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_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:47:11,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:47:11,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:47:11,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:47:11,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:47:11,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:47:11,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:47:11,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:47:11,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:47:11,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:47:11,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:47:11,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:47:11,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:47:11,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:47:11,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:47:11,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:47:11,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:47:11,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:47:11,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:47:11,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:47:11,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:47:11,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:47:11,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:47:11,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:47:11,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:47:11,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:47:11,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:47:11,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:47:11,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:47:11,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:47:11,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:47:11,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:47:11,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:47:11,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:47:11,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:47:11,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:47:11,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:47:11,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:47:11,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:47:11,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:47:11,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:47:11,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:47:11,185 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:47:11,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:47:11,185 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:47:11,186 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:47:11,186 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:47:11,187 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:47:11,187 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:47:11,187 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:47:11,187 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:47:11,187 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:47:11,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:47:11,188 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:47:11,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:47:11,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:47:11,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:47:11,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:47:11,189 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:47:11,189 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:47:11,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:47:11,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:47:11,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:47:11,190 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:47:11,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:47:11,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:47:11,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:47:11,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:47:11,191 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:47:11,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:47:11,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:47:11,192 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:47:11,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:47:11,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:47:11,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:47:11,240 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:47:11,240 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:47:11,241 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2019-09-10 02:47:11,320 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be50615bf/2396ccb8f60546c697da901d22445fd0/FLAGab85ab660 [2019-09-10 02:47:11,840 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:47:11,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2019-09-10 02:47:11,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be50615bf/2396ccb8f60546c697da901d22445fd0/FLAGab85ab660 [2019-09-10 02:47:12,148 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be50615bf/2396ccb8f60546c697da901d22445fd0 [2019-09-10 02:47:12,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:47:12,158 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:47:12,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:12,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:47:12,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:47:12,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:12" (1/1) ... [2019-09-10 02:47:12,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a39f893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12, skipping insertion in model container [2019-09-10 02:47:12,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:12" (1/1) ... [2019-09-10 02:47:12,176 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:47:12,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:47:12,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:12,659 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:47:12,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:12,821 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:47:12,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12 WrapperNode [2019-09-10 02:47:12,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:12,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:47:12,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:47:12,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:47:12,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12" (1/1) ... [2019-09-10 02:47:12,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12" (1/1) ... [2019-09-10 02:47:12,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12" (1/1) ... [2019-09-10 02:47:12,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12" (1/1) ... [2019-09-10 02:47:12,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12" (1/1) ... [2019-09-10 02:47:12,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12" (1/1) ... [2019-09-10 02:47:12,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12" (1/1) ... [2019-09-10 02:47:12,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:47:12,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:47:12,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:47:12,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:47:12,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:47:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:47:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:47:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:12,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:47:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:47:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:47:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:47:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:47:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:47:12,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:47:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:47:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:47:12,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:47:12,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:47:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:47:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-10 02:47:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:47:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:47:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:47:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:47:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:47:12,981 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:47:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:47:12,982 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:47:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:47:12,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:47:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:47:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:47:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:47:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:47:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:47:12,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:47:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:47:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:47:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:47:12,986 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:47:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:47:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:47:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:47:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:47:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:47:12,987 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:47:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:47:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:47:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:47:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:47:12,988 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:47:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:47:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:47:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:47:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:47:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:47:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:47:12,989 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:47:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-10 02:47:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:47:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:47:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:47:12,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:47:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:47:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:47:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:47:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:47:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:47:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:47:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:47:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:47:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:47:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:47:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:47:12,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:47:12,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:47:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:47:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:47:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:47:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:47:12,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:47:13,986 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:47:13,987 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:47:13,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:13 BoogieIcfgContainer [2019-09-10 02:47:13,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:47:13,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:47:13,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:47:13,994 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:47:13,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:47:12" (1/3) ... [2019-09-10 02:47:13,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd42db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:13, skipping insertion in model container [2019-09-10 02:47:13,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:12" (2/3) ... [2019-09-10 02:47:13,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd42db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:13, skipping insertion in model container [2019-09-10 02:47:13,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:13" (3/3) ... [2019-09-10 02:47:13,998 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2019-09-10 02:47:14,009 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:47:14,036 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:47:14,053 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:47:14,090 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:47:14,090 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:47:14,090 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:47:14,090 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:47:14,091 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:47:14,091 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:47:14,091 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:47:14,091 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:47:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-09-10 02:47:14,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:47:14,126 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:14,127 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:14,130 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:14,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:14,136 INFO L82 PathProgramCache]: Analyzing trace with hash -411226988, now seen corresponding path program 1 times [2019-09-10 02:47:14,138 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:14,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:14,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,190 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:14,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:14,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:14,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:47:14,499 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:14,505 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:14,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:14,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:14,523 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-09-10 02:47:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:14,561 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2019-09-10 02:47:14,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:14,562 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:47:14,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:14,578 INFO L225 Difference]: With dead ends: 96 [2019-09-10 02:47:14,578 INFO L226 Difference]: Without dead ends: 85 [2019-09-10 02:47:14,581 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:14,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-09-10 02:47:14,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-09-10 02:47:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-09-10 02:47:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2019-09-10 02:47:14,628 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2019-09-10 02:47:14,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:14,628 INFO L475 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2019-09-10 02:47:14,628 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:14,629 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2019-09-10 02:47:14,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:47:14,632 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:14,632 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:14,632 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:14,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:14,633 INFO L82 PathProgramCache]: Analyzing trace with hash -2028775312, now seen corresponding path program 1 times [2019-09-10 02:47:14,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:14,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:14,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,634 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:14,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:14,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:14,785 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:14,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:14,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:14,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:14,788 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 3 states. [2019-09-10 02:47:14,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:14,816 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2019-09-10 02:47:14,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:14,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:47:14,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:14,820 INFO L225 Difference]: With dead ends: 76 [2019-09-10 02:47:14,822 INFO L226 Difference]: Without dead ends: 76 [2019-09-10 02:47:14,823 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:14,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-09-10 02:47:14,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-09-10 02:47:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-09-10 02:47:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2019-09-10 02:47:14,844 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2019-09-10 02:47:14,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:14,846 INFO L475 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2019-09-10 02:47:14,846 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:14,846 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2019-09-10 02:47:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 02:47:14,851 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:14,851 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:14,852 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:14,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:14,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1248622688, now seen corresponding path program 1 times [2019-09-10 02:47:14,852 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:14,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:14,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,854 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:15,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:15,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:47:15,032 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:15,033 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:47:15,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:47:15,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:47:15,034 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 7 states. [2019-09-10 02:47:15,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:15,269 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2019-09-10 02:47:15,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:47:15,270 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-10 02:47:15,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:15,271 INFO L225 Difference]: With dead ends: 76 [2019-09-10 02:47:15,272 INFO L226 Difference]: Without dead ends: 76 [2019-09-10 02:47:15,272 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:47:15,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-09-10 02:47:15,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-09-10 02:47:15,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-09-10 02:47:15,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2019-09-10 02:47:15,280 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2019-09-10 02:47:15,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:15,280 INFO L475 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2019-09-10 02:47:15,281 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:47:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2019-09-10 02:47:15,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-09-10 02:47:15,283 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:15,283 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:15,283 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:15,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:15,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1945130529, now seen corresponding path program 1 times [2019-09-10 02:47:15,284 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:15,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:15,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:15,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:15,285 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:15,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:15,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:47:15,391 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:15,391 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:47:15,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:47:15,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:47:15,392 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 6 states. [2019-09-10 02:47:15,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:15,571 INFO L93 Difference]: Finished difference Result 121 states and 138 transitions. [2019-09-10 02:47:15,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:47:15,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-09-10 02:47:15,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:15,577 INFO L225 Difference]: With dead ends: 121 [2019-09-10 02:47:15,577 INFO L226 Difference]: Without dead ends: 121 [2019-09-10 02:47:15,578 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:47:15,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-09-10 02:47:15,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2019-09-10 02:47:15,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-09-10 02:47:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2019-09-10 02:47:15,609 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2019-09-10 02:47:15,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:15,610 INFO L475 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2019-09-10 02:47:15,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:47:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2019-09-10 02:47:15,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-10 02:47:15,613 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:15,613 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:15,615 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:15,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:15,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1872820635, now seen corresponding path program 1 times [2019-09-10 02:47:15,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:15,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:15,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:15,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:15,620 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:47:15,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:15,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:47:15,767 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:15,767 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:47:15,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:47:15,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:47:15,768 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 6 states. [2019-09-10 02:47:15,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:15,924 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2019-09-10 02:47:15,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:47:15,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-09-10 02:47:15,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:15,925 INFO L225 Difference]: With dead ends: 110 [2019-09-10 02:47:15,925 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:47:15,926 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:47:15,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:47:15,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:47:15,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:47:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:47:15,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2019-09-10 02:47:15,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:15,927 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:47:15,928 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:47:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:47:15,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:47:15,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:47:15 BoogieIcfgContainer [2019-09-10 02:47:15,935 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:47:15,939 INFO L168 Benchmark]: Toolchain (without parser) took 3779.68 ms. Allocated memory was 141.6 MB in the beginning and 255.3 MB in the end (delta: 113.8 MB). Free memory was 88.2 MB in the beginning and 189.7 MB in the end (delta: -101.6 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:15,940 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:47:15,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.63 ms. Allocated memory was 141.6 MB in the beginning and 199.8 MB in the end (delta: 58.2 MB). Free memory was 88.0 MB in the beginning and 166.5 MB in the end (delta: -78.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:15,942 INFO L168 Benchmark]: Boogie Preprocessor took 93.08 ms. Allocated memory is still 199.8 MB. Free memory was 166.5 MB in the beginning and 163.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:15,942 INFO L168 Benchmark]: RCFGBuilder took 1072.54 ms. Allocated memory is still 199.8 MB. Free memory was 162.4 MB in the beginning and 84.0 MB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:15,943 INFO L168 Benchmark]: TraceAbstraction took 1945.87 ms. Allocated memory was 199.8 MB in the beginning and 255.3 MB in the end (delta: 55.6 MB). Free memory was 83.4 MB in the beginning and 189.7 MB in the end (delta: -106.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:47:15,947 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 107.8 MB in the beginning and 107.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.63 ms. Allocated memory was 141.6 MB in the beginning and 199.8 MB in the end (delta: 58.2 MB). Free memory was 88.0 MB in the beginning and 166.5 MB in the end (delta: -78.6 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.08 ms. Allocated memory is still 199.8 MB. Free memory was 166.5 MB in the beginning and 163.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1072.54 ms. Allocated memory is still 199.8 MB. Free memory was 162.4 MB in the beginning and 84.0 MB in the end (delta: 78.4 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1945.87 ms. Allocated memory was 199.8 MB in the beginning and 255.3 MB in the end (delta: 55.6 MB). Free memory was 83.4 MB in the beginning and 189.7 MB in the end (delta: -106.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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 35 procedures, 198 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 440 SDtfs, 172 SDslu, 728 SDs, 0 SdLazy, 173 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred 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, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24632 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...