java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:31:09,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:31:09,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:31:09,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:31:09,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:31:09,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:31:09,323 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:31:09,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:31:09,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:31:09,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:31:09,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:31:09,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:31:09,331 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:31:09,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:31:09,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:31:09,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:31:09,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:31:09,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:31:09,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:31:09,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:31:09,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:31:09,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:31:09,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:31:09,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:31:09,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:31:09,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:31:09,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:31:09,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:31:09,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:31:09,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:31:09,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:31:09,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:31:09,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:31:09,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:31:09,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:31:09,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:31:09,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:31:09,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:31:09,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:31:09,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:31:09,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:31:09,358 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:31:09,373 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:31:09,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:31:09,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:31:09,374 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:31:09,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:31:09,375 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:31:09,375 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:31:09,375 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:31:09,376 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:31:09,376 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:31:09,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:31:09,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:31:09,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:31:09,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:31:09,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:31:09,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:31:09,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:31:09,378 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:31:09,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:31:09,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:31:09,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:31:09,379 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:31:09,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:31:09,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:09,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:31:09,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:31:09,380 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:31:09,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:31:09,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:31:09,381 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:31:09,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:31:09,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:31:09,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:31:09,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:31:09,428 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:31:09,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c [2019-09-20 13:31:09,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac300bc30/ac3f3b0ce0cc440ab9a90631c85b1573/FLAG29bff9bd9 [2019-09-20 13:31:10,013 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:31:10,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product06.cil.c [2019-09-20 13:31:10,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac300bc30/ac3f3b0ce0cc440ab9a90631c85b1573/FLAG29bff9bd9 [2019-09-20 13:31:10,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac300bc30/ac3f3b0ce0cc440ab9a90631c85b1573 [2019-09-20 13:31:10,302 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:31:10,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:31:10,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:10,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:31:10,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:31:10,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:10" (1/1) ... [2019-09-20 13:31:10,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e8a38f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:10, skipping insertion in model container [2019-09-20 13:31:10,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:10" (1/1) ... [2019-09-20 13:31:10,324 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:31:10,387 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:31:10,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:10,892 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:31:11,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:11,064 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:31:11,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11 WrapperNode [2019-09-20 13:31:11,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:11,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:31:11,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:31:11,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:31:11,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11" (1/1) ... [2019-09-20 13:31:11,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11" (1/1) ... [2019-09-20 13:31:11,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11" (1/1) ... [2019-09-20 13:31:11,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11" (1/1) ... [2019-09-20 13:31:11,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11" (1/1) ... [2019-09-20 13:31:11,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11" (1/1) ... [2019-09-20 13:31:11,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11" (1/1) ... [2019-09-20 13:31:11,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:31:11,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:31:11,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:31:11,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:31:11,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:31:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:31:11,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:31:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:31:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:31:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:31:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:31:11,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:31:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:31:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:31:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:31:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:31:11,286 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:31:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:31:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:31:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:31:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:31:11,287 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:31:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:31:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:31:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:31:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:31:11,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:31:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:31:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:31:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:31:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:31:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:11,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:11,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:31:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:31:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:31:11,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:31:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:31:11,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:31:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:31:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:31:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:31:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:31:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:31:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:31:11,292 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:31:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:31:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:31:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:31:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:31:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:31:11,293 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:31:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:31:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:31:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:31:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:31:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:31:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:31:11,294 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:31:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:31:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:31:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:31:11,295 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:31:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:31:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:31:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:31:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:31:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:31:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:31:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:31:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:31:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:31:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:31:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:31:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:31:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:31:11,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:31:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:31:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:31:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:31:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:31:11,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:31:12,358 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:31:12,359 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:31:12,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:12 BoogieIcfgContainer [2019-09-20 13:31:12,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:31:12,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:31:12,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:31:12,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:31:12,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:10" (1/3) ... [2019-09-20 13:31:12,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88f2988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:12, skipping insertion in model container [2019-09-20 13:31:12,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:11" (2/3) ... [2019-09-20 13:31:12,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88f2988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:12, skipping insertion in model container [2019-09-20 13:31:12,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:12" (3/3) ... [2019-09-20 13:31:12,371 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product06.cil.c [2019-09-20 13:31:12,399 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:31:12,410 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:31:12,427 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:31:12,461 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:31:12,462 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:31:12,462 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:31:12,462 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:31:12,463 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:31:12,463 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:31:12,463 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:31:12,463 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:31:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2019-09-20 13:31:12,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:31:12,503 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:12,505 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:12,508 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:12,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:12,516 INFO L82 PathProgramCache]: Analyzing trace with hash -386744828, now seen corresponding path program 1 times [2019-09-20 13:31:12,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:12,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:12,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:12,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:12,582 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:12,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:12,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:12,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:31:12,966 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:12,972 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:31:12,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:31:12,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:12,987 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2019-09-20 13:31:13,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:13,012 INFO L93 Difference]: Finished difference Result 127 states and 146 transitions. [2019-09-20 13:31:13,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:31:13,014 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:31:13,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:13,027 INFO L225 Difference]: With dead ends: 127 [2019-09-20 13:31:13,028 INFO L226 Difference]: Without dead ends: 116 [2019-09-20 13:31:13,030 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:13,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-09-20 13:31:13,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-09-20 13:31:13,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-09-20 13:31:13,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2019-09-20 13:31:13,084 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 59 [2019-09-20 13:31:13,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:13,085 INFO L475 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2019-09-20 13:31:13,085 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:31:13,085 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2019-09-20 13:31:13,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-20 13:31:13,089 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:13,089 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:13,089 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:13,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:13,090 INFO L82 PathProgramCache]: Analyzing trace with hash 681953817, now seen corresponding path program 1 times [2019-09-20 13:31:13,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:13,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:13,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:13,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:13,093 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:13,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:13,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:31:13,240 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:13,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:31:13,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:31:13,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:31:13,244 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 3 states. [2019-09-20 13:31:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:13,260 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2019-09-20 13:31:13,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:31:13,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-20 13:31:13,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:13,263 INFO L225 Difference]: With dead ends: 107 [2019-09-20 13:31:13,263 INFO L226 Difference]: Without dead ends: 107 [2019-09-20 13:31:13,264 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 13:31:13,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-09-20 13:31:13,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-09-20 13:31:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-09-20 13:31:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2019-09-20 13:31:13,276 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 60 [2019-09-20 13:31:13,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:13,277 INFO L475 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2019-09-20 13:31:13,277 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:31:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2019-09-20 13:31:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-20 13:31:13,279 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:13,280 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:13,280 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:13,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:13,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1283819914, now seen corresponding path program 1 times [2019-09-20 13:31:13,281 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:13,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:13,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:13,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:13,284 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:31:13,487 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:13,487 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:13,487 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:13,488 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:13,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:13,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:13,489 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand 7 states. [2019-09-20 13:31:13,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:13,826 INFO L93 Difference]: Finished difference Result 107 states and 121 transitions. [2019-09-20 13:31:13,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:13,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-09-20 13:31:13,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:13,829 INFO L225 Difference]: With dead ends: 107 [2019-09-20 13:31:13,829 INFO L226 Difference]: Without dead ends: 107 [2019-09-20 13:31:13,830 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:31:13,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-09-20 13:31:13,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-09-20 13:31:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-09-20 13:31:13,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2019-09-20 13:31:13,854 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 65 [2019-09-20 13:31:13,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:13,860 INFO L475 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2019-09-20 13:31:13,860 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:13,860 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2019-09-20 13:31:13,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-20 13:31:13,866 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:13,866 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:13,867 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:13,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:13,868 INFO L82 PathProgramCache]: Analyzing trace with hash -305681929, now seen corresponding path program 1 times [2019-09-20 13:31:13,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:13,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:13,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:13,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:13,871 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:31:14,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:14,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:14,050 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:14,051 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:14,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:14,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:14,052 INFO L87 Difference]: Start difference. First operand 107 states and 121 transitions. Second operand 7 states. [2019-09-20 13:31:14,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:14,487 INFO L93 Difference]: Finished difference Result 85 states and 93 transitions. [2019-09-20 13:31:14,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:31:14,488 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-09-20 13:31:14,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:14,489 INFO L225 Difference]: With dead ends: 85 [2019-09-20 13:31:14,489 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:31:14,489 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:31:14,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:31:14,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:31:14,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:31:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:31:14,490 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2019-09-20 13:31:14,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:14,491 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:31:14,491 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:31:14,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:31:14,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:14 BoogieIcfgContainer [2019-09-20 13:31:14,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:31:14,500 INFO L168 Benchmark]: Toolchain (without parser) took 4196.00 ms. Allocated memory was 131.1 MB in the beginning and 268.4 MB in the end (delta: 137.4 MB). Free memory was 86.3 MB in the beginning and 191.9 MB in the end (delta: -105.5 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:14,501 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:31:14,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 756.95 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 86.1 MB in the beginning and 161.2 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:14,503 INFO L168 Benchmark]: Boogie Preprocessor took 152.82 ms. Allocated memory is still 198.7 MB. Free memory was 161.2 MB in the beginning and 157.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:14,504 INFO L168 Benchmark]: RCFGBuilder took 1141.97 ms. Allocated memory is still 198.7 MB. Free memory was 157.2 MB in the beginning and 73.9 MB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:14,505 INFO L168 Benchmark]: TraceAbstraction took 2135.70 ms. Allocated memory was 198.7 MB in the beginning and 268.4 MB in the end (delta: 69.7 MB). Free memory was 73.9 MB in the beginning and 191.9 MB in the end (delta: -118.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:31:14,509 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 756.95 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 86.1 MB in the beginning and 161.2 MB in the end (delta: -75.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 152.82 ms. Allocated memory is still 198.7 MB. Free memory was 161.2 MB in the beginning and 157.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1141.97 ms. Allocated memory is still 198.7 MB. Free memory was 157.2 MB in the beginning and 73.9 MB in the end (delta: 83.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2135.70 ms. Allocated memory was 198.7 MB in the beginning and 268.4 MB in the end (delta: 69.7 MB). Free memory was 73.9 MB in the beginning and 191.9 MB in the end (delta: -118.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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 38 procedures, 218 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 455 SDtfs, 206 SDslu, 471 SDs, 0 SdLazy, 296 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 27417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...