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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:29:24,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:24,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:24,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:24,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:24,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:24,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:24,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:24,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:24,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:24,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:24,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:24,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:24,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:24,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:24,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:24,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:24,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:24,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:24,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:24,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:24,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:24,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:24,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:24,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:24,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:24,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:24,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:24,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:24,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:24,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:24,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:24,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:24,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:24,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:24,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:24,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:24,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:24,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:24,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:24,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:24,359 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:29:24,382 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:24,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:24,385 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:24,385 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:24,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:24,386 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:24,387 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:24,387 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:24,387 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:24,387 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:24,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:24,388 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:24,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:24,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:24,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:24,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:24,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:24,390 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:24,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:24,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:24,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:24,391 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:24,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:24,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:24,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:24,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:24,392 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:24,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:24,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:24,393 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:24,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:24,436 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:24,439 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:24,441 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:24,441 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:24,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2019-09-20 13:29:24,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6669ba5ee/360a8617ebde42f682083f5d87021164/FLAG861451491 [2019-09-20 13:29:25,061 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:25,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2019-09-20 13:29:25,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6669ba5ee/360a8617ebde42f682083f5d87021164/FLAG861451491 [2019-09-20 13:29:25,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6669ba5ee/360a8617ebde42f682083f5d87021164 [2019-09-20 13:29:25,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:25,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:25,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:25,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:25,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:25,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:25" (1/1) ... [2019-09-20 13:29:25,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@578fa4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:25, skipping insertion in model container [2019-09-20 13:29:25,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:25" (1/1) ... [2019-09-20 13:29:25,403 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:25,458 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:25,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:25,896 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:25,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:26,008 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:26,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26 WrapperNode [2019-09-20 13:29:26,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:26,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:26,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:26,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:26,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26" (1/1) ... [2019-09-20 13:29:26,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26" (1/1) ... [2019-09-20 13:29:26,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26" (1/1) ... [2019-09-20 13:29:26,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26" (1/1) ... [2019-09-20 13:29:26,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26" (1/1) ... [2019-09-20 13:29:26,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26" (1/1) ... [2019-09-20 13:29:26,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26" (1/1) ... [2019-09-20 13:29:26,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:26,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:26,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:26,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:26,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:29:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:29:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:29:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:29:26,173 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:29:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:29:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:29:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:29:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:29:26,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:29:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:29:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:29:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:29:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:29:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:29:26,175 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:29:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:29:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:29:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:29:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:29:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:29:26,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:29:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:29:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:29:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:29:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:29:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:29:26,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:29:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:26,178 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:29:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:29:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:29:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:29:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:29:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:29:26,179 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:29:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:29:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:29:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:29:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:29:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:29:26,180 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:29:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:29:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:29:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:29:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:29:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:29:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:29:26,181 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:29:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:29:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:29:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:29:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:29:26,182 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:29:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:29:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:29:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:26,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:26,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:29:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:29:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:29:26,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:29:26,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:27,183 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:27,184 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:29:27,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:27 BoogieIcfgContainer [2019-09-20 13:29:27,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:27,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:27,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:27,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:27,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:25" (1/3) ... [2019-09-20 13:29:27,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b670cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:27, skipping insertion in model container [2019-09-20 13:29:27,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:26" (2/3) ... [2019-09-20 13:29:27,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b670cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:27, skipping insertion in model container [2019-09-20 13:29:27,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:27" (3/3) ... [2019-09-20 13:29:27,197 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2019-09-20 13:29:27,208 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:27,218 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:29:27,235 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:29:27,265 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:27,265 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:27,265 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:27,266 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:27,266 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:27,266 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:27,267 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:27,267 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:27,294 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2019-09-20 13:29:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:29:27,329 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:27,330 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] [2019-09-20 13:29:27,332 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:27,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:27,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1488417234, now seen corresponding path program 1 times [2019-09-20 13:29:27,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:27,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:27,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,400 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:27,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:27,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:27,724 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:27,729 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:27,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:27,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:27,748 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2019-09-20 13:29:27,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:27,774 INFO L93 Difference]: Finished difference Result 101 states and 116 transitions. [2019-09-20 13:29:27,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:27,776 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:29:27,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:27,787 INFO L225 Difference]: With dead ends: 101 [2019-09-20 13:29:27,787 INFO L226 Difference]: Without dead ends: 90 [2019-09-20 13:29:27,789 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:27,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-09-20 13:29:27,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2019-09-20 13:29:27,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-09-20 13:29:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2019-09-20 13:29:27,868 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2019-09-20 13:29:27,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:27,876 INFO L475 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2019-09-20 13:29:27,877 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2019-09-20 13:29:27,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:29:27,881 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:27,882 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] [2019-09-20 13:29:27,882 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:27,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:27,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2143810688, now seen corresponding path program 1 times [2019-09-20 13:29:27,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:27,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:27,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,886 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:28,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:28,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:28,035 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:28,037 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:28,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:28,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:28,038 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2019-09-20 13:29:28,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:28,061 INFO L93 Difference]: Finished difference Result 81 states and 92 transitions. [2019-09-20 13:29:28,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:28,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:29:28,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:28,065 INFO L225 Difference]: With dead ends: 81 [2019-09-20 13:29:28,066 INFO L226 Difference]: Without dead ends: 81 [2019-09-20 13:29:28,066 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 [2019-09-20 13:29:28,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2019-09-20 13:29:28,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2019-09-20 13:29:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2019-09-20 13:29:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2019-09-20 13:29:28,074 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2019-09-20 13:29:28,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:28,075 INFO L475 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2019-09-20 13:29:28,075 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2019-09-20 13:29:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:29:28,077 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:28,077 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] [2019-09-20 13:29:28,078 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:28,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:28,078 INFO L82 PathProgramCache]: Analyzing trace with hash -410922651, now seen corresponding path program 1 times [2019-09-20 13:29:28,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:28,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:28,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:28,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:28,082 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:28,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:28,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:28,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:29:28,245 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:28,246 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:29:28,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:29:28,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:29:28,247 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 7 states. [2019-09-20 13:29:28,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:28,645 INFO L93 Difference]: Finished difference Result 188 states and 222 transitions. [2019-09-20 13:29:28,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:29:28,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-20 13:29:28,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:28,658 INFO L225 Difference]: With dead ends: 188 [2019-09-20 13:29:28,661 INFO L226 Difference]: Without dead ends: 188 [2019-09-20 13:29:28,662 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:29:28,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-09-20 13:29:28,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 168. [2019-09-20 13:29:28,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-09-20 13:29:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2019-09-20 13:29:28,705 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2019-09-20 13:29:28,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:28,705 INFO L475 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2019-09-20 13:29:28,705 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:29:28,705 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2019-09-20 13:29:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-09-20 13:29:28,708 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:28,708 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] [2019-09-20 13:29:28,709 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:28,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:28,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1230938851, now seen corresponding path program 1 times [2019-09-20 13:29:28,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:28,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:28,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:28,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:28,715 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:28,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:28,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:28,918 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:28,918 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:28,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:28,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:28,919 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand 6 states. [2019-09-20 13:29:29,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:29,143 INFO L93 Difference]: Finished difference Result 297 states and 356 transitions. [2019-09-20 13:29:29,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:29:29,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-09-20 13:29:29,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:29,148 INFO L225 Difference]: With dead ends: 297 [2019-09-20 13:29:29,148 INFO L226 Difference]: Without dead ends: 297 [2019-09-20 13:29:29,149 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 [2019-09-20 13:29:29,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2019-09-20 13:29:29,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 291. [2019-09-20 13:29:29,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2019-09-20 13:29:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2019-09-20 13:29:29,178 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 54 [2019-09-20 13:29:29,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:29,178 INFO L475 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2019-09-20 13:29:29,179 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2019-09-20 13:29:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-09-20 13:29:29,181 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:29,182 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] [2019-09-20 13:29:29,182 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:29,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:29,182 INFO L82 PathProgramCache]: Analyzing trace with hash 274617433, now seen corresponding path program 1 times [2019-09-20 13:29:29,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:29,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:29,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:29,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:29,186 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:29,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:29:29,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:29,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:29:29,303 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:29,304 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:29:29,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:29:29,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:29:29,305 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand 6 states. [2019-09-20 13:29:29,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:29,450 INFO L93 Difference]: Finished difference Result 262 states and 305 transitions. [2019-09-20 13:29:29,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:29:29,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-09-20 13:29:29,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:29,452 INFO L225 Difference]: With dead ends: 262 [2019-09-20 13:29:29,453 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:29,453 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 [2019-09-20 13:29:29,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:29,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:29,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-09-20 13:29:29,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:29,454 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:29,454 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:29:29,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:29,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:29,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:29 BoogieIcfgContainer [2019-09-20 13:29:29,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:29,466 INFO L168 Benchmark]: Toolchain (without parser) took 4081.15 ms. Allocated memory was 131.6 MB in the beginning and 269.5 MB in the end (delta: 137.9 MB). Free memory was 84.9 MB in the beginning and 189.5 MB in the end (delta: -104.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:29,468 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 131.6 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:29:29,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.13 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 84.9 MB in the beginning and 164.5 MB in the end (delta: -79.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:29,473 INFO L168 Benchmark]: Boogie Preprocessor took 100.49 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 160.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:29,474 INFO L168 Benchmark]: RCFGBuilder took 1073.33 ms. Allocated memory is still 199.2 MB. Free memory was 160.8 MB in the beginning and 80.7 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:29,477 INFO L168 Benchmark]: TraceAbstraction took 2275.74 ms. Allocated memory was 199.2 MB in the beginning and 269.5 MB in the end (delta: 70.3 MB). Free memory was 79.7 MB in the beginning and 189.5 MB in the end (delta: -109.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:29:29,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 131.6 MB. Free memory is still 104.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.13 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 84.9 MB in the beginning and 164.5 MB in the end (delta: -79.6 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.49 ms. Allocated memory is still 199.2 MB. Free memory was 164.5 MB in the beginning and 160.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1073.33 ms. Allocated memory is still 199.2 MB. Free memory was 160.8 MB in the beginning and 80.7 MB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2275.74 ms. Allocated memory was 199.2 MB in the beginning and 269.5 MB in the end (delta: 70.3 MB). Free memory was 79.7 MB in the beginning and 189.5 MB in the end (delta: -109.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 461]: 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, 200 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 488 SDtfs, 241 SDslu, 994 SDs, 0 SdLazy, 230 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 23729 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...