 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:08,505 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:08,687 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:31:08,817 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:31:08,963 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:31:09,096 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:31:09,252 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:31:09,442 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:31:09,668 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:31:09,885 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:31:10,022 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:31:10,249 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:31:10,393 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:31:10,517 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:31:10,537 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 552 for LOIs [2019-11-07 04:31:10,763 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-11-07 04:31:10,932 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-11-07 04:31:11,060 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:11,355 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 552 [2019-11-07 04:31:11,547 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:11,555 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-11-07 04:31:11,854 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:31:12,554 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:13,071 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:31:13,555 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:31:14,264 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:31:14,683 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:31:15,074 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:31:15,531 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:31:15,923 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-11-07 04:31:16,122 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2019-11-07 04:31:16,514 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2019-11-07 04:31:16,671 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 207 [2019-11-07 04:31:16,800 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208