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_spec1_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:47:18,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:47:18,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:47:18,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:47:18,727 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:47:18,728 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:47:18,730 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:47:18,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:47:18,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:47:18,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:47:18,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:47:18,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:47:18,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:47:18,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:47:18,739 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:47:18,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:47:18,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:47:18,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:47:18,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:47:18,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:47:18,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:47:18,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:47:18,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:47:18,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:47:18,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:47:18,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:47:18,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:47:18,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:47:18,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:47:18,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:47:18,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:47:18,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:47:18,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:47:18,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:47:18,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:47:18,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:47:18,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:47:18,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:47:18,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:47:18,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:47:18,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:47:18,764 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 02:47:18,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:47:18,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:47:18,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:47:18,781 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:47:18,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:47:18,782 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:47:18,782 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:47:18,782 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:47:18,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:47:18,783 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:47:18,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:47:18,783 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:47:18,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:47:18,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:47:18,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:47:18,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:47:18,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:47:18,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:47:18,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:47:18,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:47:18,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:47:18,785 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:47:18,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:47:18,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:47:18,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:47:18,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:47:18,787 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:47:18,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:47:18,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:47:18,787 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:47:18,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:47:18,830 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:47:18,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:47:18,835 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:47:18,836 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:47:18,836 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-09-10 02:47:18,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9613ad4de/62b1c4aaccc343eabd38406eb4b51ec2/FLAG1c5de8be1 [2019-09-10 02:47:19,497 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:47:19,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product07.cil.c [2019-09-10 02:47:19,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9613ad4de/62b1c4aaccc343eabd38406eb4b51ec2/FLAG1c5de8be1 [2019-09-10 02:47:19,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9613ad4de/62b1c4aaccc343eabd38406eb4b51ec2 [2019-09-10 02:47:19,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:47:19,732 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:47:19,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:19,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:47:19,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:47:19,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f59eba1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:19, skipping insertion in model container [2019-09-10 02:47:19,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:19" (1/1) ... [2019-09-10 02:47:19,748 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:47:19,798 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:47:20,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:20,233 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:47:20,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:20,376 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:47:20,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20 WrapperNode [2019-09-10 02:47:20,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:20,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:47:20,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:47:20,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:47:20,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20" (1/1) ... [2019-09-10 02:47:20,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20" (1/1) ... [2019-09-10 02:47:20,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20" (1/1) ... [2019-09-10 02:47:20,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20" (1/1) ... [2019-09-10 02:47:20,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20" (1/1) ... [2019-09-10 02:47:20,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20" (1/1) ... [2019-09-10 02:47:20,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20" (1/1) ... [2019-09-10 02:47:20,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:47:20,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:47:20,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:47:20,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:47:20,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20" (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 02:47:20,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:47:20,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:47:20,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:20,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:47:20,554 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:47:20,554 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:47:20,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:47:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:47:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:47:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:47:20,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:47:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:47:20,556 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:47:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:47:20,557 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:47:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:47:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:47:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:47:20,558 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:47:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-10 02:47:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:47:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:47:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:47:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:47:20,559 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:47:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:47:20,560 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:47:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:47:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:47:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:47:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:47:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:47:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:47:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:47:20,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:47:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:47:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:47:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:47:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:47:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:47:20,563 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:47:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:47:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:47:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:47:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:47:20,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:47:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:47:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:47:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:47:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:47:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-10 02:47:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:47:20,565 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:47:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:47:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:47:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:47:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:47:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:47:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:47:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:47:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:47:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:47:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:47:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:47:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:47:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:47:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:47:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:47:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:47:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:47:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:47:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:47:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:47:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:47:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:47:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:47:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:47:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:47:20,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:47:21,572 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:47:21,573 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:47:21,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:21 BoogieIcfgContainer [2019-09-10 02:47:21,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:47:21,576 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:47:21,576 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:47:21,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:47:21,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:47:19" (1/3) ... [2019-09-10 02:47:21,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e17e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:21, skipping insertion in model container [2019-09-10 02:47:21,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:20" (2/3) ... [2019-09-10 02:47:21,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e17e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:21, skipping insertion in model container [2019-09-10 02:47:21,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:21" (3/3) ... [2019-09-10 02:47:21,586 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07.cil.c [2019-09-10 02:47:21,597 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:47:21,607 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:47:21,625 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:47:21,687 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:47:21,687 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:47:21,688 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:47:21,688 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:47:21,688 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:47:21,689 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:47:21,689 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:47:21,689 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:47:21,712 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-09-10 02:47:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:47:21,725 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:21,726 INFO L399 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] [2019-09-10 02:47:21,728 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:21,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:21,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1594153299, now seen corresponding path program 1 times [2019-09-10 02:47:21,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:21,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:21,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:21,785 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:22,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:22,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:47:22,077 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:22,083 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:22,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:22,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:22,103 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2019-09-10 02:47:22,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:22,145 INFO L93 Difference]: Finished difference Result 116 states and 136 transitions. [2019-09-10 02:47:22,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:22,147 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:47:22,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:22,162 INFO L225 Difference]: With dead ends: 116 [2019-09-10 02:47:22,162 INFO L226 Difference]: Without dead ends: 105 [2019-09-10 02:47:22,164 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 02:47:22,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2019-09-10 02:47:22,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2019-09-10 02:47:22,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-09-10 02:47:22,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2019-09-10 02:47:22,218 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2019-09-10 02:47:22,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:22,219 INFO L475 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2019-09-10 02:47:22,219 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:22,219 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2019-09-10 02:47:22,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:47:22,223 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:22,223 INFO L399 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] [2019-09-10 02:47:22,224 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:22,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:22,224 INFO L82 PathProgramCache]: Analyzing trace with hash -2039771295, now seen corresponding path program 1 times [2019-09-10 02:47:22,224 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:22,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:22,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:22,226 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:22,226 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:22,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:22,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:22,383 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:22,384 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:22,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:22,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:22,386 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 3 states. [2019-09-10 02:47:22,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:22,403 INFO L93 Difference]: Finished difference Result 96 states and 112 transitions. [2019-09-10 02:47:22,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:22,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:47:22,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:22,408 INFO L225 Difference]: With dead ends: 96 [2019-09-10 02:47:22,408 INFO L226 Difference]: Without dead ends: 96 [2019-09-10 02:47:22,409 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 02:47:22,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-10 02:47:22,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-09-10 02:47:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-09-10 02:47:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2019-09-10 02:47:22,421 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2019-09-10 02:47:22,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:22,422 INFO L475 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2019-09-10 02:47:22,422 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:22,422 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2019-09-10 02:47:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-10 02:47:22,424 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:22,424 INFO L399 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] [2019-09-10 02:47:22,425 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:22,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:22,425 INFO L82 PathProgramCache]: Analyzing trace with hash 790886080, now seen corresponding path program 1 times [2019-09-10 02:47:22,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:22,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:22,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:22,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:22,427 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:22,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:22,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:47:22,586 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:22,587 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:47:22,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:47:22,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:47:22,588 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 7 states. [2019-09-10 02:47:23,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:23,009 INFO L93 Difference]: Finished difference Result 218 states and 262 transitions. [2019-09-10 02:47:23,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:47:23,010 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-10 02:47:23,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:23,014 INFO L225 Difference]: With dead ends: 218 [2019-09-10 02:47:23,014 INFO L226 Difference]: Without dead ends: 218 [2019-09-10 02:47:23,015 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:47:23,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2019-09-10 02:47:23,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 210. [2019-09-10 02:47:23,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-10 02:47:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2019-09-10 02:47:23,042 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51 [2019-09-10 02:47:23,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:23,042 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2019-09-10 02:47:23,042 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:47:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2019-09-10 02:47:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-10 02:47:23,045 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:23,046 INFO L399 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] [2019-09-10 02:47:23,046 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:23,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1905735507, now seen corresponding path program 1 times [2019-09-10 02:47:23,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:23,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:23,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:23,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:23,048 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:23,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:23,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:23,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:47:23,161 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:23,161 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:47:23,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:47:23,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:47:23,162 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 6 states. [2019-09-10 02:47:23,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:23,391 INFO L93 Difference]: Finished difference Result 381 states and 468 transitions. [2019-09-10 02:47:23,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:47:23,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-10 02:47:23,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:23,397 INFO L225 Difference]: With dead ends: 381 [2019-09-10 02:47:23,397 INFO L226 Difference]: Without dead ends: 381 [2019-09-10 02:47:23,397 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 02:47:23,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-09-10 02:47:23,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2019-09-10 02:47:23,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-09-10 02:47:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions. [2019-09-10 02:47:23,435 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57 [2019-09-10 02:47:23,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:23,436 INFO L475 AbstractCegarLoop]: Abstraction has 375 states and 462 transitions. [2019-09-10 02:47:23,436 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:47:23,436 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions. [2019-09-10 02:47:23,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-10 02:47:23,440 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:23,440 INFO L399 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] [2019-09-10 02:47:23,440 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:23,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:23,441 INFO L82 PathProgramCache]: Analyzing trace with hash 718604337, now seen corresponding path program 1 times [2019-09-10 02:47:23,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:23,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:23,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:23,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:23,442 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:23,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:23,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:47:23,558 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:23,558 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:47:23,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:47:23,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:47:23,561 INFO L87 Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 6 states. [2019-09-10 02:47:23,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:23,813 INFO L93 Difference]: Finished difference Result 290 states and 337 transitions. [2019-09-10 02:47:23,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:47:23,815 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-09-10 02:47:23,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:23,815 INFO L225 Difference]: With dead ends: 290 [2019-09-10 02:47:23,815 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:47:23,816 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 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 02:47:23,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:47:23,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:47:23,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:47:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:47:23,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-09-10 02:47:23,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:23,817 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:47:23,817 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:47:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:47:23,817 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:47:23,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:47:23 BoogieIcfgContainer [2019-09-10 02:47:23,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:47:23,827 INFO L168 Benchmark]: Toolchain (without parser) took 4093.38 ms. Allocated memory was 136.3 MB in the beginning and 259.0 MB in the end (delta: 122.7 MB). Free memory was 88.2 MB in the beginning and 169.2 MB in the end (delta: -81.0 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,828 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.45 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 88.0 MB in the beginning and 168.8 MB in the end (delta: -80.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,830 INFO L168 Benchmark]: Boogie Preprocessor took 115.01 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,830 INFO L168 Benchmark]: RCFGBuilder took 1081.47 ms. Allocated memory is still 201.3 MB. Free memory was 164.6 MB in the beginning and 84.6 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:23,831 INFO L168 Benchmark]: TraceAbstraction took 2247.84 ms. Allocated memory was 201.3 MB in the beginning and 259.0 MB in the end (delta: 57.7 MB). Free memory was 84.0 MB in the beginning and 169.2 MB in the end (delta: -85.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:47:23,835 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 136.3 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.45 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 88.0 MB in the beginning and 168.8 MB in the end (delta: -80.9 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.01 ms. Allocated memory is still 201.3 MB. Free memory was 168.8 MB in the beginning and 164.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1081.47 ms. Allocated memory is still 201.3 MB. Free memory was 164.6 MB in the beginning and 84.6 MB in the end (delta: 80.0 MB). Peak memory consumption was 80.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2247.84 ms. Allocated memory was 201.3 MB in the beginning and 259.0 MB in the end (delta: 57.7 MB). Free memory was 84.0 MB in the beginning and 169.2 MB in the end (delta: -85.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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 36 procedures, 210 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 598 SDtfs, 323 SDslu, 1208 SDs, 0 SdLazy, 288 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred in iteration=4, 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, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 22527 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...