java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:31:10,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:31:10,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:31:10,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:31:10,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:31:10,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:31:10,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:31:10,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:31:10,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:31:10,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:31:10,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:31:10,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:31:10,597 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:31:10,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:31:10,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:31:10,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:31:10,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:31:10,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:31:10,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:31:10,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:31:10,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:31:10,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:31:10,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:31:10,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:31:10,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:31:10,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:31:10,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:31:10,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:31:10,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:31:10,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:31:10,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:31:10,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:31:10,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:31:10,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:31:10,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:31:10,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:31:10,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:31:10,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:31:10,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:31:10,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:31:10,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:31:10,639 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 [2019-09-20 13:31:10,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:31:10,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:31:10,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:31:10,662 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:31:10,663 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:31:10,663 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:31:10,663 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:31:10,663 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:31:10,664 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:31:10,664 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:31:10,665 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:31:10,665 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:31:10,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:31:10,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:31:10,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:31:10,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:31:10,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:31:10,667 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:31:10,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:31:10,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:31:10,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:31:10,667 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:31:10,668 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:31:10,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:10,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:31:10,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:31:10,669 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:31:10,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:31:10,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:31:10,669 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:31:10,720 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:31:10,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:31:10,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:31:10,746 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:31:10,747 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:31:10,748 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product10.cil.c [2019-09-20 13:31:10,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe52e0036/0417beee5ee7488daee90761d4d079c5/FLAG909a3a08c [2019-09-20 13:31:11,393 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:31:11,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product10.cil.c [2019-09-20 13:31:11,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe52e0036/0417beee5ee7488daee90761d4d079c5/FLAG909a3a08c [2019-09-20 13:31:11,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe52e0036/0417beee5ee7488daee90761d4d079c5 [2019-09-20 13:31:11,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:31:11,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:31:11,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:11,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:31:11,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:31:11,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:11" (1/1) ... [2019-09-20 13:31:11,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f9f380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11, skipping insertion in model container [2019-09-20 13:31:11,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:11" (1/1) ... [2019-09-20 13:31:11,712 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:31:11,775 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:31:12,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:12,239 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:31:12,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:12,412 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:31:12,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12 WrapperNode [2019-09-20 13:31:12,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:12,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:31:12,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:31:12,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:31:12,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12" (1/1) ... [2019-09-20 13:31:12,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12" (1/1) ... [2019-09-20 13:31:12,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12" (1/1) ... [2019-09-20 13:31:12,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12" (1/1) ... [2019-09-20 13:31:12,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12" (1/1) ... [2019-09-20 13:31:12,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12" (1/1) ... [2019-09-20 13:31:12,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12" (1/1) ... [2019-09-20 13:31:12,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:31:12,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:31:12,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:31:12,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:31:12,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12" (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 [2019-09-20 13:31:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:31:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:31:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:31:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:31:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:31:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:31:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:31:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:31:12,585 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:31:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:31:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:31:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:31:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:12,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:31:12,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:31:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:31:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:31:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:31:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:31:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-20 13:31:12,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:31:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:31:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:31:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:31:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:31:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:31:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:31:12,589 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:31:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:31:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:31:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:31:12,590 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:31:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:31:12,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:31:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:31:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:31:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:31:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:31:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:31:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:31:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:31:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:31:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:31:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:31:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:31:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:31:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:31:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:31:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:31:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:31:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:31:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:31:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:31:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:31:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:31:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:31:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:31:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:31:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:31:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:31:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:31:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:31:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:31:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:31:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:31:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:31:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:31:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:31:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-20 13:31:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:31:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:31:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:31:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:31:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:31:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:31:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:31:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:31:13,645 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:31:13,645 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:31:13,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:13 BoogieIcfgContainer [2019-09-20 13:31:13,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:31:13,649 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:31:13,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:31:13,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:31:13,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:11" (1/3) ... [2019-09-20 13:31:13,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4ee85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:13, skipping insertion in model container [2019-09-20 13:31:13,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:12" (2/3) ... [2019-09-20 13:31:13,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4ee85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:13, skipping insertion in model container [2019-09-20 13:31:13,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:13" (3/3) ... [2019-09-20 13:31:13,657 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2019-09-20 13:31:13,684 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:31:13,693 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:31:13,711 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:31:13,740 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:31:13,740 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:31:13,740 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:31:13,741 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:31:13,741 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:31:13,741 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:31:13,741 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:31:13,742 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:31:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2019-09-20 13:31:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:31:13,778 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:13,780 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:13,782 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:13,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:13,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1450676834, now seen corresponding path program 1 times [2019-09-20 13:31:13,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:13,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:13,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:13,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:13,850 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:14,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:14,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:31:14,162 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:14,167 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:31:14,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:31:14,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:14,187 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2019-09-20 13:31:14,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:14,226 INFO L93 Difference]: Finished difference Result 106 states and 122 transitions. [2019-09-20 13:31:14,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:31:14,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:31:14,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:14,247 INFO L225 Difference]: With dead ends: 106 [2019-09-20 13:31:14,247 INFO L226 Difference]: Without dead ends: 95 [2019-09-20 13:31:14,250 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 [2019-09-20 13:31:14,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-09-20 13:31:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-09-20 13:31:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-09-20 13:31:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2019-09-20 13:31:14,299 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 59 [2019-09-20 13:31:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:14,300 INFO L475 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2019-09-20 13:31:14,300 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:31:14,300 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2019-09-20 13:31:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-20 13:31:14,304 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:14,304 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:14,305 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:14,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:14,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1432063484, now seen corresponding path program 1 times [2019-09-20 13:31:14,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:14,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:14,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:14,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:14,308 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:14,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:14,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:31:14,468 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:14,470 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:31:14,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:31:14,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:31:14,471 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2019-09-20 13:31:14,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:14,484 INFO L93 Difference]: Finished difference Result 86 states and 98 transitions. [2019-09-20 13:31:14,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:31:14,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-20 13:31:14,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:14,487 INFO L225 Difference]: With dead ends: 86 [2019-09-20 13:31:14,487 INFO L226 Difference]: Without dead ends: 86 [2019-09-20 13:31:14,488 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 [2019-09-20 13:31:14,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-09-20 13:31:14,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-09-20 13:31:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-09-20 13:31:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2019-09-20 13:31:14,502 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 60 [2019-09-20 13:31:14,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:14,502 INFO L475 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2019-09-20 13:31:14,502 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:31:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2019-09-20 13:31:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-20 13:31:14,505 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:14,505 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:14,505 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:14,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:14,506 INFO L82 PathProgramCache]: Analyzing trace with hash 2005015716, now seen corresponding path program 1 times [2019-09-20 13:31:14,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:14,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:14,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:14,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:14,509 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:14,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:14,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:14,696 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:14,697 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:14,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:14,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:14,700 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 7 states. [2019-09-20 13:31:14,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:14,943 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2019-09-20 13:31:14,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:14,944 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-09-20 13:31:14,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:14,946 INFO L225 Difference]: With dead ends: 86 [2019-09-20 13:31:14,946 INFO L226 Difference]: Without dead ends: 86 [2019-09-20 13:31:14,946 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 [2019-09-20 13:31:14,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2019-09-20 13:31:14,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2019-09-20 13:31:14,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2019-09-20 13:31:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2019-09-20 13:31:14,955 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 65 [2019-09-20 13:31:14,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:14,960 INFO L475 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2019-09-20 13:31:14,960 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2019-09-20 13:31:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-20 13:31:14,962 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:14,963 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:14,963 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:14,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:14,967 INFO L82 PathProgramCache]: Analyzing trace with hash 427543665, now seen corresponding path program 1 times [2019-09-20 13:31:14,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:14,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:14,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:14,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:14,971 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:31:15,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:15,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:31:15,122 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:15,123 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:31:15,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:31:15,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:31:15,124 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 6 states. [2019-09-20 13:31:15,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:15,315 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2019-09-20 13:31:15,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:15,316 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-09-20 13:31:15,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:15,317 INFO L225 Difference]: With dead ends: 80 [2019-09-20 13:31:15,317 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:31:15,317 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:31:15,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:31:15,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:31:15,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:31:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:31:15,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-09-20 13:31:15,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:15,319 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:31:15,319 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:31:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:31:15,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:31:15,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:15 BoogieIcfgContainer [2019-09-20 13:31:15,325 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:31:15,328 INFO L168 Benchmark]: Toolchain (without parser) took 3630.35 ms. Allocated memory was 132.1 MB in the beginning and 264.2 MB in the end (delta: 132.1 MB). Free memory was 87.5 MB in the beginning and 218.5 MB in the end (delta: -131.0 MB). Peak memory consumption was 1.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:15,329 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-09-20 13:31:15,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.33 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 164.1 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:15,331 INFO L168 Benchmark]: Boogie Preprocessor took 107.52 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:15,332 INFO L168 Benchmark]: RCFGBuilder took 1125.26 ms. Allocated memory is still 198.7 MB. Free memory was 159.6 MB in the beginning and 76.9 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:15,333 INFO L168 Benchmark]: TraceAbstraction took 1676.16 ms. Allocated memory was 198.7 MB in the beginning and 264.2 MB in the end (delta: 65.5 MB). Free memory was 76.2 MB in the beginning and 218.5 MB in the end (delta: -142.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:31:15,337 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 716.33 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 164.1 MB in the end (delta: -76.8 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.52 ms. Allocated memory is still 198.7 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1125.26 ms. Allocated memory is still 198.7 MB. Free memory was 159.6 MB in the beginning and 76.9 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1676.16 ms. Allocated memory was 198.7 MB in the beginning and 264.2 MB in the end (delta: 65.5 MB). Free memory was 76.2 MB in the beginning and 218.5 MB in the end (delta: -142.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 794]: 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 38 procedures, 215 locations, 1 error locations. SAFE Result, 1.5s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 396 SDtfs, 149 SDslu, 495 SDs, 0 SdLazy, 140 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 25622 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...