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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:07:44,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:07:44,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:07:44,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:07:44,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:07:44,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:07:44,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:07:44,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:07:44,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:07:44,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:07:44,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:07:44,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:07:44,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:07:44,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:07:44,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:07:44,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:07:44,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:07:44,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:07:44,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:07:44,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:07:44,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:07:44,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:07:44,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:07:44,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:07:44,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 17:07:44,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 17:07:44,083 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 17:07:44,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 17:07:44,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 17:07:44,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 17:07:44,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:07:44,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:07:44,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:07:44,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:07:44,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:07:44,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:07:44,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:07:44,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:07:44,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:07:44,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:07:44,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:07:44,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-16 17:07:44,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:07:44,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:07:44,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:07:44,128 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:07:44,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:07:44,129 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:07:44,129 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:07:44,129 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:07:44,129 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:07:44,130 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:07:44,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:07:44,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:07:44,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:07:44,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:07:44,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:07:44,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:07:44,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:07:44,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:07:44,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:07:44,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:07:44,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:07:44,136 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:07:44,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:07:44,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:44,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:07:44,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:07:44,137 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:07:44,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:07:44,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:07:44,137 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:07:44,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:07:44,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:07:44,217 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:07:44,219 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:07:44,222 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:07:44,223 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2019-09-16 17:07:44,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963af85ff/f3daf718ff2e4988a733a83332ea683f/FLAG57311a47d [2019-09-16 17:07:44,858 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:07:44,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product13.cil.c [2019-09-16 17:07:44,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963af85ff/f3daf718ff2e4988a733a83332ea683f/FLAG57311a47d [2019-09-16 17:07:45,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/963af85ff/f3daf718ff2e4988a733a83332ea683f [2019-09-16 17:07:45,187 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:07:45,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:07:45,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:45,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:07:45,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:07:45,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:45" (1/1) ... [2019-09-16 17:07:45,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b50909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45, skipping insertion in model container [2019-09-16 17:07:45,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:07:45" (1/1) ... [2019-09-16 17:07:45,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:07:45,265 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:07:45,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:45,703 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:07:45,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:07:45,867 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:07:45,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45 WrapperNode [2019-09-16 17:07:45,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:07:45,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:07:45,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:07:45,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:07:45,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45" (1/1) ... [2019-09-16 17:07:45,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45" (1/1) ... [2019-09-16 17:07:45,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45" (1/1) ... [2019-09-16 17:07:45,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45" (1/1) ... [2019-09-16 17:07:45,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45" (1/1) ... [2019-09-16 17:07:45,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45" (1/1) ... [2019-09-16 17:07:45,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45" (1/1) ... [2019-09-16 17:07:45,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:07:45,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:07:45,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:07:45,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:07:45,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:07:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:07:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:07:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:46,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 17:07:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 17:07:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 17:07:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 17:07:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 17:07:46,045 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 17:07:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 17:07:46,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 17:07:46,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 17:07:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 17:07:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 17:07:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 17:07:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 17:07:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 17:07:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 17:07:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 17:07:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 17:07:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 17:07:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:07:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-16 17:07:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 17:07:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 17:07:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 17:07:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 17:07:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2019-09-16 17:07:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 17:07:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 17:07:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 17:07:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 17:07:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 17:07:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:07:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:07:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 17:07:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 17:07:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:07:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 17:07:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 17:07:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:07:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 17:07:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:07:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 17:07:46,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 17:07:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:07:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 17:07:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 17:07:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:07:46,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 17:07:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 17:07:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 17:07:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 17:07:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 17:07:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 17:07:46,057 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 17:07:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 17:07:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 17:07:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 17:07:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 17:07:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 17:07:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 17:07:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 17:07:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 17:07:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 17:07:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 17:07:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 17:07:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 17:07:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 17:07:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 17:07:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 17:07:46,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:07:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 17:07:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-16 17:07:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 17:07:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 17:07:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 17:07:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-16 17:07:46,063 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 17:07:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2019-09-16 17:07:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:07:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 17:07:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:07:47,271 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:07:47,272 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 17:07:47,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:47 BoogieIcfgContainer [2019-09-16 17:07:47,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:07:47,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 17:07:47,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 17:07:47,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 17:07:47,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 05:07:45" (1/3) ... [2019-09-16 17:07:47,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d63b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:47, skipping insertion in model container [2019-09-16 17:07:47,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:07:45" (2/3) ... [2019-09-16 17:07:47,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d63b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 05:07:47, skipping insertion in model container [2019-09-16 17:07:47,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:07:47" (3/3) ... [2019-09-16 17:07:47,286 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2019-09-16 17:07:47,297 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 17:07:47,309 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 17:07:47,343 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 17:07:47,370 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 17:07:47,370 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-16 17:07:47,370 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 17:07:47,371 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 17:07:47,371 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 17:07:47,371 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 17:07:47,371 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 17:07:47,371 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 17:07:47,402 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2019-09-16 17:07:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 17:07:47,417 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:47,418 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:47,422 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:47,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:47,427 INFO L82 PathProgramCache]: Analyzing trace with hash -655314602, now seen corresponding path program 1 times [2019-09-16 17:07:47,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:47,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:47,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:47,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:47,481 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:47,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:47,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 17:07:47,843 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:47,849 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 17:07:47,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 17:07:47,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:47,866 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2019-09-16 17:07:47,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:47,893 INFO L93 Difference]: Finished difference Result 110 states and 128 transitions. [2019-09-16 17:07:47,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 17:07:47,895 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 17:07:47,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:47,907 INFO L225 Difference]: With dead ends: 110 [2019-09-16 17:07:47,908 INFO L226 Difference]: Without dead ends: 99 [2019-09-16 17:07:47,910 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 17:07:47,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2019-09-16 17:07:47,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-09-16 17:07:47,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-09-16 17:07:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2019-09-16 17:07:47,970 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2019-09-16 17:07:47,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:47,971 INFO L475 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2019-09-16 17:07:47,971 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 17:07:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2019-09-16 17:07:47,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 17:07:47,975 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:47,975 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:47,975 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:47,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:47,976 INFO L82 PathProgramCache]: Analyzing trace with hash 680244835, now seen corresponding path program 1 times [2019-09-16 17:07:47,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:47,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:47,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:47,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:47,979 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:48,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:48,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:07:48,141 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:48,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:07:48,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:07:48,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:07:48,145 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 3 states. [2019-09-16 17:07:48,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:48,172 INFO L93 Difference]: Finished difference Result 90 states and 104 transitions. [2019-09-16 17:07:48,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:07:48,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 17:07:48,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:48,177 INFO L225 Difference]: With dead ends: 90 [2019-09-16 17:07:48,178 INFO L226 Difference]: Without dead ends: 90 [2019-09-16 17:07:48,179 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:07:48,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-09-16 17:07:48,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-09-16 17:07:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-09-16 17:07:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2019-09-16 17:07:48,199 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2019-09-16 17:07:48,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:48,200 INFO L475 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2019-09-16 17:07:48,200 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:07:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2019-09-16 17:07:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-16 17:07:48,205 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:48,205 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:48,206 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:48,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:48,208 INFO L82 PathProgramCache]: Analyzing trace with hash -361884353, now seen corresponding path program 1 times [2019-09-16 17:07:48,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:48,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:48,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:48,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:48,211 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:48,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:48,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 17:07:48,352 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:48,353 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 17:07:48,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 17:07:48,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:07:48,353 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2019-09-16 17:07:48,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:48,381 INFO L93 Difference]: Finished difference Result 90 states and 103 transitions. [2019-09-16 17:07:48,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 17:07:48,381 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-16 17:07:48,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:48,383 INFO L225 Difference]: With dead ends: 90 [2019-09-16 17:07:48,383 INFO L226 Difference]: Without dead ends: 90 [2019-09-16 17:07:48,384 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 17:07:48,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-09-16 17:07:48,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-09-16 17:07:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-09-16 17:07:48,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2019-09-16 17:07:48,399 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2019-09-16 17:07:48,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:48,400 INFO L475 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2019-09-16 17:07:48,402 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 17:07:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2019-09-16 17:07:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-16 17:07:48,409 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:48,409 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:48,410 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:48,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:48,410 INFO L82 PathProgramCache]: Analyzing trace with hash -670224991, now seen corresponding path program 1 times [2019-09-16 17:07:48,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:48,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:48,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:48,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:48,414 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:48,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:48,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:48,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 17:07:48,579 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:48,579 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 17:07:48,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 17:07:48,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 17:07:48,580 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 6 states. [2019-09-16 17:07:48,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:48,799 INFO L93 Difference]: Finished difference Result 149 states and 174 transitions. [2019-09-16 17:07:48,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:07:48,799 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-09-16 17:07:48,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:48,803 INFO L225 Difference]: With dead ends: 149 [2019-09-16 17:07:48,803 INFO L226 Difference]: Without dead ends: 149 [2019-09-16 17:07:48,804 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-16 17:07:48,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-09-16 17:07:48,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2019-09-16 17:07:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-16 17:07:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2019-09-16 17:07:48,821 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2019-09-16 17:07:48,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:48,822 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2019-09-16 17:07:48,822 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 17:07:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2019-09-16 17:07:48,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-09-16 17:07:48,824 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 17:07:48,824 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 17:07:48,825 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 17:07:48,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 17:07:48,825 INFO L82 PathProgramCache]: Analyzing trace with hash 38376037, now seen corresponding path program 1 times [2019-09-16 17:07:48,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-16 17:07:48,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:48,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 17:07:48,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 17:07:48,829 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-16 17:07:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 17:07:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 17:07:49,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 17:07:49,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 17:07:49,001 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-16 17:07:49,002 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 17:07:49,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 17:07:49,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 17:07:49,002 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2019-09-16 17:07:49,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 17:07:49,321 INFO L93 Difference]: Finished difference Result 112 states and 125 transitions. [2019-09-16 17:07:49,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 17:07:49,321 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-09-16 17:07:49,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 17:07:49,322 INFO L225 Difference]: With dead ends: 112 [2019-09-16 17:07:49,322 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 17:07:49,323 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 [2019-09-16 17:07:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 17:07:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 17:07:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 17:07:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 17:07:49,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2019-09-16 17:07:49,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 17:07:49,326 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 17:07:49,326 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 17:07:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 17:07:49,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 17:07:49,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 05:07:49 BoogieIcfgContainer [2019-09-16 17:07:49,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 17:07:49,336 INFO L168 Benchmark]: Toolchain (without parser) took 4145.56 ms. Allocated memory was 132.1 MB in the beginning and 265.8 MB in the end (delta: 133.7 MB). Free memory was 84.8 MB in the beginning and 194.1 MB in the end (delta: -109.2 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:49,338 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 132.1 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:07:49,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.37 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 165.2 MB in the end (delta: -80.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:49,343 INFO L168 Benchmark]: Boogie Preprocessor took 103.62 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 160.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:49,344 INFO L168 Benchmark]: RCFGBuilder took 1301.42 ms. Allocated memory is still 199.2 MB. Free memory was 160.8 MB in the beginning and 78.0 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:07:49,346 INFO L168 Benchmark]: TraceAbstraction took 2056.85 ms. Allocated memory was 199.2 MB in the beginning and 265.8 MB in the end (delta: 66.6 MB). Free memory was 78.0 MB in the beginning and 194.1 MB in the end (delta: -116.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:07:49,358 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 132.1 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.37 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 165.2 MB in the end (delta: -80.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.62 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 160.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1301.42 ms. Allocated memory is still 199.2 MB. Free memory was 160.8 MB in the beginning and 78.0 MB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2056.85 ms. Allocated memory was 199.2 MB in the beginning and 265.8 MB in the end (delta: 66.6 MB). Free memory was 78.0 MB in the beginning and 194.1 MB in the end (delta: -116.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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, 211 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 506 SDtfs, 223 SDslu, 560 SDs, 0 SdLazy, 211 SolverSat, 49 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 25229 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...