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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:50:55,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:50:55,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:50:55,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:50:55,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:50:55,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:50:55,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:50:55,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:50:55,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:50:55,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:50:55,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:50:55,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:50:55,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:50:55,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:50:55,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:50:55,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:50:55,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:50:55,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:50:55,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:50:55,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:50:55,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:50:55,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:50:55,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:50:55,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:50:55,058 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:50:55,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:50:55,059 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:50:55,060 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:50:55,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:50:55,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:50:55,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:50:55,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:50:55,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:50:55,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:50:55,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:50:55,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:50:55,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:50:55,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:50:55,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:50:55,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:50:55,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:50:55,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:50:55,094 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:50:55,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:50:55,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:50:55,096 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:50:55,097 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:50:55,098 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:50:55,098 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:50:55,098 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:50:55,098 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:50:55,099 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:50:55,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:50:55,100 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:50:55,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:50:55,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:50:55,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:50:55,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:50:55,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:50:55,102 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:50:55,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:50:55,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:50:55,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:50:55,103 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:50:55,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:50:55,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:50:55,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:50:55,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:50:55,104 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:50:55,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:50:55,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:50:55,105 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:50:55,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:50:55,168 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:50:55,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:50:55,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:50:55,173 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:50:55,174 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2019-09-10 02:50:55,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d447483a/526141366bdd49fea9030f178ddac207/FLAGde80b6485 [2019-09-10 02:50:55,797 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:50:55,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2019-09-10 02:50:55,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d447483a/526141366bdd49fea9030f178ddac207/FLAGde80b6485 [2019-09-10 02:50:56,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d447483a/526141366bdd49fea9030f178ddac207 [2019-09-10 02:50:56,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:50:56,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:50:56,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:56,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:50:56,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:50:56,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:56" (1/1) ... [2019-09-10 02:50:56,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732386ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56, skipping insertion in model container [2019-09-10 02:50:56,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:56" (1/1) ... [2019-09-10 02:50:56,085 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:50:56,143 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:50:56,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:56,600 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:50:56,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:56,769 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:50:56,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56 WrapperNode [2019-09-10 02:50:56,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:56,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:50:56,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:50:56,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:50:56,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56" (1/1) ... [2019-09-10 02:50:56,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56" (1/1) ... [2019-09-10 02:50:56,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56" (1/1) ... [2019-09-10 02:50:56,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56" (1/1) ... [2019-09-10 02:50:56,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56" (1/1) ... [2019-09-10 02:50:56,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56" (1/1) ... [2019-09-10 02:50:56,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56" (1/1) ... [2019-09-10 02:50:56,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:50:56,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:50:56,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:50:56,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:50:56,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56" (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 [2019-09-10 02:50:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:50:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:50:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:50:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:50:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:50:56,930 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:50:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:50:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:56,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:50:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:50:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:50:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:50:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:50:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:50:56,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:50:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:50:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:50:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-10 02:50:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:50:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:50:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:50:56,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:50:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:50:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:50:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:50:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:50:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:50:56,934 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-10 02:50:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:50:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-10 02:50:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-10 02:50:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-10 02:50:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:50:56,935 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:50:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:50:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:50:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:50:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:50:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:50:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:50:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:50:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:50:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:50:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:50:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:50:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:50:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:50:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:50:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:50:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:50:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:50:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:50:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:50:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:50:56,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:50:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:50:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:50:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:50:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:50:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:50:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:50:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:50:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:50:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:50:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-10 02:50:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:50:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:50:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:50:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:50:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:50:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:50:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:50:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:50:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-10 02:50:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-10 02:50:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:50:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:50:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-10 02:50:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:50:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-10 02:50:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:50:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:50:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:50:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:50:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:50:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:50:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:50:57,995 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:50:57,995 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:50:57,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:57 BoogieIcfgContainer [2019-09-10 02:50:57,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:50:57,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:50:57,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:50:58,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:50:58,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:50:56" (1/3) ... [2019-09-10 02:50:58,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41441edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:58, skipping insertion in model container [2019-09-10 02:50:58,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:56" (2/3) ... [2019-09-10 02:50:58,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41441edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:58, skipping insertion in model container [2019-09-10 02:50:58,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:57" (3/3) ... [2019-09-10 02:50:58,005 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2019-09-10 02:50:58,016 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:50:58,026 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:50:58,043 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:50:58,076 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:50:58,076 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:50:58,077 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:50:58,077 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:50:58,077 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:50:58,077 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:50:58,077 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:50:58,078 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:50:58,105 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2019-09-10 02:50:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-10 02:50:58,123 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:58,124 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:50:58,128 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:58,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:58,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1468621358, now seen corresponding path program 1 times [2019-09-10 02:50:58,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:58,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:58,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:58,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:58,187 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:58,463 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:50:58,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:58,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:50:58,466 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:58,472 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:58,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:58,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:58,493 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2019-09-10 02:50:58,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:58,543 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2019-09-10 02:50:58,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:58,544 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-10 02:50:58,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:58,563 INFO L225 Difference]: With dead ends: 130 [2019-09-10 02:50:58,564 INFO L226 Difference]: Without dead ends: 119 [2019-09-10 02:50:58,566 INFO L628 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 [2019-09-10 02:50:58,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-09-10 02:50:58,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-09-10 02:50:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-10 02:50:58,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-09-10 02:50:58,619 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 59 [2019-09-10 02:50:58,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:58,619 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-09-10 02:50:58,619 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:58,619 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-09-10 02:50:58,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-10 02:50:58,623 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:58,623 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:50:58,624 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:58,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:58,624 INFO L82 PathProgramCache]: Analyzing trace with hash 732022184, now seen corresponding path program 1 times [2019-09-10 02:50:58,624 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:58,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:58,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:58,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:58,626 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:50:58,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:58,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:58,757 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:58,759 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:58,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:58,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:58,760 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2019-09-10 02:50:58,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:58,777 INFO L93 Difference]: Finished difference Result 110 states and 127 transitions. [2019-09-10 02:50:58,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:58,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-10 02:50:58,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:58,781 INFO L225 Difference]: With dead ends: 110 [2019-09-10 02:50:58,781 INFO L226 Difference]: Without dead ends: 110 [2019-09-10 02:50:58,784 INFO L628 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 [2019-09-10 02:50:58,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-09-10 02:50:58,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-09-10 02:50:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-09-10 02:50:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2019-09-10 02:50:58,801 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 60 [2019-09-10 02:50:58,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:58,801 INFO L475 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2019-09-10 02:50:58,801 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2019-09-10 02:50:58,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 02:50:58,804 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:58,804 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:50:58,805 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:58,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:58,805 INFO L82 PathProgramCache]: Analyzing trace with hash -69452161, now seen corresponding path program 1 times [2019-09-10 02:50:58,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:58,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:58,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:58,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:58,807 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:50:58,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:58,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:50:58,990 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:58,990 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:50:58,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:50:58,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:50:58,991 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 7 states. [2019-09-10 02:50:59,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:59,267 INFO L93 Difference]: Finished difference Result 110 states and 126 transitions. [2019-09-10 02:50:59,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:50:59,267 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-09-10 02:50:59,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:59,270 INFO L225 Difference]: With dead ends: 110 [2019-09-10 02:50:59,270 INFO L226 Difference]: Without dead ends: 110 [2019-09-10 02:50:59,270 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:50:59,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-09-10 02:50:59,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-09-10 02:50:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-09-10 02:50:59,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2019-09-10 02:50:59,290 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 65 [2019-09-10 02:50:59,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:59,294 INFO L475 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2019-09-10 02:50:59,294 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:50:59,294 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2019-09-10 02:50:59,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-10 02:50:59,300 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:59,300 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:50:59,300 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:59,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:59,301 INFO L82 PathProgramCache]: Analyzing trace with hash -752044170, now seen corresponding path program 1 times [2019-09-10 02:50:59,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:59,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:59,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:59,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:59,306 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:59,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:50:59,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:59,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:50:59,465 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:59,465 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:50:59,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:50:59,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:50:59,466 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 5 states. [2019-09-10 02:50:59,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:59,936 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2019-09-10 02:50:59,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:50:59,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2019-09-10 02:50:59,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:59,940 INFO L225 Difference]: With dead ends: 205 [2019-09-10 02:50:59,940 INFO L226 Difference]: Without dead ends: 205 [2019-09-10 02:50:59,941 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:50:59,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2019-09-10 02:50:59,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 186. [2019-09-10 02:50:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2019-09-10 02:50:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 215 transitions. [2019-09-10 02:50:59,960 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 215 transitions. Word has length 73 [2019-09-10 02:50:59,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:59,961 INFO L475 AbstractCegarLoop]: Abstraction has 186 states and 215 transitions. [2019-09-10 02:50:59,961 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:50:59,961 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 215 transitions. [2019-09-10 02:50:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-10 02:50:59,963 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:59,964 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:59,964 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:59,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:59,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1770960597, now seen corresponding path program 1 times [2019-09-10 02:50:59,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:59,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:59,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:59,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:59,969 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:51:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:51:00,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-10 02:51:00,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:51:00,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:51:00,133 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:51:00,134 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:51:00,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:51:00,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:51:00,136 INFO L87 Difference]: Start difference. First operand 186 states and 215 transitions. Second operand 7 states. [2019-09-10 02:51:00,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:51:00,785 INFO L93 Difference]: Finished difference Result 204 states and 240 transitions. [2019-09-10 02:51:00,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 02:51:00,786 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-09-10 02:51:00,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:51:00,788 INFO L225 Difference]: With dead ends: 204 [2019-09-10 02:51:00,788 INFO L226 Difference]: Without dead ends: 204 [2019-09-10 02:51:00,789 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-10 02:51:00,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2019-09-10 02:51:00,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 185. [2019-09-10 02:51:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2019-09-10 02:51:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 212 transitions. [2019-09-10 02:51:00,804 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 212 transitions. Word has length 87 [2019-09-10 02:51:00,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:51:00,804 INFO L475 AbstractCegarLoop]: Abstraction has 185 states and 212 transitions. [2019-09-10 02:51:00,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:51:00,804 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 212 transitions. [2019-09-10 02:51:00,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-10 02:51:00,806 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:51:00,806 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:51:00,807 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:51:00,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:51:00,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1107726217, now seen corresponding path program 1 times [2019-09-10 02:51:00,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:51:00,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:00,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:51:00,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:00,808 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:51:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:51:00,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:51:00,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:51:00,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:51:00,887 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:51:00,887 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:51:00,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:51:00,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:51:00,888 INFO L87 Difference]: Start difference. First operand 185 states and 212 transitions. Second operand 6 states. [2019-09-10 02:51:00,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:51:00,920 INFO L93 Difference]: Finished difference Result 190 states and 217 transitions. [2019-09-10 02:51:00,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:51:00,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-09-10 02:51:00,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:51:00,926 INFO L225 Difference]: With dead ends: 190 [2019-09-10 02:51:00,926 INFO L226 Difference]: Without dead ends: 190 [2019-09-10 02:51:00,927 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:51:00,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2019-09-10 02:51:00,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2019-09-10 02:51:00,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2019-09-10 02:51:00,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 217 transitions. [2019-09-10 02:51:00,955 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 217 transitions. Word has length 88 [2019-09-10 02:51:00,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:51:00,955 INFO L475 AbstractCegarLoop]: Abstraction has 190 states and 217 transitions. [2019-09-10 02:51:00,956 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:51:00,956 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 217 transitions. [2019-09-10 02:51:00,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-10 02:51:00,957 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:51:00,957 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:51:00,958 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:51:00,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:51:00,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1801037685, now seen corresponding path program 1 times [2019-09-10 02:51:00,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:51:00,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:00,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:51:00,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:00,965 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:51:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:51:01,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:51:01,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:51:01,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:51:01,096 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:51:01,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:51:01,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:51:01,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:51:01,098 INFO L87 Difference]: Start difference. First operand 190 states and 217 transitions. Second operand 8 states. [2019-09-10 02:51:01,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:51:01,133 INFO L93 Difference]: Finished difference Result 197 states and 224 transitions. [2019-09-10 02:51:01,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:51:01,135 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-09-10 02:51:01,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:51:01,137 INFO L225 Difference]: With dead ends: 197 [2019-09-10 02:51:01,137 INFO L226 Difference]: Without dead ends: 197 [2019-09-10 02:51:01,138 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:51:01,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-09-10 02:51:01,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2019-09-10 02:51:01,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-09-10 02:51:01,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 221 transitions. [2019-09-10 02:51:01,151 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 221 transitions. Word has length 88 [2019-09-10 02:51:01,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:51:01,151 INFO L475 AbstractCegarLoop]: Abstraction has 194 states and 221 transitions. [2019-09-10 02:51:01,151 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:51:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 221 transitions. [2019-09-10 02:51:01,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-10 02:51:01,153 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:51:01,153 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:51:01,154 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:51:01,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:51:01,154 INFO L82 PathProgramCache]: Analyzing trace with hash 310252684, now seen corresponding path program 1 times [2019-09-10 02:51:01,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:51:01,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:01,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:51:01,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:01,156 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:51:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:51:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:51:01,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:51:01,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 02:51:01,228 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:51:01,231 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 02:51:01,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 02:51:01,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:51:01,232 INFO L87 Difference]: Start difference. First operand 194 states and 221 transitions. Second operand 4 states. [2019-09-10 02:51:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:51:01,463 INFO L93 Difference]: Finished difference Result 396 states and 468 transitions. [2019-09-10 02:51:01,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 02:51:01,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-09-10 02:51:01,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:51:01,467 INFO L225 Difference]: With dead ends: 396 [2019-09-10 02:51:01,467 INFO L226 Difference]: Without dead ends: 396 [2019-09-10 02:51:01,468 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:51:01,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-09-10 02:51:01,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 387. [2019-09-10 02:51:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2019-09-10 02:51:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 451 transitions. [2019-09-10 02:51:01,493 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 451 transitions. Word has length 88 [2019-09-10 02:51:01,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:51:01,494 INFO L475 AbstractCegarLoop]: Abstraction has 387 states and 451 transitions. [2019-09-10 02:51:01,494 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 02:51:01,494 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 451 transitions. [2019-09-10 02:51:01,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-10 02:51:01,496 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:51:01,496 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:51:01,497 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:51:01,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:51:01,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1394429222, now seen corresponding path program 1 times [2019-09-10 02:51:01,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:51:01,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:01,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:51:01,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:01,499 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:51:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:51:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:51:01,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:51:01,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-10 02:51:01,658 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:51:01,658 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-10 02:51:01,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-10 02:51:01,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-09-10 02:51:01,659 INFO L87 Difference]: Start difference. First operand 387 states and 451 transitions. Second operand 11 states. [2019-09-10 02:51:02,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:51:02,626 INFO L93 Difference]: Finished difference Result 680 states and 799 transitions. [2019-09-10 02:51:02,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 02:51:02,627 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2019-09-10 02:51:02,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:51:02,632 INFO L225 Difference]: With dead ends: 680 [2019-09-10 02:51:02,632 INFO L226 Difference]: Without dead ends: 680 [2019-09-10 02:51:02,633 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2019-09-10 02:51:02,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2019-09-10 02:51:02,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 512. [2019-09-10 02:51:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-09-10 02:51:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 587 transitions. [2019-09-10 02:51:02,661 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 587 transitions. Word has length 92 [2019-09-10 02:51:02,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:51:02,662 INFO L475 AbstractCegarLoop]: Abstraction has 512 states and 587 transitions. [2019-09-10 02:51:02,662 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-10 02:51:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 587 transitions. [2019-09-10 02:51:02,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-09-10 02:51:02,665 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:51:02,684 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:51:02,684 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:51:02,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:51:02,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1563029790, now seen corresponding path program 1 times [2019-09-10 02:51:02,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:51:02,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:02,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:51:02,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:02,686 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:51:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:51:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-09-10 02:51:02,803 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:51:02,803 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:51:02,804 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2019-09-10 02:51:02,806 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [99], [103], [104], [105], [108], [110], [113], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [164], [167], [186], [187], [188], [189], [190], [192], [197], [199], [200], [206], [209], [213], [219], [248], [252], [257], [261], [262], [265], [266], [267], [269], [270], [271], [273], [276], [278], [281], [284], [293], [295], [296], [297], [391], [392], [402], [410], [411], [412], [413], [414], [415], [416], [417], [418], [450], [451], [452], [453], [456], [457], [458], [459], [464], [465], [468], [469], [470], [471], [472], [473], [474], [475], [476], [477], [482], [483], [484], [485], [486], [487], [488], [492], [493], [494], [502], [503], [504] [2019-09-10 02:51:02,846 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:51:02,846 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:51:02,920 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:51:02,922 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-09-10 02:51:02,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:51:02,928 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:51:03,010 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:51:03,010 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:51:03,014 INFO L420 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2019-09-10 02:51:03,015 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:51:03,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:51:03,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 11 [2019-09-10 02:51:03,016 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:51:03,016 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:51:03,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:51:03,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:51:03,017 INFO L87 Difference]: Start difference. First operand 512 states and 587 transitions. Second operand 2 states. [2019-09-10 02:51:03,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:51:03,018 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:51:03,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:51:03,018 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-09-10 02:51:03,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:51:03,021 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:51:03,021 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:51:03,022 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:51:03,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:51:03,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:51:03,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:51:03,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:51:03,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2019-09-10 02:51:03,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:51:03,023 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:51:03,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:51:03,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:51:03,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:51:03,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:51:03 BoogieIcfgContainer [2019-09-10 02:51:03,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:51:03,033 INFO L168 Benchmark]: Toolchain (without parser) took 6963.81 ms. Allocated memory was 135.8 MB in the beginning and 296.7 MB in the end (delta: 161.0 MB). Free memory was 91.4 MB in the beginning and 202.3 MB in the end (delta: -110.9 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:03,034 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 135.8 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:51:03,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.90 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 91.4 MB in the beginning and 166.5 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:03,038 INFO L168 Benchmark]: Boogie Preprocessor took 97.10 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 162.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:03,040 INFO L168 Benchmark]: RCFGBuilder took 1128.61 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 162.2 MB in the beginning and 194.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:03,047 INFO L168 Benchmark]: TraceAbstraction took 5031.94 ms. Allocated memory was 232.3 MB in the beginning and 296.7 MB in the end (delta: 64.5 MB). Free memory was 194.7 MB in the beginning and 202.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:03,053 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 135.8 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.90 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 91.4 MB in the beginning and 166.5 MB in the end (delta: -75.2 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.10 ms. Allocated memory is still 201.9 MB. Free memory was 166.5 MB in the beginning and 162.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1128.61 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 162.2 MB in the beginning and 194.7 MB in the end (delta: -32.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5031.94 ms. Allocated memory was 232.3 MB in the beginning and 296.7 MB in the end (delta: 64.5 MB). Free memory was 194.7 MB in the beginning and 202.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 56.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. SAFE Result, 4.9s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 2.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1292 SDtfs, 956 SDslu, 2620 SDs, 0 SdLazy, 1479 SolverSat, 361 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 181 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=512occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.8888888888888888 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 218 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 826 ConstructedInterpolants, 0 QuantifiedInterpolants, 129216 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 61/66 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...