/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:40:47,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:40:47,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:40:47,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:40:47,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:40:47,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:40:47,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:40:47,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:40:47,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:40:47,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:40:47,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:40:47,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:40:47,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:40:47,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:40:47,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:40:47,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:40:47,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:40:47,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:40:47,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:40:47,464 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:40:47,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:40:47,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:40:47,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:40:47,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:40:47,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:40:47,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:40:47,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:40:47,482 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:40:47,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:40:47,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:40:47,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:40:47,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:40:47,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:40:47,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:40:47,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:40:47,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:40:47,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:40:47,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:40:47,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:40:47,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:40:47,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:40:47,493 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 [2020-11-06 21:40:47,541 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:40:47,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:40:47,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:40:47,546 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:40:47,546 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:40:47,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:40:47,546 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:40:47,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:40:47,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:40:47,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:40:47,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:40:47,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:40:47,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:40:47,548 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:40:47,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:40:47,549 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:40:47,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:40:47,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:40:47,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:40:47,549 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:40:47,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:40:47,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:40:47,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:40:47,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:40:47,550 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:40:47,550 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:40:47,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:40:47,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:40:47,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:40:47,551 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:40:47,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:40:47,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:40:47,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:40:47,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:40:47,979 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:40:47,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c [2020-11-06 21:40:48,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4984e36/977c39d512a444099c500e33a0e55c8a/FLAGd16257b80 [2020-11-06 21:40:48,862 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:40:48,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c [2020-11-06 21:40:48,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4984e36/977c39d512a444099c500e33a0e55c8a/FLAGd16257b80 [2020-11-06 21:40:49,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c4984e36/977c39d512a444099c500e33a0e55c8a [2020-11-06 21:40:49,155 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:40:49,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:40:49,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:40:49,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:40:49,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:40:49,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:49" (1/1) ... [2020-11-06 21:40:49,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc21ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49, skipping insertion in model container [2020-11-06 21:40:49,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:49" (1/1) ... [2020-11-06 21:40:49,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:40:49,260 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:40:49,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:40:49,609 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:40:49,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:40:49,817 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:40:49,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49 WrapperNode [2020-11-06 21:40:49,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:40:49,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:40:49,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:40:49,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:40:49,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49" (1/1) ... [2020-11-06 21:40:49,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49" (1/1) ... [2020-11-06 21:40:49,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49" (1/1) ... [2020-11-06 21:40:49,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49" (1/1) ... [2020-11-06 21:40:49,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49" (1/1) ... [2020-11-06 21:40:49,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49" (1/1) ... [2020-11-06 21:40:49,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49" (1/1) ... [2020-11-06 21:40:49,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:40:49,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:40:49,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:40:49,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:40:49,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49" (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 [2020-11-06 21:40:50,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:40:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:40:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:40:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:40:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-11-06 21:40:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:40:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:40:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:40:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-11-06 21:40:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:40:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:40:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:40:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:40:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:40:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-06 21:40:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-06 21:40:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:40:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:40:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:40:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:40:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:40:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:40:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:40:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:40:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:40:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:40:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:40:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:40:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:40:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:40:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:40:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:40:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:40:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:40:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:40:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:40:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:40:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:40:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:40:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:40:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:40:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:40:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:40:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:40:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:40:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:40:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:40:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:40:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-11-06 21:40:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:40:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:40:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-06 21:40:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-06 21:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:40:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:40:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:40:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-11-06 21:40:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:40:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:40:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:40:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:40:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:40:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:40:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:40:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:40:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:40:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:40:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:40:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:40:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:40:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:40:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:40:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:40:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:40:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:40:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:40:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:40:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:40:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:40:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:40:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:40:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:40:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:40:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:40:51,409 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:40:51,410 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:40:51,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:40:51 BoogieIcfgContainer [2020-11-06 21:40:51,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:40:51,418 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:40:51,418 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:40:51,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:40:51,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:40:49" (1/3) ... [2020-11-06 21:40:51,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb76654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:40:51, skipping insertion in model container [2020-11-06 21:40:51,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:49" (2/3) ... [2020-11-06 21:40:51,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb76654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:40:51, skipping insertion in model container [2020-11-06 21:40:51,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:40:51" (3/3) ... [2020-11-06 21:40:51,427 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12.cil.c [2020-11-06 21:40:51,445 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:40:51,449 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:40:51,463 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:40:51,497 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:40:51,497 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:40:51,497 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:40:51,497 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:40:51,498 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:40:51,498 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:40:51,498 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:40:51,498 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:40:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-11-06 21:40:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-11-06 21:40:51,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:40:51,533 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] [2020-11-06 21:40:51,534 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:40:51,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:40:51,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1543228739, now seen corresponding path program 1 times [2020-11-06 21:40:51,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:40:51,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448365787] [2020-11-06 21:40:51,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:40:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:52,405 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:40:52,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:40:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:52,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:40:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:52,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:40:52,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:52,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:40:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:52,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:40:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:52,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:40:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:52,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:40:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:52,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-11-06 21:40:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:40:52,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448365787] [2020-11-06 21:40:52,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:40:52,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 21:40:52,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416399805] [2020-11-06 21:40:52,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 21:40:52,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:40:52,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 21:40:52,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 21:40:52,572 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 3 states. [2020-11-06 21:40:53,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:40:53,729 INFO L93 Difference]: Finished difference Result 245 states and 323 transitions. [2020-11-06 21:40:53,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 21:40:53,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-11-06 21:40:53,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:40:53,745 INFO L225 Difference]: With dead ends: 245 [2020-11-06 21:40:53,745 INFO L226 Difference]: Without dead ends: 132 [2020-11-06 21:40:53,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-06 21:40:53,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-11-06 21:40:53,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 101. [2020-11-06 21:40:53,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-11-06 21:40:53,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2020-11-06 21:40:53,838 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 53 [2020-11-06 21:40:53,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:40:53,838 INFO L481 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2020-11-06 21:40:53,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 21:40:53,839 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2020-11-06 21:40:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-06 21:40:53,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:40:53,842 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] [2020-11-06 21:40:53,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:40:53,843 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:40:53,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:40:53,844 INFO L82 PathProgramCache]: Analyzing trace with hash 674245156, now seen corresponding path program 1 times [2020-11-06 21:40:53,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:40:53,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376216028] [2020-11-06 21:40:53,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:40:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:54,392 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:40:54,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:40:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:54,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:40:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:54,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:40:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:54,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:40:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:54,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:40:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:54,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:40:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-11-06 21:40:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-11-06 21:40:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:54,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:40:54,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376216028] [2020-11-06 21:40:54,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:40:54,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:40:54,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002728261] [2020-11-06 21:40:54,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:40:54,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:40:54,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:40:54,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:40:54,456 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 4 states. [2020-11-06 21:40:55,053 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:40:55,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:40:55,777 INFO L93 Difference]: Finished difference Result 162 states and 196 transitions. [2020-11-06 21:40:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 21:40:55,778 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-11-06 21:40:55,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:40:55,780 INFO L225 Difference]: With dead ends: 162 [2020-11-06 21:40:55,780 INFO L226 Difference]: Without dead ends: 116 [2020-11-06 21:40:55,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 21:40:55,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-11-06 21:40:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 92. [2020-11-06 21:40:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-11-06 21:40:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2020-11-06 21:40:55,827 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 54 [2020-11-06 21:40:55,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:40:55,827 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2020-11-06 21:40:55,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:40:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2020-11-06 21:40:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-06 21:40:55,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:40:55,830 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] [2020-11-06 21:40:55,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:40:55,830 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:40:55,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:40:55,831 INFO L82 PathProgramCache]: Analyzing trace with hash 333658980, now seen corresponding path program 1 times [2020-11-06 21:40:55,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:40:55,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782681792] [2020-11-06 21:40:55,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:40:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:56,382 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:40:56,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:40:56,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:56,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:40:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:56,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:40:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:56,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:40:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:56,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:40:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:56,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 21:40:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:56,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-11-06 21:40:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:56,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-06 21:40:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:40:56,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:40:56,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782681792] [2020-11-06 21:40:56,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:40:56,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-06 21:40:56,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254833035] [2020-11-06 21:40:56,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 21:40:56,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:40:56,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 21:40:56,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-06 21:40:56,479 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 8 states. [2020-11-06 21:40:57,037 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:40:57,490 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:40:57,894 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:40:58,256 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:40:59,279 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:41:00,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:41:00,791 INFO L93 Difference]: Finished difference Result 330 states and 405 transitions. [2020-11-06 21:41:00,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 21:41:00,793 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-11-06 21:41:00,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:41:00,800 INFO L225 Difference]: With dead ends: 330 [2020-11-06 21:41:00,801 INFO L226 Difference]: Without dead ends: 262 [2020-11-06 21:41:00,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-06 21:41:00,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-11-06 21:41:00,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 191. [2020-11-06 21:41:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-11-06 21:41:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 226 transitions. [2020-11-06 21:41:00,925 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 226 transitions. Word has length 59 [2020-11-06 21:41:00,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:41:00,926 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 226 transitions. [2020-11-06 21:41:00,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 21:41:00,926 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 226 transitions. [2020-11-06 21:41:00,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-06 21:41:00,941 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:41:00,941 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] [2020-11-06 21:41:00,941 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:41:00,941 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:41:00,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:41:00,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1416775293, now seen corresponding path program 1 times [2020-11-06 21:41:00,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:41:00,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568708208] [2020-11-06 21:41:00,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:41:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,441 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-06 21:41:01,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:41:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:41:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:41:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:41:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:41:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-11-06 21:41:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:41:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:41:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-06 21:41:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:41:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:41:01,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568708208] [2020-11-06 21:41:01,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:41:01,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 21:41:01,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642900501] [2020-11-06 21:41:01,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 21:41:01,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:41:01,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 21:41:01,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:41:01,578 INFO L87 Difference]: Start difference. First operand 191 states and 226 transitions. Second operand 7 states. [2020-11-06 21:41:02,126 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:41:03,506 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:41:03,963 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:41:04,370 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-06 21:41:04,788 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-06 21:41:05,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:41:05,176 INFO L93 Difference]: Finished difference Result 539 states and 684 transitions. [2020-11-06 21:41:05,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 21:41:05,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-11-06 21:41:05,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:41:05,183 INFO L225 Difference]: With dead ends: 539 [2020-11-06 21:41:05,183 INFO L226 Difference]: Without dead ends: 372 [2020-11-06 21:41:05,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:41:05,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2020-11-06 21:41:05,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 350. [2020-11-06 21:41:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-11-06 21:41:05,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 426 transitions. [2020-11-06 21:41:05,304 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 426 transitions. Word has length 62 [2020-11-06 21:41:05,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:41:05,304 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 426 transitions. [2020-11-06 21:41:05,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 21:41:05,304 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 426 transitions. [2020-11-06 21:41:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-06 21:41:05,307 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:41:05,307 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] [2020-11-06 21:41:05,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:41:05,308 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:41:05,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:41:05,308 INFO L82 PathProgramCache]: Analyzing trace with hash -16622985, now seen corresponding path program 1 times [2020-11-06 21:41:05,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:41:05,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49118735] [2020-11-06 21:41:05,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:41:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:41:05,381 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:41:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-06 21:41:05,451 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-06 21:41:05,532 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-06 21:41:05,532 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-06 21:41:05,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:41:05,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:41:05 BoogieIcfgContainer [2020-11-06 21:41:05,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:41:05,685 INFO L168 Benchmark]: Toolchain (without parser) took 16525.13 ms. Allocated memory was 154.1 MB in the beginning and 323.0 MB in the end (delta: 168.8 MB). Free memory was 128.7 MB in the beginning and 214.9 MB in the end (delta: -86.3 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-11-06 21:41:05,686 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:41:05,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.72 ms. Allocated memory is still 154.1 MB. Free memory was 128.0 MB in the beginning and 107.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-06 21:41:05,689 INFO L168 Benchmark]: Boogie Preprocessor took 91.28 ms. Allocated memory is still 154.1 MB. Free memory was 107.9 MB in the beginning and 104.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:41:05,690 INFO L168 Benchmark]: RCFGBuilder took 1504.08 ms. Allocated memory is still 154.1 MB. Free memory was 104.1 MB in the beginning and 68.4 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. [2020-11-06 21:41:05,691 INFO L168 Benchmark]: TraceAbstraction took 14265.26 ms. Allocated memory was 154.1 MB in the beginning and 323.0 MB in the end (delta: 168.8 MB). Free memory was 67.9 MB in the beginning and 214.9 MB in the end (delta: -147.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 8.0 GB. [2020-11-06 21:41:05,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 125.8 MB. Free memory is still 86.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 649.72 ms. Allocated memory is still 154.1 MB. Free memory was 128.0 MB in the beginning and 107.9 MB in the end (delta: 20.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 91.28 ms. Allocated memory is still 154.1 MB. Free memory was 107.9 MB in the beginning and 104.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1504.08 ms. Allocated memory is still 154.1 MB. Free memory was 104.1 MB in the beginning and 68.4 MB in the end (delta: 35.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 14265.26 ms. Allocated memory was 154.1 MB in the beginning and 323.0 MB in the end (delta: 168.8 MB). Free memory was 67.9 MB in the beginning and 214.9 MB in the end (delta: -147.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L160] int pumpRunning = 0; [L161] int systemActive = 1; [L308] int waterLevel = 1; [L309] int methaneLevelCritical = 0; [L595] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L792] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=169, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=143, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L865] int retValue_acc ; [L866] 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] [L870] 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] [L871] 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] [L872] 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] [L417] int retValue_acc ; [L420] retValue_acc = 1 [L421] 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] [L872] 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] [L872] tmp = valid_product() [L874] 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] [L876] 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] [L877] 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] [L859] 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] [L87] int splverifierCounter ; [L88] int tmp ; [L89] int tmp___0 ; [L90] int tmp___1 ; [L91] int tmp___2 ; [L94] 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] [L96] 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] [L98] 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] [L104] tmp = __VERIFIER_nondet_int() [L106] 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] [L108] 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] [L326] COND TRUE waterLevel < 2 [L327] 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] [L108] 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] [L114] tmp___0 = __VERIFIER_nondet_int() [L116] 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] [L124] tmp___2 = __VERIFIER_nondet_int() [L126] COND FALSE !(\read(tmp___2)) [L132] tmp___1 = __VERIFIER_nondet_int() [L134] COND FALSE !(\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=0, tmp___2=0, waterLevel=2] [L143] 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] [L167] 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] [L174] 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] [L176] FCALL 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] [L182] 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] [L47] int tmp ; [L48] int tmp___0 ; [L49] 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] [L53] 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] [L347] int retValue_acc ; [L350] retValue_acc = methaneLevelCritical [L351] 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] [L53] 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] [L53] tmp = isMethaneLevelCritical() [L55] 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] [L59] 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] [L379] int retValue_acc ; [L382] retValue_acc = waterLevel [L383] 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] [L59] 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] [L59] tmp___0 = getWaterLevel() [L61] 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] [L63] 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] [L240] int retValue_acc ; [L243] retValue_acc = pumpRunning [L244] 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] [L63] 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] [L63] tmp___1 = isPumpRunning() [L65] 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] [L69] 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] [L892] CALL reach_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] [L3] __assert_fail("0", "minepump_spec3_product12.cil.c", 3, "reach_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 38 procedures, 226 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 14.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 373 SDtfs, 476 SDslu, 345 SDs, 0 SdLazy, 1304 SolverSat, 274 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=350occurred 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: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 66286 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...