/usr/bin/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 --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 20:59:36,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 20:59:36,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 20:59:36,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 20:59:36,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 20:59:36,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 20:59:36,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 20:59:36,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 20:59:36,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 20:59:36,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 20:59:36,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 20:59:36,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 20:59:36,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 20:59:36,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 20:59:36,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 20:59:36,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 20:59:36,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 20:59:36,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 20:59:36,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 20:59:36,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 20:59:36,376 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 20:59:36,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 20:59:36,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 20:59:36,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 20:59:36,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 20:59:36,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 20:59:36,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 20:59:36,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 20:59:36,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 20:59:36,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 20:59:36,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 20:59:36,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 20:59:36,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 20:59:36,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 20:59:36,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 20:59:36,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 20:59:36,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 20:59:36,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 20:59:36,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 20:59:36,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 20:59:36,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 20:59:36,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 20:59:36,428 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 20:59:36,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 20:59:36,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 20:59:36,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 20:59:36,430 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 20:59:36,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 20:59:36,430 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 20:59:36,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 20:59:36,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 20:59:36,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 20:59:36,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 20:59:36,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 20:59:36,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 20:59:36,432 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 20:59:36,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 20:59:36,432 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 20:59:36,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 20:59:36,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 20:59:36,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 20:59:36,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 20:59:36,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 20:59:36,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:59:36,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 20:59:36,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 20:59:36,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 20:59:36,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 20:59:36,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 20:59:36,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 20:59:36,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 20:59:36,435 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 20:59:36,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 20:59:36,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 20:59:36,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 20:59:36,718 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 20:59:36,719 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 20:59:36,719 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c [2020-07-19 20:59:36,798 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c4b51aeb/b010aaeb5a3e40608cbcc174ed732da4/FLAG56a6b436c [2020-07-19 20:59:37,387 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 20:59:37,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c [2020-07-19 20:59:37,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c4b51aeb/b010aaeb5a3e40608cbcc174ed732da4/FLAG56a6b436c [2020-07-19 20:59:37,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c4b51aeb/b010aaeb5a3e40608cbcc174ed732da4 [2020-07-19 20:59:37,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 20:59:37,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 20:59:37,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 20:59:37,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 20:59:37,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 20:59:37,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:59:37" (1/1) ... [2020-07-19 20:59:37,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35998ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:37, skipping insertion in model container [2020-07-19 20:59:37,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:59:37" (1/1) ... [2020-07-19 20:59:37,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 20:59:37,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 20:59:38,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:59:38,154 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 20:59:38,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:59:38,293 INFO L208 MainTranslator]: Completed translation [2020-07-19 20:59:38,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38 WrapperNode [2020-07-19 20:59:38,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 20:59:38,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 20:59:38,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 20:59:38,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 20:59:38,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38" (1/1) ... [2020-07-19 20:59:38,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38" (1/1) ... [2020-07-19 20:59:38,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38" (1/1) ... [2020-07-19 20:59:38,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38" (1/1) ... [2020-07-19 20:59:38,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38" (1/1) ... [2020-07-19 20:59:38,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38" (1/1) ... [2020-07-19 20:59:38,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38" (1/1) ... [2020-07-19 20:59:38,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 20:59:38,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 20:59:38,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 20:59:38,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 20:59:38,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38" (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 [2020-07-19 20:59:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 20:59:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 20:59:38,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 20:59:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 20:59:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 20:59:38,489 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 20:59:38,490 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 20:59:38,490 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 20:59:38,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-19 20:59:38,490 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 20:59:38,491 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 20:59:38,491 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 20:59:38,491 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-19 20:59:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 20:59:38,492 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 20:59:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 20:59:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 20:59:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 20:59:38,493 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 20:59:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 20:59:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 20:59:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 20:59:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 20:59:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 20:59:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 20:59:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 20:59:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 20:59:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 20:59:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 20:59:38,496 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 20:59:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 20:59:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 20:59:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 20:59:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 20:59:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 20:59:38,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 20:59:38,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 20:59:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 20:59:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 20:59:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 20:59:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 20:59:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 20:59:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 20:59:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 20:59:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 20:59:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 20:59:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 20:59:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 20:59:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-19 20:59:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 20:59:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 20:59:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 20:59:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 20:59:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 20:59:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 20:59:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 20:59:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 20:59:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 20:59:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 20:59:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-19 20:59:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 20:59:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 20:59:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 20:59:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 20:59:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 20:59:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 20:59:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 20:59:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 20:59:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 20:59:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 20:59:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 20:59:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 20:59:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 20:59:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 20:59:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 20:59:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 20:59:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 20:59:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 20:59:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 20:59:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 20:59:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 20:59:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 20:59:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 20:59:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 20:59:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 20:59:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 20:59:38,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 20:59:38,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 20:59:39,613 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 20:59:39,613 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 20:59:39,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:59:39 BoogieIcfgContainer [2020-07-19 20:59:39,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 20:59:39,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 20:59:39,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 20:59:39,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 20:59:39,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 08:59:37" (1/3) ... [2020-07-19 20:59:39,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747c6889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:59:39, skipping insertion in model container [2020-07-19 20:59:39,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:59:38" (2/3) ... [2020-07-19 20:59:39,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@747c6889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:59:39, skipping insertion in model container [2020-07-19 20:59:39,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:59:39" (3/3) ... [2020-07-19 20:59:39,629 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product14.cil.c [2020-07-19 20:59:39,640 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 20:59:39,648 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 20:59:39,663 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 20:59:39,688 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 20:59:39,689 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 20:59:39,689 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 20:59:39,689 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 20:59:39,689 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 20:59:39,689 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 20:59:39,690 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 20:59:39,690 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 20:59:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-07-19 20:59:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-19 20:59:39,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:39,724 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:39,724 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:39,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:39,731 INFO L82 PathProgramCache]: Analyzing trace with hash 940922037, now seen corresponding path program 1 times [2020-07-19 20:59:39,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:39,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957295026] [2020-07-19 20:59:39,741 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1caf882a [2020-07-19 20:59:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:40,381 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:59:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:40,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957295026] [2020-07-19 20:59:40,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:40,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 20:59:40,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213466498] [2020-07-19 20:59:40,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 20:59:40,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:40,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 20:59:40,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 20:59:40,519 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-07-19 20:59:41,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:41,589 INFO L93 Difference]: Finished difference Result 258 states and 341 transitions. [2020-07-19 20:59:41,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 20:59:41,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-19 20:59:41,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:41,607 INFO L225 Difference]: With dead ends: 258 [2020-07-19 20:59:41,607 INFO L226 Difference]: Without dead ends: 140 [2020-07-19 20:59:41,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 20:59:41,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2020-07-19 20:59:41,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 109. [2020-07-19 20:59:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-07-19 20:59:41,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2020-07-19 20:59:41,702 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 52 [2020-07-19 20:59:41,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:41,702 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2020-07-19 20:59:41,703 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 20:59:41,703 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2020-07-19 20:59:41,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-19 20:59:41,707 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:41,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:41,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 20:59:41,707 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:41,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:41,708 INFO L82 PathProgramCache]: Analyzing trace with hash -110013257, now seen corresponding path program 1 times [2020-07-19 20:59:41,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:41,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073287345] [2020-07-19 20:59:41,709 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1caf882a [2020-07-19 20:59:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:42,057 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:59:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:42,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073287345] [2020-07-19 20:59:42,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:42,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 20:59:42,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333137267] [2020-07-19 20:59:42,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 20:59:42,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:42,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 20:59:42,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:59:42,106 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 4 states. [2020-07-19 20:59:42,523 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:59:43,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:43,101 INFO L93 Difference]: Finished difference Result 187 states and 228 transitions. [2020-07-19 20:59:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 20:59:43,102 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-19 20:59:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:43,104 INFO L225 Difference]: With dead ends: 187 [2020-07-19 20:59:43,104 INFO L226 Difference]: Without dead ends: 124 [2020-07-19 20:59:43,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 20:59:43,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-19 20:59:43,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 100. [2020-07-19 20:59:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-07-19 20:59:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2020-07-19 20:59:43,138 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 53 [2020-07-19 20:59:43,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:43,138 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2020-07-19 20:59:43,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 20:59:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2020-07-19 20:59:43,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-19 20:59:43,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:43,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:43,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 20:59:43,142 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:43,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:43,142 INFO L82 PathProgramCache]: Analyzing trace with hash -829955057, now seen corresponding path program 1 times [2020-07-19 20:59:43,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:43,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967871677] [2020-07-19 20:59:43,143 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1caf882a [2020-07-19 20:59:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:43,444 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:59:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:43,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:43,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967871677] [2020-07-19 20:59:43,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:43,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:59:43,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272344178] [2020-07-19 20:59:43,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:59:43,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:43,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:59:43,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:59:43,553 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 8 states. [2020-07-19 20:59:43,941 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:59:44,235 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:59:44,500 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:44,739 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:45,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:45,657 INFO L93 Difference]: Finished difference Result 200 states and 246 transitions. [2020-07-19 20:59:45,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:59:45,658 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-19 20:59:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:45,661 INFO L225 Difference]: With dead ends: 200 [2020-07-19 20:59:45,661 INFO L226 Difference]: Without dead ends: 124 [2020-07-19 20:59:45,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 20:59:45,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-07-19 20:59:45,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 100. [2020-07-19 20:59:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-07-19 20:59:45,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-07-19 20:59:45,692 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 58 [2020-07-19 20:59:45,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:45,692 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-07-19 20:59:45,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:59:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-07-19 20:59:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-19 20:59:45,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:45,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:45,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 20:59:45,695 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:45,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:45,695 INFO L82 PathProgramCache]: Analyzing trace with hash -715130014, now seen corresponding path program 1 times [2020-07-19 20:59:45,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:45,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117031351] [2020-07-19 20:59:45,696 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1caf882a [2020-07-19 20:59:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:45,954 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:59:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:45,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:46,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117031351] [2020-07-19 20:59:46,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:46,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:59:46,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861976552] [2020-07-19 20:59:46,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:59:46,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:46,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:59:46,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:59:46,036 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 8 states. [2020-07-19 20:59:46,415 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:59:47,750 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:48,056 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:48,278 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:59:48,630 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:59:48,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:48,865 INFO L93 Difference]: Finished difference Result 299 states and 393 transitions. [2020-07-19 20:59:48,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-19 20:59:48,872 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-07-19 20:59:48,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:48,879 INFO L225 Difference]: With dead ends: 299 [2020-07-19 20:59:48,879 INFO L226 Difference]: Without dead ends: 223 [2020-07-19 20:59:48,888 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-19 20:59:48,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-07-19 20:59:48,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 174. [2020-07-19 20:59:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-19 20:59:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 205 transitions. [2020-07-19 20:59:48,968 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 205 transitions. Word has length 66 [2020-07-19 20:59:48,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:48,970 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 205 transitions. [2020-07-19 20:59:48,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:59:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 205 transitions. [2020-07-19 20:59:48,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 20:59:48,976 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:48,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:48,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 20:59:48,977 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:48,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:48,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1329435240, now seen corresponding path program 1 times [2020-07-19 20:59:48,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:48,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530078924] [2020-07-19 20:59:48,978 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1caf882a [2020-07-19 20:59:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,303 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:59:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:59:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:59:49,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530078924] [2020-07-19 20:59:49,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:59:49,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-19 20:59:49,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540725271] [2020-07-19 20:59:49,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-19 20:59:49,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:59:49,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-19 20:59:49,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-19 20:59:49,421 INFO L87 Difference]: Start difference. First operand 174 states and 205 transitions. Second operand 6 states. [2020-07-19 20:59:49,788 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:59:50,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:59:50,365 INFO L93 Difference]: Finished difference Result 296 states and 363 transitions. [2020-07-19 20:59:50,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 20:59:50,367 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-19 20:59:50,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:59:50,369 INFO L225 Difference]: With dead ends: 296 [2020-07-19 20:59:50,370 INFO L226 Difference]: Without dead ends: 146 [2020-07-19 20:59:50,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:59:50,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-19 20:59:50,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 133. [2020-07-19 20:59:50,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-07-19 20:59:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 148 transitions. [2020-07-19 20:59:50,399 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 148 transitions. Word has length 70 [2020-07-19 20:59:50,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:59:50,400 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 148 transitions. [2020-07-19 20:59:50,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-19 20:59:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 148 transitions. [2020-07-19 20:59:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 20:59:50,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:59:50,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:59:50,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 20:59:50,402 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:59:50,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:59:50,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1182747068, now seen corresponding path program 1 times [2020-07-19 20:59:50,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:59:50,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151370789] [2020-07-19 20:59:50,403 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1caf882a [2020-07-19 20:59:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 20:59:50,460 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 20:59:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-19 20:59:50,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-19 20:59:50,611 INFO L174 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2020-07-19 20:59:50,611 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-19 20:59:50,612 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 20:59:50,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 08:59:50 BoogieIcfgContainer [2020-07-19 20:59:50,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 20:59:50,767 INFO L168 Benchmark]: Toolchain (without parser) took 13128.93 ms. Allocated memory was 139.5 MB in the beginning and 462.4 MB in the end (delta: 323.0 MB). Free memory was 103.6 MB in the beginning and 403.8 MB in the end (delta: -300.2 MB). Peak memory consumption was 286.7 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:50,768 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-19 20:59:50,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.53 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 103.2 MB in the beginning and 174.2 MB in the end (delta: -71.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:50,770 INFO L168 Benchmark]: Boogie Preprocessor took 94.48 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 170.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:50,771 INFO L168 Benchmark]: RCFGBuilder took 1230.63 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.2 MB in the beginning and 200.1 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:50,771 INFO L168 Benchmark]: TraceAbstraction took 11144.74 ms. Allocated memory was 235.9 MB in the beginning and 462.4 MB in the end (delta: 226.5 MB). Free memory was 200.1 MB in the beginning and 403.8 MB in the end (delta: -203.7 MB). Peak memory consumption was 286.8 MB. Max. memory is 7.1 GB. [2020-07-19 20:59:50,775 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 650.53 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 103.2 MB in the beginning and 174.2 MB in the end (delta: -71.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.48 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 170.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1230.63 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.2 MB in the beginning and 200.1 MB in the end (delta: -29.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11144.74 ms. Allocated memory was 235.9 MB in the beginning and 462.4 MB in the end (delta: 226.5 MB). Free memory was 200.1 MB in the beginning and 403.8 MB in the end (delta: -203.7 MB). Peak memory consumption was 286.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L725] int cleanupTimeShifts = 4; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L798] int retValue_acc ; [L799] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L803] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L805] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L805] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L805] tmp = valid_product() [L807] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L809] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L810] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L792] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L659] int splverifierCounter ; [L660] int tmp ; [L661] int tmp___0 ; [L662] int tmp___1 ; [L663] int tmp___2 ; [L666] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L668] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L670] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L676] tmp = __VERIFIER_nondet_int() [L678] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L680] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L839] COND TRUE waterLevel < 2 [L840] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L680] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L686] tmp___0 = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L696] tmp___2 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___2)) [L704] tmp___1 = __VERIFIER_nondet_int() [L706] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L713] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L138] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L145] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L147] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L167] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L185] FCALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L147] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L153] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L97] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L97] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L103] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L103] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L103] tmp___0 = getWaterLevel() [L105] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L107] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L107] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L107] tmp___1 = isPumpRunning() [L109] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L113] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 447 SDtfs, 739 SDslu, 238 SDs, 0 SdLazy, 1311 SolverSat, 526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 141 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 84394 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...