/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 17:38:14,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 17:38:14,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 17:38:14,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 17:38:14,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 17:38:14,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 17:38:14,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 17:38:14,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 17:38:14,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 17:38:14,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 17:38:14,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 17:38:14,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 17:38:14,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 17:38:14,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 17:38:14,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 17:38:14,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 17:38:14,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 17:38:14,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 17:38:14,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 17:38:14,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 17:38:14,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 17:38:14,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 17:38:14,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 17:38:14,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 17:38:14,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 17:38:14,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 17:38:14,119 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 17:38:14,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 17:38:14,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 17:38:14,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 17:38:14,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 17:38:14,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 17:38:14,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 17:38:14,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 17:38:14,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 17:38:14,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 17:38:14,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 17:38:14,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 17:38:14,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 17:38:14,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 17:38:14,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 17:38:14,132 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 [2020-10-23 17:38:14,170 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 17:38:14,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 17:38:14,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 17:38:14,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 17:38:14,176 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 17:38:14,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 17:38:14,177 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 17:38:14,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 17:38:14,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 17:38:14,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 17:38:14,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 17:38:14,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 17:38:14,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 17:38:14,179 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 17:38:14,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 17:38:14,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 17:38:14,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 17:38:14,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 17:38:14,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 17:38:14,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 17:38:14,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 17:38:14,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 17:38:14,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 17:38:14,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 17:38:14,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 17:38:14,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 17:38:14,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 17:38:14,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 17:38:14,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 17:38:14,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 17:38:14,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 17:38:14,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 17:38:14,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 17:38:14,671 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 17:38:14,675 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 17:38:14,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-10-23 17:38:14,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1100be3a9/7944541f56bb4a3ba9b2d87ba3ad083a/FLAG41d5ca532 [2020-10-23 17:38:15,560 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 17:38:15,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-10-23 17:38:15,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1100be3a9/7944541f56bb4a3ba9b2d87ba3ad083a/FLAG41d5ca532 [2020-10-23 17:38:15,819 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1100be3a9/7944541f56bb4a3ba9b2d87ba3ad083a [2020-10-23 17:38:15,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 17:38:15,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 17:38:15,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 17:38:15,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 17:38:15,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 17:38:15,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:38:15" (1/1) ... [2020-10-23 17:38:15,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db551b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:15, skipping insertion in model container [2020-10-23 17:38:15,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:38:15" (1/1) ... [2020-10-23 17:38:15,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 17:38:15,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 17:38:16,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:38:16,222 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 17:38:16,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:38:16,392 INFO L208 MainTranslator]: Completed translation [2020-10-23 17:38:16,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16 WrapperNode [2020-10-23 17:38:16,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 17:38:16,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 17:38:16,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 17:38:16,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 17:38:16,412 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16" (1/1) ... [2020-10-23 17:38:16,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16" (1/1) ... [2020-10-23 17:38:16,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16" (1/1) ... [2020-10-23 17:38:16,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16" (1/1) ... [2020-10-23 17:38:16,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16" (1/1) ... [2020-10-23 17:38:16,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16" (1/1) ... [2020-10-23 17:38:16,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16" (1/1) ... [2020-10-23 17:38:16,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 17:38:16,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 17:38:16,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 17:38:16,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 17:38:16,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16" (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 [2020-10-23 17:38:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 17:38:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 17:38:16,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 17:38:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 17:38:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 17:38:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 17:38:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 17:38:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 17:38:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 17:38:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 17:38:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 17:38:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 17:38:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 17:38:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 17:38:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 17:38:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 17:38:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 17:38:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 17:38:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 17:38:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 17:38:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 17:38:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 17:38:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 17:38:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 17:38:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 17:38:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 17:38:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 17:38:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 17:38:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 17:38:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 17:38:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 17:38:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 17:38:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 17:38:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 17:38:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 17:38:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 17:38:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 17:38:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 17:38:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 17:38:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 17:38:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 17:38:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 17:38:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 17:38:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 17:38:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 17:38:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 17:38:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 17:38:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 17:38:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 17:38:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 17:38:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 17:38:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 17:38:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 17:38:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 17:38:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 17:38:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 17:38:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 17:38:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 17:38:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 17:38:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 17:38:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 17:38:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 17:38:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 17:38:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 17:38:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 17:38:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 17:38:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 17:38:16,640 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 17:38:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 17:38:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 17:38:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 17:38:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 17:38:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 17:38:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 17:38:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 17:38:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 17:38:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 17:38:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 17:38:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 17:38:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 17:38:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 17:38:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 17:38:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 17:38:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 17:38:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 17:38:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 17:38:18,072 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 17:38:18,072 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 17:38:18,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:38:18 BoogieIcfgContainer [2020-10-23 17:38:18,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 17:38:18,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 17:38:18,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 17:38:18,080 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 17:38:18,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 05:38:15" (1/3) ... [2020-10-23 17:38:18,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6c1fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:38:18, skipping insertion in model container [2020-10-23 17:38:18,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:38:16" (2/3) ... [2020-10-23 17:38:18,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6c1fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:38:18, skipping insertion in model container [2020-10-23 17:38:18,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:38:18" (3/3) ... [2020-10-23 17:38:18,084 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2020-10-23 17:38:18,096 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 17:38:18,102 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 17:38:18,116 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 17:38:18,145 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 17:38:18,145 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 17:38:18,145 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 17:38:18,145 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 17:38:18,145 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 17:38:18,146 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 17:38:18,146 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 17:38:18,146 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 17:38:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2020-10-23 17:38:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-23 17:38:18,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:38:18,180 INFO L422 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] [2020-10-23 17:38:18,180 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:38:18,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:38:18,187 INFO L82 PathProgramCache]: Analyzing trace with hash -834771578, now seen corresponding path program 1 times [2020-10-23 17:38:18,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:38:18,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369657531] [2020-10-23 17:38:18,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:38:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:18,961 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:38:18,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:38:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:19,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:38:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:19,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:38:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:19,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:38:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:19,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:38:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:19,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:38:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:19,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 17:38:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:19,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 17:38:19,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:38:19,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369657531] [2020-10-23 17:38:19,075 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:38:19,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 17:38:19,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453231912] [2020-10-23 17:38:19,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 17:38:19,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:38:19,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 17:38:19,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 17:38:19,098 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 3 states. [2020-10-23 17:38:20,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:38:20,224 INFO L93 Difference]: Finished difference Result 254 states and 337 transitions. [2020-10-23 17:38:20,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 17:38:20,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-23 17:38:20,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:38:20,240 INFO L225 Difference]: With dead ends: 254 [2020-10-23 17:38:20,240 INFO L226 Difference]: Without dead ends: 136 [2020-10-23 17:38:20,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 17:38:20,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-23 17:38:20,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 106. [2020-10-23 17:38:20,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-23 17:38:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2020-10-23 17:38:20,335 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 53 [2020-10-23 17:38:20,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:38:20,336 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2020-10-23 17:38:20,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 17:38:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2020-10-23 17:38:20,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-23 17:38:20,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:38:20,339 INFO L422 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] [2020-10-23 17:38:20,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 17:38:20,340 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:38:20,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:38:20,341 INFO L82 PathProgramCache]: Analyzing trace with hash -1713527991, now seen corresponding path program 1 times [2020-10-23 17:38:20,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:38:20,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709936398] [2020-10-23 17:38:20,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:38:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:20,993 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:38:20,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:38:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:21,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:38:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:21,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:38:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:21,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:38:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:21,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:38:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:21,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-23 17:38:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:21,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-23 17:38:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:21,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-23 17:38:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:21,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:38:21,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709936398] [2020-10-23 17:38:21,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:38:21,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 17:38:21,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978385946] [2020-10-23 17:38:21,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 17:38:21,065 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:38:21,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 17:38:21,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 17:38:21,066 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 4 states. [2020-10-23 17:38:21,656 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:38:22,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:38:22,458 INFO L93 Difference]: Finished difference Result 184 states and 224 transitions. [2020-10-23 17:38:22,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 17:38:22,459 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-23 17:38:22,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:38:22,462 INFO L225 Difference]: With dead ends: 184 [2020-10-23 17:38:22,462 INFO L226 Difference]: Without dead ends: 120 [2020-10-23 17:38:22,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 17:38:22,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-23 17:38:22,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 97. [2020-10-23 17:38:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-23 17:38:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2020-10-23 17:38:22,507 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 54 [2020-10-23 17:38:22,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:38:22,507 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2020-10-23 17:38:22,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 17:38:22,507 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2020-10-23 17:38:22,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-23 17:38:22,509 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:38:22,510 INFO L422 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] [2020-10-23 17:38:22,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 17:38:22,510 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:38:22,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:38:22,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1709789807, now seen corresponding path program 1 times [2020-10-23 17:38:22,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:38:22,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133622746] [2020-10-23 17:38:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:38:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:23,017 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:38:23,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:38:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:23,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:38:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:23,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:38:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:23,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:38:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:38:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:23,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:38:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 17:38:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:23,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-23 17:38:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:23,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:38:23,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133622746] [2020-10-23 17:38:23,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:38:23,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 17:38:23,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195919652] [2020-10-23 17:38:23,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 17:38:23,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:38:23,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 17:38:23,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-23 17:38:23,126 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand 8 states. [2020-10-23 17:38:23,671 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 17:38:24,155 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:38:24,548 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:38:24,969 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:38:26,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:38:26,146 INFO L93 Difference]: Finished difference Result 193 states and 238 transitions. [2020-10-23 17:38:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 17:38:26,147 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-23 17:38:26,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:38:26,152 INFO L225 Difference]: With dead ends: 193 [2020-10-23 17:38:26,152 INFO L226 Difference]: Without dead ends: 120 [2020-10-23 17:38:26,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 17:38:26,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-23 17:38:26,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 97. [2020-10-23 17:38:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-23 17:38:26,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 111 transitions. [2020-10-23 17:38:26,194 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 111 transitions. Word has length 58 [2020-10-23 17:38:26,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:38:26,195 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 111 transitions. [2020-10-23 17:38:26,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 17:38:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions. [2020-10-23 17:38:26,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-23 17:38:26,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:38:26,197 INFO L422 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] [2020-10-23 17:38:26,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 17:38:26,198 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:38:26,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:38:26,198 INFO L82 PathProgramCache]: Analyzing trace with hash 784251944, now seen corresponding path program 1 times [2020-10-23 17:38:26,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:38:26,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768324860] [2020-10-23 17:38:26,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:38:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,638 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:38:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:38:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:38:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:38:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:38:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:38:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-23 17:38:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:38:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-23 17:38:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-23 17:38:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-23 17:38:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:26,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:38:26,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768324860] [2020-10-23 17:38:26,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:38:26,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 17:38:26,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198167644] [2020-10-23 17:38:26,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 17:38:26,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:38:26,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 17:38:26,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-23 17:38:26,760 INFO L87 Difference]: Start difference. First operand 97 states and 111 transitions. Second operand 8 states. [2020-10-23 17:38:27,309 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 17:38:29,030 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:38:29,487 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:38:29,967 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 17:38:30,471 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 17:38:30,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:38:30,926 INFO L93 Difference]: Finished difference Result 286 states and 377 transitions. [2020-10-23 17:38:30,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 17:38:30,930 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-10-23 17:38:30,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:38:30,938 INFO L225 Difference]: With dead ends: 286 [2020-10-23 17:38:30,939 INFO L226 Difference]: Without dead ends: 213 [2020-10-23 17:38:30,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-23 17:38:30,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-23 17:38:31,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 167. [2020-10-23 17:38:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-23 17:38:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 198 transitions. [2020-10-23 17:38:31,007 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 198 transitions. Word has length 66 [2020-10-23 17:38:31,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:38:31,008 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 198 transitions. [2020-10-23 17:38:31,008 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 17:38:31,008 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 198 transitions. [2020-10-23 17:38:31,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-23 17:38:31,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:38:31,011 INFO L422 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] [2020-10-23 17:38:31,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 17:38:31,011 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:38:31,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:38:31,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1935459204, now seen corresponding path program 1 times [2020-10-23 17:38:31,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:38:31,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608873690] [2020-10-23 17:38:31,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:38:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,412 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 17:38:31,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:38:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:38:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:38:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:38:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:38:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-23 17:38:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 17:38:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 17:38:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:38:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-23 17:38:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-23 17:38:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-23 17:38:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:38:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:38:31,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608873690] [2020-10-23 17:38:31,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:38:31,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 17:38:31,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320261831] [2020-10-23 17:38:31,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 17:38:31,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:38:31,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 17:38:31,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-23 17:38:31,514 INFO L87 Difference]: Start difference. First operand 167 states and 198 transitions. Second operand 6 states. [2020-10-23 17:38:31,993 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 17:38:32,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:38:32,735 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2020-10-23 17:38:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 17:38:32,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2020-10-23 17:38:32,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:38:32,738 INFO L225 Difference]: With dead ends: 281 [2020-10-23 17:38:32,739 INFO L226 Difference]: Without dead ends: 138 [2020-10-23 17:38:32,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:38:32,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-23 17:38:32,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 126. [2020-10-23 17:38:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-10-23 17:38:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 141 transitions. [2020-10-23 17:38:32,786 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 141 transitions. Word has length 74 [2020-10-23 17:38:32,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:38:32,786 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 141 transitions. [2020-10-23 17:38:32,786 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 17:38:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 141 transitions. [2020-10-23 17:38:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-23 17:38:32,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:38:32,788 INFO L422 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] [2020-10-23 17:38:32,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 17:38:32,788 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:38:32,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:38:32,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1964647198, now seen corresponding path program 1 times [2020-10-23 17:38:32,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:38:32,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674244985] [2020-10-23 17:38:32,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:38:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 17:38:32,872 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 17:38:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 17:38:32,953 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 17:38:33,069 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-23 17:38:33,069 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 17:38:33,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 17:38:33,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 05:38:33 BoogieIcfgContainer [2020-10-23 17:38:33,294 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 17:38:33,299 INFO L168 Benchmark]: Toolchain (without parser) took 17471.36 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 126.1 MB in the beginning and 279.3 MB in the end (delta: -153.3 MB). Peak memory consumption was 188.6 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:33,299 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.5 MB in the end (delta: 71.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 17:38:33,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 562.43 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 105.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:33,302 INFO L168 Benchmark]: Boogie Preprocessor took 119.29 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 133.0 MB in the end (delta: -28.0 MB). Peak memory consumption was 8.8 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:33,304 INFO L168 Benchmark]: RCFGBuilder took 1560.14 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 92.0 MB in the end (delta: 41.1 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:33,305 INFO L168 Benchmark]: TraceAbstraction took 15217.83 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 91.4 MB in the beginning and 279.9 MB in the end (delta: -188.4 MB). Peak memory consumption was 152.9 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:33,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory was 101.5 MB in the beginning and 101.5 MB in the end (delta: 71.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 562.43 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 105.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 119.29 ms. Allocated memory is still 151.0 MB. Free memory was 105.0 MB in the beginning and 133.0 MB in the end (delta: -28.0 MB). Peak memory consumption was 8.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1560.14 ms. Allocated memory is still 151.0 MB. Free memory was 133.0 MB in the beginning and 92.0 MB in the end (delta: 41.1 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15217.83 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 91.4 MB in the beginning and 279.9 MB in the end (delta: -188.4 MB). Peak memory consumption was 152.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L97] int pumpRunning = 0; [L98] int systemActive = 1; [L299] int cleanupTimeShifts = 4; [L564] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L762] int waterLevel = 1; [L763] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=172, \old(methaneLevelCritical)=151, \old(pumpRunning)=144, \old(systemActive)=143, \old(waterLevel)=147, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L372] int retValue_acc ; [L373] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L378] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L379] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L379] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L379] tmp = valid_product() [L381] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L383] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L384] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L366] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L235] int splverifierCounter ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L242] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L244] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L246] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L252] tmp = __VERIFIER_nondet_int() [L254] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L256] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L780] COND TRUE waterLevel < 2 [L781] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L262] tmp___0 = __VERIFIER_nondet_int() [L264] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L272] tmp___2 = __VERIFIER_nondet_int() [L274] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___2=-2, waterLevel=2] [L287] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L105] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L134] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L137] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L152] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L120] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L843] int tmp ; [L844] int tmp___0 ; [L845] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L801] int retValue_acc ; [L804] retValue_acc = methaneLevelCritical [L805] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L849] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] tmp = isMethaneLevelCritical() [L851] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L855] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L833] int retValue_acc ; [L836] retValue_acc = waterLevel [L837] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L855] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L855] tmp___0 = getWaterLevel() [L857] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L859] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L186] int retValue_acc ; [L189] retValue_acc = pumpRunning [L190] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L859] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L859] tmp___1 = isPumpRunning() [L861] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L865] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L84] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product05.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 219 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 439 SDtfs, 636 SDslu, 245 SDs, 0 SdLazy, 1290 SolverSat, 393 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 134 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 375 NumberOfCodeBlocks, 375 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 91269 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...