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_spec3_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:08:38,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:08:38,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:08:39,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:08:39,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:08:39,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:08:39,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:08:39,015 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:08:39,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:08:39,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:08:39,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:08:39,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:08:39,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:08:39,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:08:39,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:08:39,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:08:39,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:08:39,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:08:39,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:08:39,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:08:39,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:08:39,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:08:39,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:08:39,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:08:39,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:08:39,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:08:39,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:08:39,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:08:39,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:08:39,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:08:39,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:08:39,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:08:39,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:08:39,040 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:08:39,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:08:39,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:08:39,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:08:39,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:08:39,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:08:39,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:08:39,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:08:39,045 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 [2019-09-16 17:08:39,060 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:08:39,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:08:39,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:08:39,061 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:08:39,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:08:39,063 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:08:39,063 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:08:39,064 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:08:39,064 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:08:39,064 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:08:39,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:08:39,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:08:39,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:08:39,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:08:39,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:08:39,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:08:39,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:08:39,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:08:39,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:08:39,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:08:39,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:08:39,068 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:08:39,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:08:39,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:08:39,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:08:39,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:08:39,069 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:08:39,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:08:39,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:08:39,071 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:08:39,113 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:08:39,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:08:39,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:08:39,133 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:08:39,134 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:08:39,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2019-09-16 17:08:39,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df2b56a23/7a73a309c96a41e8909c2fcf1d041226/FLAG741320f59 [2019-09-16 17:08:39,700 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:08:39,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2019-09-16 17:08:39,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df2b56a23/7a73a309c96a41e8909c2fcf1d041226/FLAG741320f59 [2019-09-16 17:08:40,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df2b56a23/7a73a309c96a41e8909c2fcf1d041226 [2019-09-16 17:08:40,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:08:40,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:08:40,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:08:40,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:08:40,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:08:40,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:08:40" (1/1) ... [2019-09-16 17:08:40,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aceb178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40, skipping insertion in model container [2019-09-16 17:08:40,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:08:40" (1/1) ... [2019-09-16 17:08:40,035 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:08:40,078 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:08:40,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:08:40,518 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:08:40,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:08:40,706 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:08:40,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40 WrapperNode [2019-09-16 17:08:40,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:08:40,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:08:40,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:08:40,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:08:40,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40" (1/1) ... [2019-09-16 17:08:40,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40" (1/1) ... [2019-09-16 17:08:40,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40" (1/1) ... [2019-09-16 17:08:40,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40" (1/1) ... [2019-09-16 17:08:40,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40" (1/1) ... [2019-09-16 17:08:40,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40" (1/1) ... [2019-09-16 17:08:40,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40" (1/1) ... [2019-09-16 17:08:40,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:08:40,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:08:40,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:08:40,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:08:40,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40" (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 [2019-09-16 17:08:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:08:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:08:40,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:08:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:08:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:08:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:08:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:08:40,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:08:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 17:08:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 17:08:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 17:08:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 17:08:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 17:08:40,905 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 17:08:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 17:08:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 17:08:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 17:08:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 17:08:40,906 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 17:08:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:08:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:08:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:08:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:08:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:08:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:08:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:08:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 17:08:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 17:08:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:08:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 17:08:40,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:08:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 17:08:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 17:08:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 17:08:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 17:08:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 17:08:40,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 17:08:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 17:08:40,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-16 17:08:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:08:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:08:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:08:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:08:40,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:08:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:08:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:08:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 17:08:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 17:08:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 17:08:40,911 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 17:08:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 17:08:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:08:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 17:08:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 17:08:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 17:08:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 17:08:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 17:08:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 17:08:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 17:08:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 17:08:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-16 17:08:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 17:08:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 17:08:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 17:08:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 17:08:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 17:08:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:08:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:08:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:08:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:08:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:08:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:08:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:08:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:08:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:08:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:08:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:08:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:08:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:08:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:08:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:08:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:08:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:08:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:08:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 17:08:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:08:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 17:08:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:08:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 17:08:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:08:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:08:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:08:42,129 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:08:42,130 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:08:42,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:08:42 BoogieIcfgContainer [2019-09-16 17:08:42,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:08:42,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:08:42,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:08:42,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:08:42,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:08:40" (1/3) ... [2019-09-16 17:08:42,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b7d7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:08:42, skipping insertion in model container [2019-09-16 17:08:42,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:40" (2/3) ... [2019-09-16 17:08:42,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b7d7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:08:42, skipping insertion in model container [2019-09-16 17:08:42,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:08:42" (3/3) ... [2019-09-16 17:08:42,142 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2019-09-16 17:08:42,151 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:08:42,159 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:08:42,175 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:08:42,201 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:08:42,201 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:08:42,201 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:08:42,202 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:08:42,202 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:08:42,202 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:08:42,202 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:08:42,202 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:08:42,222 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2019-09-16 17:08:42,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 17:08:42,236 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:42,237 INFO L407 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] [2019-09-16 17:08:42,239 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:42,245 INFO L82 PathProgramCache]: Analyzing trace with hash 639525092, now seen corresponding path program 1 times [2019-09-16 17:08:42,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:42,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:42,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:42,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:42,302 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:42,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:42,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:08:42,613 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:42,620 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:08:42,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:08:42,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:42,639 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2019-09-16 17:08:42,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:42,688 INFO L93 Difference]: Finished difference Result 144 states and 168 transitions. [2019-09-16 17:08:42,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:08:42,692 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-16 17:08:42,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:42,704 INFO L225 Difference]: With dead ends: 144 [2019-09-16 17:08:42,704 INFO L226 Difference]: Without dead ends: 133 [2019-09-16 17:08:42,707 INFO L636 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 [2019-09-16 17:08:42,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-09-16 17:08:42,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-09-16 17:08:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-09-16 17:08:42,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2019-09-16 17:08:42,752 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 52 [2019-09-16 17:08:42,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:42,752 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2019-09-16 17:08:42,752 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:08:42,752 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2019-09-16 17:08:42,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-16 17:08:42,756 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:42,756 INFO L407 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] [2019-09-16 17:08:42,756 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:42,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:42,757 INFO L82 PathProgramCache]: Analyzing trace with hash -510809670, now seen corresponding path program 1 times [2019-09-16 17:08:42,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:42,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:42,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:42,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:42,760 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:42,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:42,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:42,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:08:42,869 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:42,871 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:08:42,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:08:42,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:08:42,872 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2019-09-16 17:08:42,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:42,889 INFO L93 Difference]: Finished difference Result 124 states and 144 transitions. [2019-09-16 17:08:42,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:08:42,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-16 17:08:42,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:42,892 INFO L225 Difference]: With dead ends: 124 [2019-09-16 17:08:42,892 INFO L226 Difference]: Without dead ends: 124 [2019-09-16 17:08:42,893 INFO L636 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 [2019-09-16 17:08:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-09-16 17:08:42,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-09-16 17:08:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-09-16 17:08:42,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2019-09-16 17:08:42,905 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2019-09-16 17:08:42,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:42,905 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2019-09-16 17:08:42,905 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:08:42,906 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2019-09-16 17:08:42,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-16 17:08:42,908 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:42,908 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:42,908 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:42,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:42,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1651946043, now seen corresponding path program 1 times [2019-09-16 17:08:42,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:42,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:42,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:42,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:42,912 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:43,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:43,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:08:43,124 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:43,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:08:43,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:08:43,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:08:43,125 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2019-09-16 17:08:43,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:43,433 INFO L93 Difference]: Finished difference Result 124 states and 143 transitions. [2019-09-16 17:08:43,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:08:43,434 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-09-16 17:08:43,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:43,436 INFO L225 Difference]: With dead ends: 124 [2019-09-16 17:08:43,437 INFO L226 Difference]: Without dead ends: 124 [2019-09-16 17:08:43,437 INFO L636 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 [2019-09-16 17:08:43,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-09-16 17:08:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-09-16 17:08:43,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-09-16 17:08:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2019-09-16 17:08:43,448 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 58 [2019-09-16 17:08:43,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:43,448 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2019-09-16 17:08:43,449 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:08:43,449 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2019-09-16 17:08:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-09-16 17:08:43,452 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:43,452 INFO L407 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] [2019-09-16 17:08:43,452 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:43,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:43,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1339614682, now seen corresponding path program 1 times [2019-09-16 17:08:43,453 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:43,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:43,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:43,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:43,457 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:43,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:43,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:08:43,620 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:43,621 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:08:43,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:08:43,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:08:43,621 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2019-09-16 17:08:44,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:44,184 INFO L93 Difference]: Finished difference Result 235 states and 272 transitions. [2019-09-16 17:08:44,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:08:44,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-09-16 17:08:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:44,193 INFO L225 Difference]: With dead ends: 235 [2019-09-16 17:08:44,193 INFO L226 Difference]: Without dead ends: 235 [2019-09-16 17:08:44,193 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-16 17:08:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-09-16 17:08:44,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 216. [2019-09-16 17:08:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-09-16 17:08:44,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2019-09-16 17:08:44,230 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 71 [2019-09-16 17:08:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:44,231 INFO L475 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2019-09-16 17:08:44,231 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:08:44,231 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2019-09-16 17:08:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-09-16 17:08:44,236 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:44,236 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:44,237 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:44,237 INFO L82 PathProgramCache]: Analyzing trace with hash 345762925, now seen corresponding path program 1 times [2019-09-16 17:08:44,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:44,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:44,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:44,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:44,243 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:44,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:44,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:08:44,366 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:44,368 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:08:44,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:08:44,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:08:44,369 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 6 states. [2019-09-16 17:08:44,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:44,548 INFO L93 Difference]: Finished difference Result 336 states and 388 transitions. [2019-09-16 17:08:44,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 17:08:44,548 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2019-09-16 17:08:44,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:44,552 INFO L225 Difference]: With dead ends: 336 [2019-09-16 17:08:44,552 INFO L226 Difference]: Without dead ends: 336 [2019-09-16 17:08:44,553 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:08:44,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-09-16 17:08:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2019-09-16 17:08:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2019-09-16 17:08:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 384 transitions. [2019-09-16 17:08:44,576 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 384 transitions. Word has length 85 [2019-09-16 17:08:44,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:44,576 INFO L475 AbstractCegarLoop]: Abstraction has 332 states and 384 transitions. [2019-09-16 17:08:44,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:08:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 384 transitions. [2019-09-16 17:08:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-16 17:08:44,580 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:44,580 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:44,581 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:44,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:44,581 INFO L82 PathProgramCache]: Analyzing trace with hash 535971955, now seen corresponding path program 1 times [2019-09-16 17:08:44,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:44,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:44,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:44,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:44,585 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:44,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:44,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:08:44,757 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:44,757 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:08:44,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:08:44,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:08:44,758 INFO L87 Difference]: Start difference. First operand 332 states and 384 transitions. Second operand 6 states. [2019-09-16 17:08:44,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:44,993 INFO L93 Difference]: Finished difference Result 519 states and 616 transitions. [2019-09-16 17:08:44,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:08:44,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-09-16 17:08:44,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:45,000 INFO L225 Difference]: With dead ends: 519 [2019-09-16 17:08:45,000 INFO L226 Difference]: Without dead ends: 519 [2019-09-16 17:08:45,000 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:08:45,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2019-09-16 17:08:45,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 501. [2019-09-16 17:08:45,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2019-09-16 17:08:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 593 transitions. [2019-09-16 17:08:45,045 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 593 transitions. Word has length 89 [2019-09-16 17:08:45,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:45,046 INFO L475 AbstractCegarLoop]: Abstraction has 501 states and 593 transitions. [2019-09-16 17:08:45,046 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:08:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 593 transitions. [2019-09-16 17:08:45,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-16 17:08:45,049 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:45,049 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:45,049 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:45,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:45,050 INFO L82 PathProgramCache]: Analyzing trace with hash -386711628, now seen corresponding path program 1 times [2019-09-16 17:08:45,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:45,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:45,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:45,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:45,053 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:45,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:45,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:45,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 17:08:45,115 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:45,116 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 17:08:45,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 17:08:45,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:08:45,116 INFO L87 Difference]: Start difference. First operand 501 states and 593 transitions. Second operand 5 states. [2019-09-16 17:08:45,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:45,139 INFO L93 Difference]: Finished difference Result 511 states and 603 transitions. [2019-09-16 17:08:45,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 17:08:45,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-09-16 17:08:45,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:45,143 INFO L225 Difference]: With dead ends: 511 [2019-09-16 17:08:45,143 INFO L226 Difference]: Without dead ends: 511 [2019-09-16 17:08:45,144 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 17:08:45,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-09-16 17:08:45,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2019-09-16 17:08:45,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2019-09-16 17:08:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 596 transitions. [2019-09-16 17:08:45,165 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 596 transitions. Word has length 89 [2019-09-16 17:08:45,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:45,166 INFO L475 AbstractCegarLoop]: Abstraction has 505 states and 596 transitions. [2019-09-16 17:08:45,166 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 17:08:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 596 transitions. [2019-09-16 17:08:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-16 17:08:45,170 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:45,171 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:45,171 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:45,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:45,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1230717130, now seen corresponding path program 1 times [2019-09-16 17:08:45,172 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:45,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:45,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:45,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:45,176 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:45,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:45,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:45,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 17:08:45,287 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:45,288 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 17:08:45,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 17:08:45,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:08:45,291 INFO L87 Difference]: Start difference. First operand 505 states and 596 transitions. Second operand 9 states. [2019-09-16 17:08:45,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:45,348 INFO L93 Difference]: Finished difference Result 511 states and 603 transitions. [2019-09-16 17:08:45,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 17:08:45,350 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2019-09-16 17:08:45,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:45,362 INFO L225 Difference]: With dead ends: 511 [2019-09-16 17:08:45,362 INFO L226 Difference]: Without dead ends: 511 [2019-09-16 17:08:45,363 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:08:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-09-16 17:08:45,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2019-09-16 17:08:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2019-09-16 17:08:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 594 transitions. [2019-09-16 17:08:45,386 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 594 transitions. Word has length 89 [2019-09-16 17:08:45,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:45,386 INFO L475 AbstractCegarLoop]: Abstraction has 505 states and 594 transitions. [2019-09-16 17:08:45,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 17:08:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 594 transitions. [2019-09-16 17:08:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-09-16 17:08:45,389 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:45,389 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:45,390 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:45,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:45,390 INFO L82 PathProgramCache]: Analyzing trace with hash -420721396, now seen corresponding path program 1 times [2019-09-16 17:08:45,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:45,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:45,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:45,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:45,393 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:45,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:45,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 17:08:45,535 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:45,536 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 17:08:45,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 17:08:45,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:08:45,536 INFO L87 Difference]: Start difference. First operand 505 states and 594 transitions. Second operand 10 states. [2019-09-16 17:08:45,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:45,752 INFO L93 Difference]: Finished difference Result 511 states and 588 transitions. [2019-09-16 17:08:45,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-16 17:08:45,752 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2019-09-16 17:08:45,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:45,755 INFO L225 Difference]: With dead ends: 511 [2019-09-16 17:08:45,755 INFO L226 Difference]: Without dead ends: 511 [2019-09-16 17:08:45,756 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-16 17:08:45,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-09-16 17:08:45,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 490. [2019-09-16 17:08:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2019-09-16 17:08:45,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 559 transitions. [2019-09-16 17:08:45,776 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 559 transitions. Word has length 90 [2019-09-16 17:08:45,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:45,777 INFO L475 AbstractCegarLoop]: Abstraction has 490 states and 559 transitions. [2019-09-16 17:08:45,778 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 17:08:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 559 transitions. [2019-09-16 17:08:45,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-09-16 17:08:45,782 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:45,782 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:45,783 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:45,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:45,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1269785708, now seen corresponding path program 1 times [2019-09-16 17:08:45,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:45,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:45,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:45,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:45,786 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-09-16 17:08:45,873 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 17:08:45,873 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-16 17:08:45,874 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2019-09-16 17:08:45,877 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [99], [102], [104], [105], [108], [110], [113], [120], [123], [125], [134], [138], [142], [148], [150], [156], [158], [164], [167], [186], [187], [188], [190], [193], [197], [198], [199], [200], [203], [206], [210], [216], [243], [244], [247], [251], [254], [257], [259], [262], [272], [280], [283], [284], [285], [308], [310], [311], [312], [313], [378], [379], [389], [391], [394], [396], [398], [401], [403], [408], [414], [415], [423], [424], [425], [426], [427], [428], [429], [430], [431], [463], [464], [465], [466], [469], [470], [477], [478], [481], [482], [483], [484], [485], [486], [487], [488], [493], [494], [495], [496], [503], [505], [506], [511], [512], [513], [514], [515], [516], [517], [519], [520], [521] [2019-09-16 17:08:45,922 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-16 17:08:45,923 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:08:46,016 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:08:46,018 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-09-16 17:08:46,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:46,023 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-16 17:08:46,072 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-16 17:08:46,072 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-16 17:08:46,076 INFO L420 sIntCurrentIteration]: We unified 133 AI predicates to 133 [2019-09-16 17:08:46,077 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-16 17:08:46,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 17:08:46,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-16 17:08:46,078 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:46,079 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:08:46,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:08:46,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:46,079 INFO L87 Difference]: Start difference. First operand 490 states and 559 transitions. Second operand 2 states. [2019-09-16 17:08:46,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:46,080 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-16 17:08:46,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:08:46,080 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-09-16 17:08:46,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:46,081 INFO L225 Difference]: With dead ends: 2 [2019-09-16 17:08:46,081 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:08:46,081 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:46,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:08:46,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:08:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:08:46,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:08:46,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2019-09-16 17:08:46,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:46,082 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:08:46,082 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:08:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:08:46,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:08:46,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:08:46 BoogieIcfgContainer [2019-09-16 17:08:46,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:08:46,092 INFO L168 Benchmark]: Toolchain (without parser) took 6075.77 ms. Allocated memory was 134.2 MB in the beginning and 316.7 MB in the end (delta: 182.5 MB). Free memory was 88.6 MB in the beginning and 197.8 MB in the end (delta: -109.2 MB). Peak memory consumption was 73.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:46,093 INFO L168 Benchmark]: CDTParser took 1.65 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:08:46,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.48 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 88.4 MB in the beginning and 164.4 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:46,095 INFO L168 Benchmark]: Boogie Preprocessor took 103.44 ms. Allocated memory is still 200.3 MB. Free memory was 164.4 MB in the beginning and 160.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:46,096 INFO L168 Benchmark]: RCFGBuilder took 1320.68 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 160.2 MB in the beginning and 193.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:46,097 INFO L168 Benchmark]: TraceAbstraction took 3956.51 ms. Allocated memory was 227.0 MB in the beginning and 316.7 MB in the end (delta: 89.7 MB). Free memory was 192.1 MB in the beginning and 197.8 MB in the end (delta: -5.7 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:46,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.65 ms. Allocated memory is still 134.2 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.48 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 88.4 MB in the beginning and 164.4 MB in the end (delta: -76.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.44 ms. Allocated memory is still 200.3 MB. Free memory was 164.4 MB in the beginning and 160.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1320.68 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 160.2 MB in the beginning and 193.4 MB in the end (delta: -33.3 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3956.51 ms. Allocated memory was 227.0 MB in the beginning and 316.7 MB in the end (delta: 89.7 MB). Free memory was 192.1 MB in the beginning and 197.8 MB in the end (delta: -5.7 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: 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 39 procedures, 232 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1427 SDtfs, 687 SDslu, 4341 SDs, 0 SdLazy, 715 SolverSat, 186 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 169 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=505occurred in iteration=7, 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, 0.9473684210526315 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 74 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 810 NumberOfCodeBlocks, 810 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 800 ConstructedInterpolants, 0 QuantifiedInterpolants, 100543 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 29/31 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...