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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:31:17,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:31:17,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:31:17,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:31:17,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:31:17,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:31:17,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:31:17,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:31:17,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:31:17,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:31:17,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:31:17,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:31:17,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:31:17,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:31:17,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:31:17,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:31:17,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:31:17,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:31:17,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:31:17,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:31:17,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:31:17,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:31:17,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:31:17,847 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:31:17,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:31:17,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:31:17,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:31:17,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:31:17,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:31:17,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:31:17,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:31:17,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:31:17,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:31:17,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:31:17,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:31:17,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:31:17,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:31:17,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:31:17,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:31:17,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:31:17,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:31:17,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:31:17,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:31:17,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:31:17,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:31:17,892 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:31:17,893 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:31:17,893 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:31:17,894 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:31:17,894 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:31:17,894 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:31:17,894 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:31:17,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:31:17,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:31:17,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:31:17,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:31:17,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:31:17,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:31:17,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:31:17,898 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:31:17,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:31:17,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:31:17,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:31:17,899 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:31:17,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:31:17,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:17,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:31:17,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:31:17,900 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:31:17,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:31:17,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:31:17,901 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:31:17,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:31:17,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:31:17,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:31:17,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:31:17,977 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:31:17,978 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2019-09-20 13:31:18,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6298c8669/f448ddf925b243fdbd02134dc041d555/FLAGee659cc5b [2019-09-20 13:31:18,518 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:31:18,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2019-09-20 13:31:18,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6298c8669/f448ddf925b243fdbd02134dc041d555/FLAGee659cc5b [2019-09-20 13:31:18,846 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6298c8669/f448ddf925b243fdbd02134dc041d555 [2019-09-20 13:31:18,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:31:18,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:31:18,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:18,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:31:18,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:31:18,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:18" (1/1) ... [2019-09-20 13:31:18,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4186516b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:18, skipping insertion in model container [2019-09-20 13:31:18,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:18" (1/1) ... [2019-09-20 13:31:18,886 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:31:18,957 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:31:19,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:19,395 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:31:19,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:19,596 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:31:19,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19 WrapperNode [2019-09-20 13:31:19,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:19,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:31:19,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:31:19,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:31:19,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19" (1/1) ... [2019-09-20 13:31:19,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19" (1/1) ... [2019-09-20 13:31:19,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19" (1/1) ... [2019-09-20 13:31:19,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19" (1/1) ... [2019-09-20 13:31:19,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19" (1/1) ... [2019-09-20 13:31:19,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19" (1/1) ... [2019-09-20 13:31:19,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19" (1/1) ... [2019-09-20 13:31:19,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:31:19,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:31:19,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:31:19,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:31:19,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:31:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:31:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:31:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:31:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:31:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:31:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:31:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:31:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:31:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:31:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:31:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:31:19,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:31:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:31:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:31:19,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:31:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:31:19,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:31:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:31:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:31:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:31:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:31:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:31:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:31:19,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:31:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:31:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:31:19,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:31:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:31:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:31:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:31:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:31:19,744 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:31:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:31:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:19,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:31:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:31:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:31:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:31:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:31:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:31:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:31:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:31:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:31:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:31:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:31:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:31:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:31:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:31:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:31:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:31:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:31:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:31:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:31:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:31:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:31:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:31:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:31:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:31:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:31:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:31:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:31:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:31:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:31:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:31:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:31:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:31:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:31:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:31:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:31:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:31:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:31:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:31:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:31:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:31:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:31:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:31:19,757 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:31:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:31:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:31:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:31:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:31:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:31:20,824 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:31:20,824 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:31:20,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:20 BoogieIcfgContainer [2019-09-20 13:31:20,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:31:20,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:31:20,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:31:20,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:31:20,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:18" (1/3) ... [2019-09-20 13:31:20,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e78d3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:20, skipping insertion in model container [2019-09-20 13:31:20,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:19" (2/3) ... [2019-09-20 13:31:20,834 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e78d3e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:20, skipping insertion in model container [2019-09-20 13:31:20,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:20" (3/3) ... [2019-09-20 13:31:20,837 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product23.cil.c [2019-09-20 13:31:20,848 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:31:20,858 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:31:20,876 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:31:20,911 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:31:20,911 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:31:20,911 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:31:20,911 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:31:20,912 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:31:20,912 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:31:20,913 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:31:20,913 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:31:20,942 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2019-09-20 13:31:20,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:31:20,961 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:20,962 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:20,965 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:20,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:20,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1236267366, now seen corresponding path program 1 times [2019-09-20 13:31:20,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:21,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:21,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:21,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:21,033 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:21,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:21,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:21,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:31:21,349 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:21,356 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:31:21,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:31:21,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:21,378 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2019-09-20 13:31:21,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:21,424 INFO L93 Difference]: Finished difference Result 149 states and 175 transitions. [2019-09-20 13:31:21,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:31:21,432 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:31:21,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:21,445 INFO L225 Difference]: With dead ends: 149 [2019-09-20 13:31:21,445 INFO L226 Difference]: Without dead ends: 138 [2019-09-20 13:31:21,447 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:21,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-20 13:31:21,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-09-20 13:31:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-20 13:31:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2019-09-20 13:31:21,498 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 59 [2019-09-20 13:31:21,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:21,498 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2019-09-20 13:31:21,498 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:31:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2019-09-20 13:31:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:31:21,503 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:21,503 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:21,503 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:21,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:21,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1329749238, now seen corresponding path program 1 times [2019-09-20 13:31:21,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:21,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:21,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:21,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:21,508 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:21,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:21,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:21,676 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:21,677 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:21,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:21,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:21,678 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand 7 states. [2019-09-20 13:31:22,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:22,268 INFO L93 Difference]: Finished difference Result 313 states and 382 transitions. [2019-09-20 13:31:22,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:31:22,268 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-09-20 13:31:22,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:22,274 INFO L225 Difference]: With dead ends: 313 [2019-09-20 13:31:22,275 INFO L226 Difference]: Without dead ends: 313 [2019-09-20 13:31:22,276 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:31:22,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-09-20 13:31:22,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 305. [2019-09-20 13:31:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2019-09-20 13:31:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 376 transitions. [2019-09-20 13:31:22,344 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 376 transitions. Word has length 64 [2019-09-20 13:31:22,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:22,345 INFO L475 AbstractCegarLoop]: Abstraction has 305 states and 376 transitions. [2019-09-20 13:31:22,345 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 376 transitions. [2019-09-20 13:31:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:31:22,359 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:22,359 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:22,360 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:22,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:22,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1748224400, now seen corresponding path program 1 times [2019-09-20 13:31:22,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:22,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:22,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:22,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:22,366 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:31:22,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:22,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:22,601 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:22,602 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:22,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:22,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:22,603 INFO L87 Difference]: Start difference. First operand 305 states and 376 transitions. Second operand 7 states. [2019-09-20 13:31:22,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:22,958 INFO L93 Difference]: Finished difference Result 225 states and 264 transitions. [2019-09-20 13:31:22,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:31:22,959 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-09-20 13:31:22,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:22,960 INFO L225 Difference]: With dead ends: 225 [2019-09-20 13:31:22,960 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:31:22,960 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:31:22,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:31:22,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:31:22,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:31:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:31:22,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2019-09-20 13:31:22,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:22,962 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:31:22,962 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:22,962 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:31:22,962 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:31:22,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:22 BoogieIcfgContainer [2019-09-20 13:31:22,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:31:22,971 INFO L168 Benchmark]: Toolchain (without parser) took 4108.80 ms. Allocated memory was 131.1 MB in the beginning and 266.9 MB in the end (delta: 135.8 MB). Free memory was 84.5 MB in the beginning and 169.2 MB in the end (delta: -84.8 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:22,972 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 131.1 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:31:22,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.93 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 84.3 MB in the beginning and 163.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:22,974 INFO L168 Benchmark]: Boogie Preprocessor took 82.31 ms. Allocated memory is still 199.2 MB. Free memory was 163.7 MB in the beginning and 159.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:22,975 INFO L168 Benchmark]: RCFGBuilder took 1146.19 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 159.2 MB in the beginning and 189.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:22,976 INFO L168 Benchmark]: TraceAbstraction took 2140.38 ms. Allocated memory was 219.7 MB in the beginning and 266.9 MB in the end (delta: 47.2 MB). Free memory was 187.7 MB in the beginning and 169.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:22,980 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 131.1 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 730.93 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 84.3 MB in the beginning and 163.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.31 ms. Allocated memory is still 199.2 MB. Free memory was 163.7 MB in the beginning and 159.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1146.19 ms. Allocated memory was 199.2 MB in the beginning and 219.7 MB in the end (delta: 20.4 MB). Free memory was 159.2 MB in the beginning and 189.0 MB in the end (delta: -29.8 MB). Peak memory consumption was 93.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2140.38 ms. Allocated memory was 219.7 MB in the beginning and 266.9 MB in the end (delta: 47.2 MB). Free memory was 187.7 MB in the beginning and 169.2 MB in the end (delta: 18.4 MB). Peak memory consumption was 65.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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 41 procedures, 240 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 3 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 477 SDtfs, 379 SDslu, 863 SDs, 0 SdLazy, 459 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=2, 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, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 22489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...