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 0.1.24-673a906-m [2019-10-03 02:57:56,421 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:57:56,423 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:57:56,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:57:56,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:57:56,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:57:56,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:57:56,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:57:56,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:57:56,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:57:56,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:57:56,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:57:56,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:57:56,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:57:56,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:57:56,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:57:56,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:57:56,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:57:56,452 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:57:56,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:57:56,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:57:56,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:57:56,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:57:56,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:57:56,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:57:56,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:57:56,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:57:56,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:57:56,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:57:56,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:57:56,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:57:56,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:57:56,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:57:56,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:57:56,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:57:56,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:57:56,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:57:56,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:57:56,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:57:56,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:57:56,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:57:56,471 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 [2019-10-03 02:57:56,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:57:56,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:57:56,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:57:56,487 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:57:56,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:57:56,488 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:57:56,488 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:57:56,488 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:57:56,488 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:57:56,489 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:57:56,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:57:56,490 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:57:56,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:57:56,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:57:56,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:57:56,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:57:56,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:57:56,491 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:57:56,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:57:56,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:57:56,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:57:56,492 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:57:56,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:57:56,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:57:56,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:57:56,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:57:56,493 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:57:56,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:57:56,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:57:56,493 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:57:56,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:57:56,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:57:56,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:57:56,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:57:56,540 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:57:56,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2019-10-03 02:57:56,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bcd44353/57833547a742474489c5f67bc24f8f6d/FLAG8be1caabf [2019-10-03 02:57:57,080 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:57:57,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product38.cil.c [2019-10-03 02:57:57,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bcd44353/57833547a742474489c5f67bc24f8f6d/FLAG8be1caabf [2019-10-03 02:57:57,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bcd44353/57833547a742474489c5f67bc24f8f6d [2019-10-03 02:57:57,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:57:57,395 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:57:57,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:57:57,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:57:57,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:57:57,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:57:57" (1/1) ... [2019-10-03 02:57:57,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50368a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:57, skipping insertion in model container [2019-10-03 02:57:57,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:57:57" (1/1) ... [2019-10-03 02:57:57,412 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:57:57,455 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:57:57,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:57:57,896 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:57:57,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:57:58,024 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:57:58,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58 WrapperNode [2019-10-03 02:57:58,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:57:58,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:57:58,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:57:58,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:57:58,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58" (1/1) ... [2019-10-03 02:57:58,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58" (1/1) ... [2019-10-03 02:57:58,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58" (1/1) ... [2019-10-03 02:57:58,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58" (1/1) ... [2019-10-03 02:57:58,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58" (1/1) ... [2019-10-03 02:57:58,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58" (1/1) ... [2019-10-03 02:57:58,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58" (1/1) ... [2019-10-03 02:57:58,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:57:58,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:57:58,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:57:58,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:57:58,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:57:58,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:57:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:57:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:57:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:57:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:57:58,184 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:57:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:57:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:57:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-03 02:57:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-03 02:57:58,185 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-03 02:57:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-03 02:57:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-03 02:57:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-03 02:57:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-03 02:57:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-03 02:57:58,186 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-03 02:57:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-03 02:57:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-03 02:57:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:57:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:57:58,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:57:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:57:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:57:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:57:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:57:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-03 02:57:58,188 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-03 02:57:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:57:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-03 02:57:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:57:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-03 02:57:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-03 02:57:58,189 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-03 02:57:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-03 02:57:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-03 02:57:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-03 02:57:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-03 02:57:58,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-03 02:57:58,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:57:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:57:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:57:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:57:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:57:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:57:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:57:58,191 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-03 02:57:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-03 02:57:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-03 02:57:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-03 02:57:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-03 02:57:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:57:58,192 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-03 02:57:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-03 02:57:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-03 02:57:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-03 02:57:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-03 02:57:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-03 02:57:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-03 02:57:58,193 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-03 02:57:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-03 02:57:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-03 02:57:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-03 02:57:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-03 02:57:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-03 02:57:58,194 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-03 02:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:57:58,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:57:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:57:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:57:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:57:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:57:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:57:58,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:57:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:57:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:57:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:57:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:57:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:57:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:57:58,197 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-03 02:57:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:57:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-03 02:57:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:57:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-03 02:57:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:57:58,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:57:58,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:57:59,375 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:57:59,375 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 02:57:59,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:57:59 BoogieIcfgContainer [2019-10-03 02:57:59,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:57:59,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:57:59,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:57:59,385 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:57:59,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:57:57" (1/3) ... [2019-10-03 02:57:59,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763578c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:57:59, skipping insertion in model container [2019-10-03 02:57:59,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:57:58" (2/3) ... [2019-10-03 02:57:59,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763578c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:57:59, skipping insertion in model container [2019-10-03 02:57:59,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:57:59" (3/3) ... [2019-10-03 02:57:59,390 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2019-10-03 02:57:59,400 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:57:59,413 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:57:59,432 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:57:59,465 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:57:59,466 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:57:59,466 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:57:59,466 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:57:59,466 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:57:59,467 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:57:59,467 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:57:59,467 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:57:59,489 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2019-10-03 02:57:59,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-03 02:57:59,502 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:59,503 INFO L411 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] [2019-10-03 02:57:59,506 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:59,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:59,511 INFO L82 PathProgramCache]: Analyzing trace with hash 639525092, now seen corresponding path program 1 times [2019-10-03 02:57:59,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:59,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:59,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:59,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:59,563 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:57:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:57:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:57:59,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:57:59,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:57:59,858 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:57:59,865 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:57:59,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:57:59,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:57:59,883 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2019-10-03 02:57:59,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:57:59,910 INFO L93 Difference]: Finished difference Result 144 states and 168 transitions. [2019-10-03 02:57:59,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:57:59,912 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-03 02:57:59,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:57:59,925 INFO L225 Difference]: With dead ends: 144 [2019-10-03 02:57:59,925 INFO L226 Difference]: Without dead ends: 133 [2019-10-03 02:57:59,927 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:57:59,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-03 02:57:59,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-03 02:57:59,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-03 02:57:59,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2019-10-03 02:57:59,986 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 52 [2019-10-03 02:57:59,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:57:59,986 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2019-10-03 02:57:59,987 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:57:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2019-10-03 02:57:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-03 02:57:59,991 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:57:59,991 INFO L411 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] [2019-10-03 02:57:59,991 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:57:59,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:57:59,992 INFO L82 PathProgramCache]: Analyzing trace with hash -510809670, now seen corresponding path program 1 times [2019-10-03 02:57:59,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:57:59,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:59,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:57:59,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:57:59,996 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:00,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:00,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:58:00,118 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:00,120 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:58:00,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:58:00,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:00,121 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2019-10-03 02:58:00,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:00,138 INFO L93 Difference]: Finished difference Result 124 states and 144 transitions. [2019-10-03 02:58:00,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:58:00,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-03 02:58:00,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:00,141 INFO L225 Difference]: With dead ends: 124 [2019-10-03 02:58:00,141 INFO L226 Difference]: Without dead ends: 124 [2019-10-03 02:58:00,142 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:58:00,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-03 02:58:00,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-10-03 02:58:00,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-10-03 02:58:00,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2019-10-03 02:58:00,156 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2019-10-03 02:58:00,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:00,156 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2019-10-03 02:58:00,156 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:58:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2019-10-03 02:58:00,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-03 02:58:00,159 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:00,159 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:00,159 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:00,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:00,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1651946043, now seen corresponding path program 1 times [2019-10-03 02:58:00,160 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:00,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:00,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:00,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:00,163 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:00,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:00,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:58:00,310 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:00,311 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:58:00,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:58:00,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:58:00,313 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2019-10-03 02:58:00,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:00,635 INFO L93 Difference]: Finished difference Result 124 states and 143 transitions. [2019-10-03 02:58:00,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:58:00,636 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-03 02:58:00,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:00,640 INFO L225 Difference]: With dead ends: 124 [2019-10-03 02:58:00,640 INFO L226 Difference]: Without dead ends: 124 [2019-10-03 02:58:00,641 INFO L640 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 [2019-10-03 02:58:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-03 02:58:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-10-03 02:58:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-10-03 02:58:00,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2019-10-03 02:58:00,664 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 58 [2019-10-03 02:58:00,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:00,665 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2019-10-03 02:58:00,665 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:58:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2019-10-03 02:58:00,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-03 02:58:00,679 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:00,680 INFO L411 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] [2019-10-03 02:58:00,680 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:00,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:00,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1339614682, now seen corresponding path program 1 times [2019-10-03 02:58:00,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:00,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:00,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:00,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:00,691 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:00,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:00,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:58:00,868 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:00,869 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:58:00,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:58:00,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:58:00,869 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2019-10-03 02:58:01,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:01,468 INFO L93 Difference]: Finished difference Result 235 states and 272 transitions. [2019-10-03 02:58:01,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:58:01,469 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2019-10-03 02:58:01,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:01,476 INFO L225 Difference]: With dead ends: 235 [2019-10-03 02:58:01,477 INFO L226 Difference]: Without dead ends: 235 [2019-10-03 02:58:01,477 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:58:01,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2019-10-03 02:58:01,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 216. [2019-10-03 02:58:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-10-03 02:58:01,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2019-10-03 02:58:01,520 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 71 [2019-10-03 02:58:01,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:01,520 INFO L475 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2019-10-03 02:58:01,521 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:58:01,521 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2019-10-03 02:58:01,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-03 02:58:01,524 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:01,525 INFO L411 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] [2019-10-03 02:58:01,525 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:01,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:01,527 INFO L82 PathProgramCache]: Analyzing trace with hash 345762925, now seen corresponding path program 1 times [2019-10-03 02:58:01,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:01,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:01,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:01,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:01,539 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:01,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:01,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:58:01,706 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:01,707 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:58:01,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:58:01,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:58:01,708 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 6 states. [2019-10-03 02:58:01,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:01,913 INFO L93 Difference]: Finished difference Result 336 states and 388 transitions. [2019-10-03 02:58:01,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:58:01,916 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2019-10-03 02:58:01,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:01,923 INFO L225 Difference]: With dead ends: 336 [2019-10-03 02:58:01,923 INFO L226 Difference]: Without dead ends: 336 [2019-10-03 02:58:01,926 INFO L640 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 [2019-10-03 02:58:01,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-10-03 02:58:01,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2019-10-03 02:58:01,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2019-10-03 02:58:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 384 transitions. [2019-10-03 02:58:01,953 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 384 transitions. Word has length 85 [2019-10-03 02:58:01,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:01,956 INFO L475 AbstractCegarLoop]: Abstraction has 332 states and 384 transitions. [2019-10-03 02:58:01,956 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:58:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 384 transitions. [2019-10-03 02:58:01,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-03 02:58:01,961 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:01,961 INFO L411 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] [2019-10-03 02:58:01,961 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:01,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:01,962 INFO L82 PathProgramCache]: Analyzing trace with hash 535971955, now seen corresponding path program 1 times [2019-10-03 02:58:01,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:01,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:01,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:01,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:01,966 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:02,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:02,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:02,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:58:02,134 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:02,135 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:58:02,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:58:02,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:58:02,136 INFO L87 Difference]: Start difference. First operand 332 states and 384 transitions. Second operand 6 states. [2019-10-03 02:58:02,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:02,397 INFO L93 Difference]: Finished difference Result 519 states and 616 transitions. [2019-10-03 02:58:02,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:58:02,398 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2019-10-03 02:58:02,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:02,402 INFO L225 Difference]: With dead ends: 519 [2019-10-03 02:58:02,403 INFO L226 Difference]: Without dead ends: 519 [2019-10-03 02:58:02,403 INFO L640 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 [2019-10-03 02:58:02,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2019-10-03 02:58:02,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 501. [2019-10-03 02:58:02,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2019-10-03 02:58:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 593 transitions. [2019-10-03 02:58:02,447 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 593 transitions. Word has length 89 [2019-10-03 02:58:02,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:02,448 INFO L475 AbstractCegarLoop]: Abstraction has 501 states and 593 transitions. [2019-10-03 02:58:02,448 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:58:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 593 transitions. [2019-10-03 02:58:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-03 02:58:02,451 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:02,451 INFO L411 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] [2019-10-03 02:58:02,451 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:02,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:02,452 INFO L82 PathProgramCache]: Analyzing trace with hash -386711628, now seen corresponding path program 1 times [2019-10-03 02:58:02,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:02,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:02,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:02,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:02,455 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:02,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:02,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:02,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:58:02,521 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:02,521 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:58:02,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:58:02,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:58:02,522 INFO L87 Difference]: Start difference. First operand 501 states and 593 transitions. Second operand 5 states. [2019-10-03 02:58:02,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:02,548 INFO L93 Difference]: Finished difference Result 511 states and 603 transitions. [2019-10-03 02:58:02,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-03 02:58:02,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2019-10-03 02:58:02,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:02,553 INFO L225 Difference]: With dead ends: 511 [2019-10-03 02:58:02,553 INFO L226 Difference]: Without dead ends: 511 [2019-10-03 02:58:02,553 INFO L640 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 [2019-10-03 02:58:02,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-10-03 02:58:02,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2019-10-03 02:58:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2019-10-03 02:58:02,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 596 transitions. [2019-10-03 02:58:02,577 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 596 transitions. Word has length 89 [2019-10-03 02:58:02,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:02,577 INFO L475 AbstractCegarLoop]: Abstraction has 505 states and 596 transitions. [2019-10-03 02:58:02,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:58:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 596 transitions. [2019-10-03 02:58:02,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-03 02:58:02,580 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:02,580 INFO L411 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] [2019-10-03 02:58:02,580 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:02,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:02,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1230717130, now seen corresponding path program 1 times [2019-10-03 02:58:02,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:02,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:02,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:02,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:02,584 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:02,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:02,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:58:02,697 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:02,698 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:58:02,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:58:02,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:58:02,701 INFO L87 Difference]: Start difference. First operand 505 states and 596 transitions. Second operand 9 states. [2019-10-03 02:58:02,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:02,767 INFO L93 Difference]: Finished difference Result 511 states and 603 transitions. [2019-10-03 02:58:02,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:58:02,769 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2019-10-03 02:58:02,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:02,777 INFO L225 Difference]: With dead ends: 511 [2019-10-03 02:58:02,777 INFO L226 Difference]: Without dead ends: 511 [2019-10-03 02:58:02,778 INFO L640 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 [2019-10-03 02:58:02,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-10-03 02:58:02,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2019-10-03 02:58:02,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2019-10-03 02:58:02,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 594 transitions. [2019-10-03 02:58:02,803 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 594 transitions. Word has length 89 [2019-10-03 02:58:02,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:02,804 INFO L475 AbstractCegarLoop]: Abstraction has 505 states and 594 transitions. [2019-10-03 02:58:02,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:58:02,804 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 594 transitions. [2019-10-03 02:58:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-03 02:58:02,810 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:02,811 INFO L411 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] [2019-10-03 02:58:02,811 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:02,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:02,812 INFO L82 PathProgramCache]: Analyzing trace with hash -420721396, now seen corresponding path program 1 times [2019-10-03 02:58:02,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:02,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:02,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:02,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:02,816 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:02,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-03 02:58:02,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:58:02,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-03 02:58:02,986 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:02,986 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-03 02:58:02,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-03 02:58:02,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-03 02:58:02,987 INFO L87 Difference]: Start difference. First operand 505 states and 594 transitions. Second operand 10 states. [2019-10-03 02:58:03,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:03,325 INFO L93 Difference]: Finished difference Result 511 states and 588 transitions. [2019-10-03 02:58:03,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:58:03,326 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2019-10-03 02:58:03,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:03,329 INFO L225 Difference]: With dead ends: 511 [2019-10-03 02:58:03,330 INFO L226 Difference]: Without dead ends: 511 [2019-10-03 02:58:03,330 INFO L640 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 [2019-10-03 02:58:03,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-10-03 02:58:03,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 490. [2019-10-03 02:58:03,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2019-10-03 02:58:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 559 transitions. [2019-10-03 02:58:03,347 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 559 transitions. Word has length 90 [2019-10-03 02:58:03,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:03,347 INFO L475 AbstractCegarLoop]: Abstraction has 490 states and 559 transitions. [2019-10-03 02:58:03,347 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-03 02:58:03,348 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 559 transitions. [2019-10-03 02:58:03,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-03 02:58:03,351 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:58:03,351 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1] [2019-10-03 02:58:03,351 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:58:03,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:03,352 INFO L82 PathProgramCache]: Analyzing trace with hash 281439526, now seen corresponding path program 1 times [2019-10-03 02:58:03,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:58:03,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:03,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:58:03,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:58:03,355 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:58:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:58:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-03 02:58:03,432 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:58:03,432 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:58:03,433 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2019-10-03 02:58:03,436 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [99], [102], [104], [105], [108], [110], [113], [120], [123], [125], [134], [138], [142], [145], [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], [275], [279], [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], [471], [472], [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] [2019-10-03 02:58:03,482 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:58:03,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:58:03,559 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:58:03,561 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. [2019-10-03 02:58:03,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:58:03,566 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:58:03,616 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:58:03,616 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:58:03,620 INFO L420 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2019-10-03 02:58:03,620 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:58:03,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:58:03,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-10-03 02:58:03,623 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:58:03,623 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:58:03,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:58:03,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:03,624 INFO L87 Difference]: Start difference. First operand 490 states and 559 transitions. Second operand 2 states. [2019-10-03 02:58:03,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:58:03,625 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:58:03,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:58:03,625 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 138 [2019-10-03 02:58:03,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:58:03,625 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:58:03,625 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:58:03,626 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:58:03,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:58:03,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:58:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:58:03,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:58:03,627 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2019-10-03 02:58:03,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:58:03,627 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:58:03,627 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:58:03,627 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:58:03,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:58:03,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:58:03 BoogieIcfgContainer [2019-10-03 02:58:03,633 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:58:03,637 INFO L168 Benchmark]: Toolchain (without parser) took 6240.24 ms. Allocated memory was 132.1 MB in the beginning and 321.9 MB in the end (delta: 189.8 MB). Free memory was 87.1 MB in the beginning and 221.9 MB in the end (delta: -134.8 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:03,638 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:58:03,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.66 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 165.2 MB in the end (delta: -78.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:03,641 INFO L168 Benchmark]: Boogie Preprocessor took 93.28 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 161.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:03,648 INFO L168 Benchmark]: RCFGBuilder took 1261.06 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 161.0 MB in the beginning and 191.6 MB in the end (delta: -30.6 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:03,649 INFO L168 Benchmark]: TraceAbstraction took 4251.90 ms. Allocated memory was 222.3 MB in the beginning and 321.9 MB in the end (delta: 99.6 MB). Free memory was 191.6 MB in the beginning and 221.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 69.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:58:03,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 629.66 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 86.9 MB in the beginning and 165.2 MB in the end (delta: -78.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.28 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 161.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1261.06 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 161.0 MB in the beginning and 191.6 MB in the end (delta: -30.6 MB). Peak memory consumption was 92.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4251.90 ms. Allocated memory was 222.3 MB in the beginning and 321.9 MB in the end (delta: 99.6 MB). Free memory was 191.6 MB in the beginning and 221.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 69.3 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, 4.1s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1427 SDtfs, 687 SDslu, 4341 SDs, 0 SdLazy, 715 SolverSat, 186 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 225 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s 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, 0.9197080291970803 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, 814 NumberOfCodeBlocks, 814 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 804 ConstructedInterpolants, 0 QuantifiedInterpolants, 101663 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...