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_spec2_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:08:07,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:08:07,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:08:07,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:08:07,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:08:07,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:08:07,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:08:07,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:08:07,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:08:07,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:08:07,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:08:07,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:08:07,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:08:07,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:08:07,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:08:07,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:08:07,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:08:07,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:08:07,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:08:07,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:08:07,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:08:07,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:08:07,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:08:07,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:08:07,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:08:07,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:08:07,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:08:07,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:08:07,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:08:07,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:08:07,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:08:07,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:08:07,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:08:07,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:08:07,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:08:07,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:08:07,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:08:07,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:08:07,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:08:07,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:08:07,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:08:07,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:08:07,708 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:08:07,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:08:07,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:08:07,709 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:08:07,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:08:07,710 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:08:07,710 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:08:07,710 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:08:07,710 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:08:07,711 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:08:07,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:08:07,711 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:08:07,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:08:07,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:08:07,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:08:07,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:08:07,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:08:07,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:08:07,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:08:07,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:08:07,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:08:07,713 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:08:07,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:08:07,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:08:07,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:08:07,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:08:07,714 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:08:07,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:08:07,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:08:07,715 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:08:07,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:08:07,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:08:07,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:08:07,760 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:08:07,760 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:08:07,761 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2019-09-16 17:08:07,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35c2e35b/28012a664d2b4d19b57309ff86d9d551/FLAGdb2e101dd [2019-09-16 17:08:08,380 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:08:08,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product10.cil.c [2019-09-16 17:08:08,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35c2e35b/28012a664d2b4d19b57309ff86d9d551/FLAGdb2e101dd [2019-09-16 17:08:08,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35c2e35b/28012a664d2b4d19b57309ff86d9d551 [2019-09-16 17:08:08,723 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:08:08,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:08:08,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:08:08,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:08:08,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:08:08,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:08:08" (1/1) ... [2019-09-16 17:08:08,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8fd605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:08, skipping insertion in model container [2019-09-16 17:08:08,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:08:08" (1/1) ... [2019-09-16 17:08:08,743 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:08:08,797 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:08:09,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:08:09,256 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:08:09,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:08:09,405 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:08:09,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09 WrapperNode [2019-09-16 17:08:09,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:08:09,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:08:09,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:08:09,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:08:09,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09" (1/1) ... [2019-09-16 17:08:09,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09" (1/1) ... [2019-09-16 17:08:09,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09" (1/1) ... [2019-09-16 17:08:09,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09" (1/1) ... [2019-09-16 17:08:09,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09" (1/1) ... [2019-09-16 17:08:09,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09" (1/1) ... [2019-09-16 17:08:09,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09" (1/1) ... [2019-09-16 17:08:09,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:08:09,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:08:09,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:08:09,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:08:09,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:08:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:08:09,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:08:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:08:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:08:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 17:08:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 17:08:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 17:08:09,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 17:08:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 17:08:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 17:08:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:08:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:08:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:08:09,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:08:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:08:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:08:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:08:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:08:09,570 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:08:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:08:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:08:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 17:08:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 17:08:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-16 17:08:09,571 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 17:08:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 17:08:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 17:08:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 17:08:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 17:08:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 17:08:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-16 17:08:09,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-16 17:08:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 17:08:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 17:08:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:08:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 17:08:09,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:08:09,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:08:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:08:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:08:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:08:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 17:08:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 17:08:09,574 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 17:08:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 17:08:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 17:08:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 17:08:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:08:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:08:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:08:09,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:08:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:08:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:08:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:08:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:08:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:08:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:08:09,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:08:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:08:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:08:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:08:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:08:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:08:09,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:08:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:08:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:08:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:08:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:08:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 17:08:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 17:08:09,578 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 17:08:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:08:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 17:08:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 17:08:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 17:08:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 17:08:09,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-16 17:08:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 17:08:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-16 17:08:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 17:08:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-16 17:08:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 17:08:09,580 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:08:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 17:08:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:08:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:08:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:08:09,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:08:10,619 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:08:10,620 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:08:10,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:08:10 BoogieIcfgContainer [2019-09-16 17:08:10,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:08:10,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:08:10,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:08:10,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:08:10,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:08:08" (1/3) ... [2019-09-16 17:08:10,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e34baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:08:10, skipping insertion in model container [2019-09-16 17:08:10,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:08:09" (2/3) ... [2019-09-16 17:08:10,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e34baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:08:10, skipping insertion in model container [2019-09-16 17:08:10,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:08:10" (3/3) ... [2019-09-16 17:08:10,634 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product10.cil.c [2019-09-16 17:08:10,644 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:08:10,656 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:08:10,690 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:08:10,725 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:08:10,726 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:08:10,726 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:08:10,726 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:08:10,726 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:08:10,726 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:08:10,726 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:08:10,727 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:08:10,745 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2019-09-16 17:08:10,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 17:08:10,758 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:10,759 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:10,761 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:10,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:10,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1568761122, now seen corresponding path program 1 times [2019-09-16 17:08:10,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:10,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:10,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:10,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:10,820 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:11,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:11,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:08:11,136 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:11,142 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:08:11,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:08:11,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:11,157 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2019-09-16 17:08:11,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:11,184 INFO L93 Difference]: Finished difference Result 101 states and 116 transitions. [2019-09-16 17:08:11,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:08:11,185 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-16 17:08:11,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:11,197 INFO L225 Difference]: With dead ends: 101 [2019-09-16 17:08:11,198 INFO L226 Difference]: Without dead ends: 90 [2019-09-16 17:08:11,199 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:08:11,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-09-16 17:08:11,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-09-16 17:08:11,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-09-16 17:08:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2019-09-16 17:08:11,251 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 51 [2019-09-16 17:08:11,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:11,252 INFO L475 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2019-09-16 17:08:11,252 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:08:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2019-09-16 17:08:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 17:08:11,255 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:11,256 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:11,256 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:11,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:11,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1581025708, now seen corresponding path program 1 times [2019-09-16 17:08:11,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:11,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:11,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:11,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:11,259 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:11,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:11,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:08:11,429 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:11,431 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:08:11,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:08:11,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:08:11,432 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2019-09-16 17:08:11,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:11,453 INFO L93 Difference]: Finished difference Result 81 states and 92 transitions. [2019-09-16 17:08:11,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:08:11,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-16 17:08:11,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:11,456 INFO L225 Difference]: With dead ends: 81 [2019-09-16 17:08:11,456 INFO L226 Difference]: Without dead ends: 81 [2019-09-16 17:08:11,457 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:08:11,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-09-16 17:08:11,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-09-16 17:08:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-09-16 17:08:11,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2019-09-16 17:08:11,468 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 52 [2019-09-16 17:08:11,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:11,468 INFO L475 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2019-09-16 17:08:11,468 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:08:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2019-09-16 17:08:11,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-16 17:08:11,471 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:11,471 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:11,471 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:11,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:11,472 INFO L82 PathProgramCache]: Analyzing trace with hash -409908338, now seen corresponding path program 1 times [2019-09-16 17:08:11,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:11,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:11,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:11,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:11,476 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:11,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:11,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:08:11,656 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:11,657 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:08:11,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:08:11,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:08:11,658 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 7 states. [2019-09-16 17:08:11,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:11,956 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2019-09-16 17:08:11,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:08:11,957 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-09-16 17:08:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:11,960 INFO L225 Difference]: With dead ends: 81 [2019-09-16 17:08:11,960 INFO L226 Difference]: Without dead ends: 81 [2019-09-16 17:08:11,961 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 17:08:11,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-09-16 17:08:11,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-09-16 17:08:11,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-09-16 17:08:11,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2019-09-16 17:08:11,974 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 57 [2019-09-16 17:08:11,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:11,974 INFO L475 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2019-09-16 17:08:11,976 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:08:11,976 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2019-09-16 17:08:11,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-16 17:08:11,979 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:11,979 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:11,979 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:11,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:11,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1254648935, now seen corresponding path program 1 times [2019-09-16 17:08:11,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:11,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:11,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:11,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:11,983 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:12,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:12,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:08:12,158 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:12,160 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:08:12,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:08:12,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:08:12,161 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand 6 states. [2019-09-16 17:08:12,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:12,386 INFO L93 Difference]: Finished difference Result 126 states and 144 transitions. [2019-09-16 17:08:12,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:08:12,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2019-09-16 17:08:12,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:12,418 INFO L225 Difference]: With dead ends: 126 [2019-09-16 17:08:12,418 INFO L226 Difference]: Without dead ends: 126 [2019-09-16 17:08:12,419 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:08:12,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-09-16 17:08:12,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2019-09-16 17:08:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-09-16 17:08:12,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 142 transitions. [2019-09-16 17:08:12,447 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 142 transitions. Word has length 60 [2019-09-16 17:08:12,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:12,451 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 142 transitions. [2019-09-16 17:08:12,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:08:12,451 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 142 transitions. [2019-09-16 17:08:12,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-16 17:08:12,453 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:08:12,453 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:08:12,453 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:08:12,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:08:12,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1040881725, now seen corresponding path program 1 times [2019-09-16 17:08:12,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:08:12,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:12,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:08:12,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:08:12,463 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:08:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:08:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:08:12,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:08:12,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:08:12,580 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:08:12,580 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:08:12,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:08:12,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:08:12,581 INFO L87 Difference]: Start difference. First operand 124 states and 142 transitions. Second operand 6 states. [2019-09-16 17:08:12,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:08:12,730 INFO L93 Difference]: Finished difference Result 114 states and 127 transitions. [2019-09-16 17:08:12,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 17:08:12,731 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2019-09-16 17:08:12,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:08:12,731 INFO L225 Difference]: With dead ends: 114 [2019-09-16 17:08:12,732 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:08:12,732 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 [2019-09-16 17:08:12,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:08:12,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:08:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:08:12,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:08:12,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2019-09-16 17:08:12,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:08:12,733 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:08:12,733 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:08:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:08:12,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:08:12,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:08:12 BoogieIcfgContainer [2019-09-16 17:08:12,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:08:12,742 INFO L168 Benchmark]: Toolchain (without parser) took 4017.02 ms. Allocated memory was 139.5 MB in the beginning and 265.8 MB in the end (delta: 126.4 MB). Free memory was 86.1 MB in the beginning and 191.0 MB in the end (delta: -104.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:12,743 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:08:12,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.08 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 164.9 MB in the end (delta: -79.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:12,745 INFO L168 Benchmark]: Boogie Preprocessor took 87.88 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 161.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:12,746 INFO L168 Benchmark]: RCFGBuilder took 1126.81 ms. Allocated memory is still 199.2 MB. Free memory was 161.1 MB in the beginning and 78.4 MB in the end (delta: 82.7 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:08:12,747 INFO L168 Benchmark]: TraceAbstraction took 2115.72 ms. Allocated memory was 199.2 MB in the beginning and 265.8 MB in the end (delta: 66.6 MB). Free memory was 78.4 MB in the beginning and 191.0 MB in the end (delta: -112.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:08:12,751 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.08 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 85.9 MB in the beginning and 164.9 MB in the end (delta: -79.0 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.88 ms. Allocated memory is still 199.2 MB. Free memory was 164.9 MB in the beginning and 161.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1126.81 ms. Allocated memory is still 199.2 MB. Free memory was 161.1 MB in the beginning and 78.4 MB in the end (delta: 82.7 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2115.72 ms. Allocated memory was 199.2 MB in the beginning and 265.8 MB in the end (delta: 66.6 MB). Free memory was 78.4 MB in the beginning and 191.0 MB in the end (delta: -112.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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 37 procedures, 210 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 468 SDtfs, 184 SDslu, 776 SDs, 0 SdLazy, 181 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 279 ConstructedInterpolants, 0 QuantifiedInterpolants, 28779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...