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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:31:06,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:31:06,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:31:06,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:31:06,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:31:06,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:31:06,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:31:06,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:31:06,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:31:06,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:31:06,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:31:06,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:31:06,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:31:06,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:31:06,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:31:06,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:31:06,411 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:31:06,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:31:06,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:31:06,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:31:06,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:31:06,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:31:06,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:31:06,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:31:06,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:31:06,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:31:06,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:31:06,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:31:06,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:31:06,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:31:06,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:31:06,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:31:06,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:31:06,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:31:06,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:31:06,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:31:06,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:31:06,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:31:06,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:31:06,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:31:06,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:31:06,435 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 13:31:06,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:31:06,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:31:06,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:31:06,459 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:31:06,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:31:06,460 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:31:06,461 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:31:06,461 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:31:06,461 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:31:06,462 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:31:06,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:31:06,464 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:31:06,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:31:06,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:31:06,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:31:06,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:31:06,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:31:06,466 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:31:06,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:31:06,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:31:06,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:31:06,467 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:31:06,467 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:31:06,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:31:06,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:31:06,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:31:06,468 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:31:06,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:31:06,469 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:31:06,469 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:31:06,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:31:06,545 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:31:06,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:31:06,552 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:31:06,553 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:31:06,554 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2019-09-20 13:31:06,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9bd48ac/d0936e474fbf44d6bc30ff3d8364dc0f/FLAG3c13e0a0c [2019-09-20 13:31:07,257 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:31:07,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product01.cil.c [2019-09-20 13:31:07,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9bd48ac/d0936e474fbf44d6bc30ff3d8364dc0f/FLAG3c13e0a0c [2019-09-20 13:31:07,531 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d9bd48ac/d0936e474fbf44d6bc30ff3d8364dc0f [2019-09-20 13:31:07,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:31:07,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:31:07,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:07,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:31:07,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:31:07,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:07" (1/1) ... [2019-09-20 13:31:07,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df0e53b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:07, skipping insertion in model container [2019-09-20 13:31:07,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:31:07" (1/1) ... [2019-09-20 13:31:07,568 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:31:07,644 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:31:08,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:08,086 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:31:08,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:31:08,207 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:31:08,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08 WrapperNode [2019-09-20 13:31:08,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:31:08,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:31:08,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:31:08,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:31:08,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08" (1/1) ... [2019-09-20 13:31:08,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08" (1/1) ... [2019-09-20 13:31:08,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08" (1/1) ... [2019-09-20 13:31:08,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08" (1/1) ... [2019-09-20 13:31:08,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08" (1/1) ... [2019-09-20 13:31:08,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08" (1/1) ... [2019-09-20 13:31:08,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08" (1/1) ... [2019-09-20 13:31:08,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:31:08,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:31:08,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:31:08,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:31:08,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08" (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 13:31:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:31:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:31:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:31:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:31:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:31:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:31:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:31:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:31:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:31:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:31:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:31:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:31:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:31:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:31:08,385 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:31:08,385 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:31:08,385 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:31:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:31:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:31:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:31:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:31:08,389 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:31:08,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:31:08,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:31:08,389 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:31:08,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:31:08,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:31:08,390 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:31:08,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:31:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:31:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:31:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:31:08,390 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:31:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:31:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:31:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:31:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:31:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:31:08,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:31:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:31:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:31:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:31:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:31:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:31:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-20 13:31:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:31:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:31:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:31:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:31:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:31:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:31:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:31:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:31:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:31:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:31:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:31:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:31:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:31:08,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:31:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:31:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:31:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:31:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:31:08,396 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:31:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:31:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:31:08,397 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:31:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:31:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:31:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:31:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-20 13:31:08,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-20 13:31:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:31:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:31:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:31:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:31:08,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:31:08,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:31:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:31:09,438 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:31:09,439 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:31:09,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:09 BoogieIcfgContainer [2019-09-20 13:31:09,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:31:09,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:31:09,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:31:09,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:31:09,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:31:07" (1/3) ... [2019-09-20 13:31:09,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70425742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:09, skipping insertion in model container [2019-09-20 13:31:09,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:31:08" (2/3) ... [2019-09-20 13:31:09,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70425742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:31:09, skipping insertion in model container [2019-09-20 13:31:09,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:31:09" (3/3) ... [2019-09-20 13:31:09,468 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2019-09-20 13:31:09,479 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:31:09,489 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:31:09,506 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:31:09,535 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:31:09,536 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:31:09,536 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:31:09,536 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:31:09,536 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:31:09,536 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:31:09,536 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:31:09,537 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:31:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2019-09-20 13:31:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-20 13:31:09,570 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:09,571 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 13:31:09,574 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:09,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:09,580 INFO L82 PathProgramCache]: Analyzing trace with hash 72491215, now seen corresponding path program 1 times [2019-09-20 13:31:09,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:09,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:09,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:09,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:09,641 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:09,993 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 13:31:09,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:09,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:31:09,996 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:10,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:31:10,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:31:10,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:31:10,023 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2019-09-20 13:31:10,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:10,052 INFO L93 Difference]: Finished difference Result 102 states and 118 transitions. [2019-09-20 13:31:10,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:31:10,054 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-20 13:31:10,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:10,065 INFO L225 Difference]: With dead ends: 102 [2019-09-20 13:31:10,065 INFO L226 Difference]: Without dead ends: 91 [2019-09-20 13:31:10,067 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 13:31:10,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-09-20 13:31:10,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2019-09-20 13:31:10,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-09-20 13:31:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 106 transitions. [2019-09-20 13:31:10,116 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 106 transitions. Word has length 59 [2019-09-20 13:31:10,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:10,117 INFO L475 AbstractCegarLoop]: Abstraction has 91 states and 106 transitions. [2019-09-20 13:31:10,117 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:31:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2019-09-20 13:31:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-09-20 13:31:10,120 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:10,121 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 13:31:10,121 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:10,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:10,122 INFO L82 PathProgramCache]: Analyzing trace with hash -976010458, now seen corresponding path program 1 times [2019-09-20 13:31:10,122 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:10,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:10,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:10,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:10,125 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:10,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:10,268 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 13:31:10,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:10,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:31:10,270 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:10,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:31:10,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:31:10,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:31:10,274 INFO L87 Difference]: Start difference. First operand 91 states and 106 transitions. Second operand 3 states. [2019-09-20 13:31:10,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:10,300 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2019-09-20 13:31:10,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:31:10,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-09-20 13:31:10,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:10,304 INFO L225 Difference]: With dead ends: 82 [2019-09-20 13:31:10,304 INFO L226 Difference]: Without dead ends: 82 [2019-09-20 13:31:10,306 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 13:31:10,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-09-20 13:31:10,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-09-20 13:31:10,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-09-20 13:31:10,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2019-09-20 13:31:10,316 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 60 [2019-09-20 13:31:10,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:10,317 INFO L475 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2019-09-20 13:31:10,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:31:10,317 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2019-09-20 13:31:10,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-20 13:31:10,320 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:10,320 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:31:10,320 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:10,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:10,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1033515287, now seen corresponding path program 1 times [2019-09-20 13:31:10,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:10,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:10,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:10,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:10,324 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:10,515 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 13:31:10,515 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:10,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:31:10,516 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:10,517 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:31:10,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:31:10,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:31:10,518 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand 7 states. [2019-09-20 13:31:10,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:10,867 INFO L93 Difference]: Finished difference Result 82 states and 93 transitions. [2019-09-20 13:31:10,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:10,867 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-09-20 13:31:10,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:10,869 INFO L225 Difference]: With dead ends: 82 [2019-09-20 13:31:10,869 INFO L226 Difference]: Without dead ends: 82 [2019-09-20 13:31:10,870 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 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 13:31:10,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-09-20 13:31:10,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2019-09-20 13:31:10,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2019-09-20 13:31:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2019-09-20 13:31:10,893 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 64 [2019-09-20 13:31:10,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:10,899 INFO L475 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2019-09-20 13:31:10,899 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:31:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2019-09-20 13:31:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-09-20 13:31:10,904 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:31:10,904 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] [2019-09-20 13:31:10,904 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:31:10,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:31:10,905 INFO L82 PathProgramCache]: Analyzing trace with hash 928072860, now seen corresponding path program 1 times [2019-09-20 13:31:10,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:31:10,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:10,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:31:10,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:31:10,909 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:31:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:31:11,112 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 13:31:11,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:31:11,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:31:11,113 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:31:11,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:31:11,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:31:11,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:31:11,116 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 6 states. [2019-09-20 13:31:11,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:31:11,307 INFO L93 Difference]: Finished difference Result 76 states and 84 transitions. [2019-09-20 13:31:11,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:31:11,308 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-09-20 13:31:11,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:31:11,308 INFO L225 Difference]: With dead ends: 76 [2019-09-20 13:31:11,309 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:31:11,309 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:31:11,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:31:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:31:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:31:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:31:11,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2019-09-20 13:31:11,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:31:11,311 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:31:11,311 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:31:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:31:11,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:31:11,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:31:11 BoogieIcfgContainer [2019-09-20 13:31:11,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:31:11,319 INFO L168 Benchmark]: Toolchain (without parser) took 3771.75 ms. Allocated memory was 140.5 MB in the beginning and 259.0 MB in the end (delta: 118.5 MB). Free memory was 85.6 MB in the beginning and 216.2 MB in the end (delta: -130.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:31:11,320 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:31:11,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.94 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 85.4 MB in the beginning and 166.7 MB in the end (delta: -81.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:11,322 INFO L168 Benchmark]: Boogie Preprocessor took 106.27 ms. Allocated memory is still 199.8 MB. Free memory was 166.7 MB in the beginning and 162.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:11,323 INFO L168 Benchmark]: RCFGBuilder took 1125.16 ms. Allocated memory is still 199.8 MB. Free memory was 162.0 MB in the beginning and 80.4 MB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:11,324 INFO L168 Benchmark]: TraceAbstraction took 1856.66 ms. Allocated memory was 226.0 MB in the beginning and 259.0 MB in the end (delta: 33.0 MB). Free memory was 197.0 MB in the beginning and 216.2 MB in the end (delta: -19.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:31:11,328 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.94 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 85.4 MB in the beginning and 166.7 MB in the end (delta: -81.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.27 ms. Allocated memory is still 199.8 MB. Free memory was 166.7 MB in the beginning and 162.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1125.16 ms. Allocated memory is still 199.8 MB. Free memory was 162.0 MB in the beginning and 80.4 MB in the end (delta: 81.7 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1856.66 ms. Allocated memory was 226.0 MB in the beginning and 259.0 MB in the end (delta: 33.0 MB). Free memory was 197.0 MB in the beginning and 216.2 MB in the end (delta: -19.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 380 SDtfs, 143 SDslu, 476 SDs, 0 SdLazy, 132 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred 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, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 246 ConstructedInterpolants, 0 QuantifiedInterpolants, 24889 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...