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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:50:42,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:50:42,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:50:42,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:50:42,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:50:42,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:50:42,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:50:42,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:50:42,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:50:42,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:50:42,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:50:42,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:50:42,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:50:42,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:50:42,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:50:42,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:50:42,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:50:42,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:50:42,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:50:42,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:50:42,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:50:42,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:50:42,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:50:42,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:50:42,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:50:42,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:50:42,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:50:42,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:50:42,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:50:42,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:50:42,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:50:42,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:50:42,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:50:42,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:50:42,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:50:42,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:50:42,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:50:42,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:50:42,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:50:42,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:50:42,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:50:42,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:50:42,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:50:42,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:50:42,625 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:50:42,625 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:50:42,626 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:50:42,626 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:50:42,626 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:50:42,626 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:50:42,626 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:50:42,627 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:50:42,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:50:42,627 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:50:42,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:50:42,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:50:42,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:50:42,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:50:42,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:50:42,629 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:50:42,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:50:42,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:50:42,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:50:42,630 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:50:42,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:50:42,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:50:42,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:50:42,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:50:42,631 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:50:42,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:50:42,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:50:42,632 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:50:42,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:50:42,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:50:42,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:50:42,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:50:42,692 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:50:42,692 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-09-10 02:50:42,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e1a3c71/b1a8c144ab0f4c7fb12eae3fbc15b6c5/FLAG51d128623 [2019-09-10 02:50:43,332 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:50:43,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product12.cil.c [2019-09-10 02:50:43,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e1a3c71/b1a8c144ab0f4c7fb12eae3fbc15b6c5/FLAG51d128623 [2019-09-10 02:50:43,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6e1a3c71/b1a8c144ab0f4c7fb12eae3fbc15b6c5 [2019-09-10 02:50:43,658 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:50:43,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:50:43,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:43,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:50:43,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:50:43,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:43" (1/1) ... [2019-09-10 02:50:43,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58691d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:43, skipping insertion in model container [2019-09-10 02:50:43,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:43" (1/1) ... [2019-09-10 02:50:43,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:50:43,740 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:50:44,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:44,205 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:50:44,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:44,365 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:50:44,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44 WrapperNode [2019-09-10 02:50:44,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:44,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:50:44,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:50:44,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:50:44,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44" (1/1) ... [2019-09-10 02:50:44,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44" (1/1) ... [2019-09-10 02:50:44,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44" (1/1) ... [2019-09-10 02:50:44,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44" (1/1) ... [2019-09-10 02:50:44,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44" (1/1) ... [2019-09-10 02:50:44,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44" (1/1) ... [2019-09-10 02:50:44,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44" (1/1) ... [2019-09-10 02:50:44,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:50:44,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:50:44,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:50:44,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:50:44,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:50:44,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:50:44,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:50:44,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-10 02:50:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-10 02:50:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-10 02:50:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:50:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:50:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-10 02:50:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:50:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:50:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:50:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:50:44,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:50:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-10 02:50:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:50:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:50:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:50:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:50:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:50:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:50:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:50:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:50:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:50:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:50:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:50:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:50:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:50:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:50:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:50:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:50:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:50:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:50:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:50:44,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:50:44,555 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:50:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:50:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:50:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:50:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:50:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:50:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:50:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-10 02:50:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-10 02:50:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-10 02:50:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:50:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:50:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:50:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:50:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:50:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:50:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:50:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-10 02:50:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:50:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:50:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-10 02:50:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:50:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:50:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:50:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:50:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:50:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:50:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:50:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:50:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:50:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:50:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:50:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:50:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:50:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:50:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:50:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:50:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:50:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:50:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:50:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:50:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:50:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:50:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:50:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:50:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:50:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:50:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:50:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:50:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:50:45,557 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:50:45,558 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:50:45,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:45 BoogieIcfgContainer [2019-09-10 02:50:45,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:50:45,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:50:45,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:50:45,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:50:45,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:50:43" (1/3) ... [2019-09-10 02:50:45,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562eec84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:45, skipping insertion in model container [2019-09-10 02:50:45,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:44" (2/3) ... [2019-09-10 02:50:45,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562eec84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:45, skipping insertion in model container [2019-09-10 02:50:45,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:45" (3/3) ... [2019-09-10 02:50:45,569 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product12.cil.c [2019-09-10 02:50:45,579 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:50:45,592 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:50:45,610 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:50:45,644 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:50:45,644 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:50:45,645 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:50:45,645 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:50:45,645 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:50:45,645 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:50:45,645 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:50:45,645 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:50:45,663 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-09-10 02:50:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-10 02:50:45,677 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:45,678 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:45,681 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:45,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:45,687 INFO L82 PathProgramCache]: Analyzing trace with hash -347827160, now seen corresponding path program 1 times [2019-09-10 02:50:45,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:45,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:45,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:45,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:45,739 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:50:46,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:46,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:50:46,047 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:46,053 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:46,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:46,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:46,074 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2019-09-10 02:50:46,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:46,106 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2019-09-10 02:50:46,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:46,108 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-10 02:50:46,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:46,125 INFO L225 Difference]: With dead ends: 115 [2019-09-10 02:50:46,125 INFO L226 Difference]: Without dead ends: 104 [2019-09-10 02:50:46,127 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:46,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2019-09-10 02:50:46,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2019-09-10 02:50:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-09-10 02:50:46,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2019-09-10 02:50:46,176 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 59 [2019-09-10 02:50:46,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:46,177 INFO L475 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2019-09-10 02:50:46,177 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2019-09-10 02:50:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-10 02:50:46,181 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:46,181 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:46,181 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:46,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:46,182 INFO L82 PathProgramCache]: Analyzing trace with hash -445277406, now seen corresponding path program 1 times [2019-09-10 02:50:46,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:46,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:46,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:46,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:46,184 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:50:46,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:46,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:46,355 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:46,358 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:46,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:46,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:46,359 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2019-09-10 02:50:46,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:46,376 INFO L93 Difference]: Finished difference Result 95 states and 108 transitions. [2019-09-10 02:50:46,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:46,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-10 02:50:46,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:46,379 INFO L225 Difference]: With dead ends: 95 [2019-09-10 02:50:46,379 INFO L226 Difference]: Without dead ends: 95 [2019-09-10 02:50:46,380 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:46,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-09-10 02:50:46,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-09-10 02:50:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-09-10 02:50:46,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2019-09-10 02:50:46,392 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 60 [2019-09-10 02:50:46,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:46,392 INFO L475 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2019-09-10 02:50:46,392 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:46,392 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2019-09-10 02:50:46,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-10 02:50:46,395 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:46,395 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:46,396 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:46,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:46,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1419491684, now seen corresponding path program 1 times [2019-09-10 02:50:46,396 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:46,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:46,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:46,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:46,398 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-10 02:50:46,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:46,575 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:50:46,576 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:46,576 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:50:46,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:50:46,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:50:46,577 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 7 states. [2019-09-10 02:50:46,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:46,955 INFO L93 Difference]: Finished difference Result 218 states and 260 transitions. [2019-09-10 02:50:46,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:50:46,956 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-09-10 02:50:46,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:46,960 INFO L225 Difference]: With dead ends: 218 [2019-09-10 02:50:46,960 INFO L226 Difference]: Without dead ends: 218 [2019-09-10 02:50:46,961 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:50:46,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-09-10 02:50:47,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 194. [2019-09-10 02:50:47,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-09-10 02:50:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 232 transitions. [2019-09-10 02:50:47,015 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 232 transitions. Word has length 65 [2019-09-10 02:50:47,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:47,016 INFO L475 AbstractCegarLoop]: Abstraction has 194 states and 232 transitions. [2019-09-10 02:50:47,016 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:50:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2019-09-10 02:50:47,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-09-10 02:50:47,023 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:47,024 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:47,026 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:47,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:47,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1359348090, now seen corresponding path program 1 times [2019-09-10 02:50:47,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:47,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:47,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:47,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:47,028 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-10 02:50:47,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:47,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:50:47,218 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:47,218 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:50:47,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:50:47,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:50:47,219 INFO L87 Difference]: Start difference. First operand 194 states and 232 transitions. Second operand 6 states. [2019-09-10 02:50:47,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:47,382 INFO L93 Difference]: Finished difference Result 178 states and 204 transitions. [2019-09-10 02:50:47,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:50:47,383 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-09-10 02:50:47,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:47,384 INFO L225 Difference]: With dead ends: 178 [2019-09-10 02:50:47,384 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:50:47,385 INFO L628 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 [2019-09-10 02:50:47,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:50:47,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:50:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:50:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:50:47,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-09-10 02:50:47,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:47,386 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:50:47,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:50:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:50:47,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:50:47,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:50:47 BoogieIcfgContainer [2019-09-10 02:50:47,393 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:50:47,399 INFO L168 Benchmark]: Toolchain (without parser) took 3735.56 ms. Allocated memory was 134.7 MB in the beginning and 257.4 MB in the end (delta: 122.7 MB). Free memory was 88.5 MB in the beginning and 196.1 MB in the end (delta: -107.6 MB). Peak memory consumption was 15.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:47,400 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:50:47,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.40 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 167.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:47,412 INFO L168 Benchmark]: Boogie Preprocessor took 111.70 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:47,414 INFO L168 Benchmark]: RCFGBuilder took 1081.92 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 163.0 MB in the beginning and 198.3 MB in the end (delta: -35.4 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:47,415 INFO L168 Benchmark]: TraceAbstraction took 1832.07 ms. Allocated memory was 229.1 MB in the beginning and 257.4 MB in the end (delta: 28.3 MB). Free memory was 198.3 MB in the beginning and 196.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:47,425 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 134.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 705.40 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 88.1 MB in the beginning and 167.3 MB in the end (delta: -79.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.70 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1081.92 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 163.0 MB in the beginning and 198.3 MB in the end (delta: -35.4 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1832.07 ms. Allocated memory was 229.1 MB in the beginning and 257.4 MB in the end (delta: 28.3 MB). Free memory was 198.3 MB in the beginning and 196.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 408]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 221 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 465 SDtfs, 225 SDslu, 795 SDs, 0 SdLazy, 218 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=3, 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 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...