/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_spec1_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 12:49:39,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 12:49:39,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 12:49:39,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 12:49:39,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 12:49:39,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 12:49:39,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 12:49:39,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 12:49:39,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 12:49:39,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 12:49:39,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 12:49:39,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 12:49:39,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 12:49:39,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 12:49:39,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 12:49:39,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 12:49:39,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 12:49:39,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 12:49:39,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 12:49:39,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 12:49:39,288 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 12:49:39,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 12:49:39,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 12:49:39,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 12:49:39,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 12:49:39,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 12:49:39,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 12:49:39,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 12:49:39,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 12:49:39,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 12:49:39,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 12:49:39,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 12:49:39,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 12:49:39,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 12:49:39,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 12:49:39,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 12:49:39,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 12:49:39,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 12:49:39,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 12:49:39,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 12:49:39,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 12:49:39,320 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 [2021-02-23 12:49:39,379 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 12:49:39,379 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 12:49:39,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 12:49:39,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 12:49:39,384 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 12:49:39,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 12:49:39,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 12:49:39,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 12:49:39,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 12:49:39,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 12:49:39,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 12:49:39,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 12:49:39,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 12:49:39,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 12:49:39,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 12:49:39,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 12:49:39,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 12:49:39,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 12:49:39,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 12:49:39,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 12:49:39,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 12:49:39,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 12:49:39,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 12:49:39,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 12:49:39,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 12:49:39,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 12:49:39,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 12:49:39,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 12:49:39,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 12:49:39,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 12:49:39,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 12:49:39,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 12:49:39,884 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 12:49:39,885 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 12:49:39,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2021-02-23 12:49:39,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3f84385/2c21b196d9b041f9825c99472c2de682/FLAGdb5734b90 [2021-02-23 12:49:40,731 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 12:49:40,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c [2021-02-23 12:49:40,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3f84385/2c21b196d9b041f9825c99472c2de682/FLAGdb5734b90 [2021-02-23 12:49:41,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f3f84385/2c21b196d9b041f9825c99472c2de682 [2021-02-23 12:49:41,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 12:49:41,093 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 12:49:41,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 12:49:41,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 12:49:41,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 12:49:41,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12147e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41, skipping insertion in model container [2021-02-23 12:49:41,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 12:49:41,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 12:49:41,492 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c[6849,6862] [2021-02-23 12:49:41,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 12:49:41,569 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 12:49:41,615 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product02.cil.c[6849,6862] [2021-02-23 12:49:41,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 12:49:41,715 INFO L208 MainTranslator]: Completed translation [2021-02-23 12:49:41,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41 WrapperNode [2021-02-23 12:49:41,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 12:49:41,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 12:49:41,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 12:49:41,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 12:49:41,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (1/1) ... [2021-02-23 12:49:41,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 12:49:41,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 12:49:41,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 12:49:41,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 12:49:41,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (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 [2021-02-23 12:49:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 12:49:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 12:49:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 12:49:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 12:49:41,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 12:49:41,942 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 12:49:41,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 12:49:41,942 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 12:49:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 12:49:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 12:49:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 12:49:41,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 12:49:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 12:49:41,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 12:49:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 12:49:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 12:49:41,947 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-23 12:49:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 12:49:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-23 12:49:41,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 12:49:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 12:49:41,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 12:49:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 12:49:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 12:49:41,954 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 12:49:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 12:49:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 12:49:41,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 12:49:41,967 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 12:49:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 12:49:41,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 12:49:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 12:49:41,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 12:49:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 12:49:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 12:49:41,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 12:49:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 12:49:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 12:49:41,970 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 12:49:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 12:49:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 12:49:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 12:49:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 12:49:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 12:49:41,971 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 12:49:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 12:49:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 12:49:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 12:49:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 12:49:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 12:49:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 12:49:41,972 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 12:49:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 12:49:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 12:49:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 12:49:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 12:49:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 12:49:41,973 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 12:49:41,974 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 12:49:41,974 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 12:49:41,974 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 12:49:41,974 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-23 12:49:41,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-23 12:49:41,974 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 12:49:41,974 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 12:49:41,975 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 12:49:41,975 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 12:49:41,975 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 12:49:41,975 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 12:49:41,975 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 12:49:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 12:49:41,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 12:49:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 12:49:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 12:49:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 12:49:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 12:49:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 12:49:41,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 12:49:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 12:49:41,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 12:49:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 12:49:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 12:49:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 12:49:41,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 12:49:41,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 12:49:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 12:49:43,109 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 12:49:43,110 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 12:49:43,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 12:49:43 BoogieIcfgContainer [2021-02-23 12:49:43,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 12:49:43,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 12:49:43,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 12:49:43,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 12:49:43,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 12:49:41" (1/3) ... [2021-02-23 12:49:43,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a906104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 12:49:43, skipping insertion in model container [2021-02-23 12:49:43,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 12:49:41" (2/3) ... [2021-02-23 12:49:43,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a906104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 12:49:43, skipping insertion in model container [2021-02-23 12:49:43,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 12:49:43" (3/3) ... [2021-02-23 12:49:43,126 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02.cil.c [2021-02-23 12:49:43,133 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 12:49:43,139 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 12:49:43,159 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 12:49:43,199 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 12:49:43,199 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 12:49:43,199 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 12:49:43,199 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 12:49:43,200 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 12:49:43,200 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 12:49:43,200 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 12:49:43,200 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 12:49:43,221 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2021-02-23 12:49:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-23 12:49:43,230 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:43,231 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] [2021-02-23 12:49:43,231 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:43,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:43,238 INFO L82 PathProgramCache]: Analyzing trace with hash 865493588, now seen corresponding path program 1 times [2021-02-23 12:49:43,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:43,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956882875] [2021-02-23 12:49:43,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:43,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:43,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:43,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:43,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:43,987 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:43,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:44,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-23 12:49:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 12:49:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:44,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:44,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:44,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956882875] [2021-02-23 12:49:44,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:44,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 12:49:44,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370354920] [2021-02-23 12:49:44,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 12:49:44,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:44,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 12:49:44,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 12:49:44,116 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 3 states. [2021-02-23 12:49:45,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:45,098 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2021-02-23 12:49:45,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 12:49:45,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-23 12:49:45,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:45,113 INFO L225 Difference]: With dead ends: 208 [2021-02-23 12:49:45,113 INFO L226 Difference]: Without dead ends: 114 [2021-02-23 12:49:45,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 12:49:45,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-02-23 12:49:45,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2021-02-23 12:49:45,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-02-23 12:49:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2021-02-23 12:49:45,202 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2021-02-23 12:49:45,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:45,203 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2021-02-23 12:49:45,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 12:49:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2021-02-23 12:49:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-23 12:49:45,207 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:45,207 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] [2021-02-23 12:49:45,207 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 12:49:45,207 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:45,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:45,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1105143118, now seen corresponding path program 1 times [2021-02-23 12:49:45,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:45,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326727295] [2021-02-23 12:49:45,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:45,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,627 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:45,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-23 12:49:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 12:49:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:45,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:45,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:45,692 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326727295] [2021-02-23 12:49:45,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:45,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 12:49:45,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124020765] [2021-02-23 12:49:45,694 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 12:49:45,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:45,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 12:49:45,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 12:49:45,695 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2021-02-23 12:49:46,284 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:49:46,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:46,889 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2021-02-23 12:49:46,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 12:49:46,890 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-23 12:49:46,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:46,893 INFO L225 Difference]: With dead ends: 137 [2021-02-23 12:49:46,893 INFO L226 Difference]: Without dead ends: 98 [2021-02-23 12:49:46,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 12:49:46,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-23 12:49:46,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2021-02-23 12:49:46,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-23 12:49:46,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2021-02-23 12:49:46,933 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2021-02-23 12:49:46,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:46,933 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2021-02-23 12:49:46,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 12:49:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-02-23 12:49:46,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-23 12:49:46,935 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:46,935 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] [2021-02-23 12:49:46,936 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 12:49:46,936 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:46,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:46,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1444974946, now seen corresponding path program 1 times [2021-02-23 12:49:46,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:46,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944722452] [2021-02-23 12:49:46,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:47,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:47,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:47,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:47,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:49:47,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:49:47,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 12:49:47,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,447 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:47,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 12:49:47,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,516 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 12:49:47,518 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 12:49:47,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 12:49:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-23 12:49:47,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:47,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:47,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:47,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944722452] [2021-02-23 12:49:47,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:47,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 12:49:47,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442573181] [2021-02-23 12:49:47,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 12:49:47,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:47,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 12:49:47,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 12:49:47,563 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2021-02-23 12:49:48,127 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:49:48,591 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:49,004 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:49,390 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:50,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:50,220 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2021-02-23 12:49:50,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 12:49:50,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-02-23 12:49:50,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:50,224 INFO L225 Difference]: With dead ends: 150 [2021-02-23 12:49:50,225 INFO L226 Difference]: Without dead ends: 98 [2021-02-23 12:49:50,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 12:49:50,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-23 12:49:50,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2021-02-23 12:49:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-23 12:49:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2021-02-23 12:49:50,260 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2021-02-23 12:49:50,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:50,260 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2021-02-23 12:49:50,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 12:49:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2021-02-23 12:49:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-02-23 12:49:50,262 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:50,262 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] [2021-02-23 12:49:50,263 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 12:49:50,263 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:50,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:50,264 INFO L82 PathProgramCache]: Analyzing trace with hash -256711455, now seen corresponding path program 1 times [2021-02-23 12:49:50,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:50,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699649190] [2021-02-23 12:49:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:50,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:50,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:50,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:50,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:50,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:50,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:50,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:50,716 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:50,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:50,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:50,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:50,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:50,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:50,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:50,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:50,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:50,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:50,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 12:49:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:50,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:50,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-23 12:49:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:50,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:50,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-23 12:49:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:50,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:50,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:50,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699649190] [2021-02-23 12:49:50,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:50,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 12:49:50,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686509726] [2021-02-23 12:49:50,878 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 12:49:50,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:50,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 12:49:50,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 12:49:50,879 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2021-02-23 12:49:51,352 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:49:52,409 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:52,790 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:53,180 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:53,586 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:49:54,014 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 12:49:54,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:54,385 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2021-02-23 12:49:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 12:49:54,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2021-02-23 12:49:54,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:54,388 INFO L225 Difference]: With dead ends: 204 [2021-02-23 12:49:54,389 INFO L226 Difference]: Without dead ends: 152 [2021-02-23 12:49:54,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-02-23 12:49:54,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-02-23 12:49:54,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 119. [2021-02-23 12:49:54,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-02-23 12:49:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2021-02-23 12:49:54,435 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2021-02-23 12:49:54,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:54,435 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2021-02-23 12:49:54,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 12:49:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2021-02-23 12:49:54,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 12:49:54,437 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 12:49:54,438 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] [2021-02-23 12:49:54,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 12:49:54,438 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 12:49:54,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 12:49:54,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1778641755, now seen corresponding path program 1 times [2021-02-23 12:49:54,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 12:49:54,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483412219] [2021-02-23 12:49:54,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 12:49:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:54,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:54,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:54,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:54,843 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:49:54,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 12:49:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:54,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 12:49:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:54,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-23 12:49:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:54,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 12:49:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:54,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 12:49:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:54,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-23 12:49:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:54,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-23 12:49:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:54,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-23 12:49:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 12:49:54,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-23 12:49:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 12:49:54,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 12:49:54,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 12:49:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 12:49:54,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483412219] [2021-02-23 12:49:54,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 12:49:54,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 12:49:54,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949539312] [2021-02-23 12:49:54,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 12:49:54,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 12:49:54,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 12:49:54,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-23 12:49:54,937 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 8 states. [2021-02-23 12:49:55,418 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 12:49:56,361 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:56,767 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:57,142 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 12:49:57,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 12:49:57,278 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2021-02-23 12:49:57,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 12:49:57,279 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-23 12:49:57,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 12:49:57,279 INFO L225 Difference]: With dead ends: 235 [2021-02-23 12:49:57,279 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 12:49:57,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-23 12:49:57,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 12:49:57,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 12:49:57,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 12:49:57,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 12:49:57,282 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-02-23 12:49:57,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 12:49:57,283 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 12:49:57,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 12:49:57,283 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 12:49:57,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 12:49:57,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 12:49:57,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 12:49:57,419 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 15 [2021-02-23 12:49:59,166 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-23 12:49:59,476 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-23 12:50:00,024 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-23 12:50:00,592 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-23 12:50:00,887 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-23 12:50:01,184 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-23 12:50:01,528 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-23 12:50:01,811 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-23 12:50:02,126 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-23 12:50:02,664 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2021-02-23 12:50:03,010 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 12:50:03,283 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-23 12:50:03,823 WARN L202 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-23 12:50:04,397 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2021-02-23 12:50:04,669 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-23 12:50:04,955 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-23 12:50:05,258 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-23 12:50:05,517 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-23 12:50:06,043 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-23 12:50:06,091 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 12:50:06,091 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 12:50:06,092 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 12:50:06,092 INFO L189 CegarLoopUtils]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-02-23 12:50:06,092 INFO L189 CegarLoopUtils]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2021-02-23 12:50:06,092 INFO L189 CegarLoopUtils]: For program point L566(line 566) no Hoare annotation was computed. [2021-02-23 12:50:06,092 INFO L189 CegarLoopUtils]: For program point L565-2(lines 565 586) no Hoare annotation was computed. [2021-02-23 12:50:06,092 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 540 595) no Hoare annotation was computed. [2021-02-23 12:50:06,092 INFO L189 CegarLoopUtils]: For program point L587(lines 564 588) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 540 595) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 540 595) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point L641(line 641) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point L641-1(line 641) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 596 655) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point L628(lines 628 632) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point L628-1(lines 628 632) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point L623(line 623) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 596 655) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point L622-2(lines 622 647) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 596 655) no Hoare annotation was computed. [2021-02-23 12:50:06,093 INFO L189 CegarLoopUtils]: For program point L648(lines 621 649) no Hoare annotation was computed. [2021-02-23 12:50:06,094 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 381 387) the Hoare annotation is: true [2021-02-23 12:50:06,094 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 381 387) no Hoare annotation was computed. [2021-02-23 12:50:06,094 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 388 396) no Hoare annotation was computed. [2021-02-23 12:50:06,094 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 388 396) the Hoare annotation is: true [2021-02-23 12:50:06,094 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 388 396) no Hoare annotation was computed. [2021-02-23 12:50:06,094 INFO L185 CegarLoopUtils]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,094 INFO L185 CegarLoopUtils]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,095 INFO L185 CegarLoopUtils]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,095 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,095 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2021-02-23 12:50:06,095 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2021-02-23 12:50:06,095 INFO L185 CegarLoopUtils]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))) [2021-02-23 12:50:06,095 INFO L185 CegarLoopUtils]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0))) [2021-02-23 12:50:06,096 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-02-23 12:50:06,096 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2021-02-23 12:50:06,096 INFO L189 CegarLoopUtils]: For program point L130(line 130) no Hoare annotation was computed. [2021-02-23 12:50:06,096 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2021-02-23 12:50:06,096 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-02-23 12:50:06,096 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2021-02-23 12:50:06,096 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-02-23 12:50:06,096 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2021-02-23 12:50:06,096 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point L90(line 90) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point L87(line 87) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-02-23 12:50:06,097 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-23 12:50:06,098 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-23 12:50:06,098 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2021-02-23 12:50:06,098 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2021-02-23 12:50:06,098 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 215 223) no Hoare annotation was computed. [2021-02-23 12:50:06,098 INFO L189 CegarLoopUtils]: For program point L254(line 254) no Hoare annotation was computed. [2021-02-23 12:50:06,098 INFO L189 CegarLoopUtils]: For program point L254-1(line 254) no Hoare annotation was computed. [2021-02-23 12:50:06,098 INFO L189 CegarLoopUtils]: For program point L243(lines 243 251) no Hoare annotation was computed. [2021-02-23 12:50:06,098 INFO L189 CegarLoopUtils]: For program point L243-2(lines 243 251) no Hoare annotation was computed. [2021-02-23 12:50:06,098 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 224 259) no Hoare annotation was computed. [2021-02-23 12:50:06,098 INFO L189 CegarLoopUtils]: For program point L231(lines 231 239) no Hoare annotation was computed. [2021-02-23 12:50:06,099 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2021-02-23 12:50:06,099 INFO L189 CegarLoopUtils]: For program point L231-2(lines 231 239) no Hoare annotation was computed. [2021-02-23 12:50:06,099 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2021-02-23 12:50:06,099 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 374 380) no Hoare annotation was computed. [2021-02-23 12:50:06,099 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 374 380) the Hoare annotation is: true [2021-02-23 12:50:06,099 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 494 539) no Hoare annotation was computed. [2021-02-23 12:50:06,099 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 494 539) no Hoare annotation was computed. [2021-02-23 12:50:06,099 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 494 539) no Hoare annotation was computed. [2021-02-23 12:50:06,099 INFO L189 CegarLoopUtils]: For program point L827(lines 827 834) no Hoare annotation was computed. [2021-02-23 12:50:06,100 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 807 852) no Hoare annotation was computed. [2021-02-23 12:50:06,100 INFO L189 CegarLoopUtils]: For program point L821(lines 821 841) no Hoare annotation was computed. [2021-02-23 12:50:06,100 INFO L189 CegarLoopUtils]: For program point L821-1(lines 821 841) no Hoare annotation was computed. [2021-02-23 12:50:06,100 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 807 852) no Hoare annotation was computed. [2021-02-23 12:50:06,100 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 807 852) no Hoare annotation was computed. [2021-02-23 12:50:06,100 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,100 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2021-02-23 12:50:06,101 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2021-02-23 12:50:06,101 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-02-23 12:50:06,101 INFO L189 CegarLoopUtils]: For program point L209-1(line 209) no Hoare annotation was computed. [2021-02-23 12:50:06,101 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 204 214) no Hoare annotation was computed. [2021-02-23 12:50:06,101 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2021-02-23 12:50:06,101 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 204 214) no Hoare annotation was computed. [2021-02-23 12:50:06,101 INFO L189 CegarLoopUtils]: For program point deactivatePumpENTRY(lines 196 203) no Hoare annotation was computed. [2021-02-23 12:50:06,101 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2021-02-23 12:50:06,101 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 196 203) no Hoare annotation was computed. [2021-02-23 12:50:06,102 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 181 187) no Hoare annotation was computed. [2021-02-23 12:50:06,102 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 181 187) the Hoare annotation is: true [2021-02-23 12:50:06,102 INFO L189 CegarLoopUtils]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-02-23 12:50:06,102 INFO L189 CegarLoopUtils]: For program point L289-1(lines 289 295) no Hoare annotation was computed. [2021-02-23 12:50:06,102 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 269 334) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,102 INFO L189 CegarLoopUtils]: For program point L281(lines 281 285) no Hoare annotation was computed. [2021-02-23 12:50:06,102 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 269 334) no Hoare annotation was computed. [2021-02-23 12:50:06,102 INFO L185 CegarLoopUtils]: At program point L327(lines 278 328) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,103 INFO L189 CegarLoopUtils]: For program point L317(lines 317 321) no Hoare annotation was computed. [2021-02-23 12:50:06,103 INFO L185 CegarLoopUtils]: At program point L317-2(lines 309 322) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,103 INFO L189 CegarLoopUtils]: For program point L280(lines 279 326) no Hoare annotation was computed. [2021-02-23 12:50:06,103 INFO L185 CegarLoopUtils]: At program point L311(line 311) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,103 INFO L189 CegarLoopUtils]: For program point L309(lines 309 322) no Hoare annotation was computed. [2021-02-23 12:50:06,103 INFO L185 CegarLoopUtils]: At program point L301(line 301) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,103 INFO L189 CegarLoopUtils]: For program point L299(lines 299 305) no Hoare annotation was computed. [2021-02-23 12:50:06,103 INFO L189 CegarLoopUtils]: For program point L299-1(lines 299 305) no Hoare annotation was computed. [2021-02-23 12:50:06,104 INFO L185 CegarLoopUtils]: At program point L324(lines 279 326) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,104 INFO L185 CegarLoopUtils]: At program point L291(line 291) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-23 12:50:06,104 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 269 334) no Hoare annotation was computed. [2021-02-23 12:50:06,104 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 761 806) no Hoare annotation was computed. [2021-02-23 12:50:06,104 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 761 806) no Hoare annotation was computed. [2021-02-23 12:50:06,104 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 761 806) no Hoare annotation was computed. [2021-02-23 12:50:06,104 INFO L189 CegarLoopUtils]: For program point L781(lines 781 788) no Hoare annotation was computed. [2021-02-23 12:50:06,105 INFO L189 CegarLoopUtils]: For program point L775(lines 775 795) no Hoare annotation was computed. [2021-02-23 12:50:06,105 INFO L189 CegarLoopUtils]: For program point L775-1(lines 775 795) no Hoare annotation was computed. [2021-02-23 12:50:06,105 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 446 468) no Hoare annotation was computed. [2021-02-23 12:50:06,105 INFO L189 CegarLoopUtils]: For program point L454(lines 454 462) no Hoare annotation was computed. [2021-02-23 12:50:06,105 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 446 468) no Hoare annotation was computed. [2021-02-23 12:50:06,105 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 446 468) no Hoare annotation was computed. [2021-02-23 12:50:06,105 INFO L189 CegarLoopUtils]: For program point L454-2(lines 454 462) no Hoare annotation was computed. [2021-02-23 12:50:06,105 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 364 373) no Hoare annotation was computed. [2021-02-23 12:50:06,105 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 364 373) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 364 373) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point L704(lines 704 745) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 658 760) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point L723(line 723) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point L723-1(line 723) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point L682(lines 682 686) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point L746(lines 746 757) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 658 760) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point L709(lines 709 713) no Hoare annotation was computed. [2021-02-23 12:50:06,106 INFO L189 CegarLoopUtils]: For program point L707-2(lines 707 727) no Hoare annotation was computed. [2021-02-23 12:50:06,107 INFO L189 CegarLoopUtils]: For program point L728(lines 706 729) no Hoare annotation was computed. [2021-02-23 12:50:06,107 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 658 760) no Hoare annotation was computed. [2021-02-23 12:50:06,107 INFO L189 CegarLoopUtils]: For program point L687(lines 687 703) no Hoare annotation was computed. [2021-02-23 12:50:06,107 INFO L189 CegarLoopUtils]: For program point L747(lines 747 754) no Hoare annotation was computed. [2021-02-23 12:50:06,107 INFO L189 CegarLoopUtils]: For program point L708(lines 707 727) no Hoare annotation was computed. [2021-02-23 12:50:06,107 INFO L189 CegarLoopUtils]: For program point L739(line 739) no Hoare annotation was computed. [2021-02-23 12:50:06,107 INFO L189 CegarLoopUtils]: For program point L739-1(line 739) no Hoare annotation was computed. [2021-02-23 12:50:06,107 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 12:50:06,108 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-23 12:50:06,108 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 12:50:06,108 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 188 195) no Hoare annotation was computed. [2021-02-23 12:50:06,108 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 188 195) no Hoare annotation was computed. [2021-02-23 12:50:06,108 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 188 195) no Hoare annotation was computed. [2021-02-23 12:50:06,108 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 469 477) no Hoare annotation was computed. [2021-02-23 12:50:06,109 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2021-02-23 12:50:06,109 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2021-02-23 12:50:06,109 INFO L189 CegarLoopUtils]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2021-02-23 12:50:06,109 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-23 12:50:06,109 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2021-02-23 12:50:06,109 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-23 12:50:06,109 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-23 12:50:06,109 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-23 12:50:06,109 INFO L189 CegarLoopUtils]: For program point L161(lines 160 179) no Hoare annotation was computed. [2021-02-23 12:50:06,110 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 157 180) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-23 12:50:06,110 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 157 180) no Hoare annotation was computed. [2021-02-23 12:50:06,110 INFO L185 CegarLoopUtils]: At program point L170(line 170) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-23 12:50:06,110 INFO L185 CegarLoopUtils]: At program point L168(lines 168 174) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-23 12:50:06,110 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 157 180) no Hoare annotation was computed. [2021-02-23 12:50:06,110 INFO L185 CegarLoopUtils]: At program point L163(line 163) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-23 12:50:06,110 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-02-23 12:50:06,110 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2021-02-23 12:50:06,111 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2021-02-23 12:50:06,111 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-02-23 12:50:06,111 INFO L192 CegarLoopUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2021-02-23 12:50:06,111 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-02-23 12:50:06,111 INFO L192 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2021-02-23 12:50:06,111 INFO L192 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: true [2021-02-23 12:50:06,111 INFO L189 CegarLoopUtils]: For program point L50-1(line 50) no Hoare annotation was computed. [2021-02-23 12:50:06,111 INFO L192 CegarLoopUtils]: At program point L69(lines 44 73) the Hoare annotation is: true [2021-02-23 12:50:06,111 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2021-02-23 12:50:06,112 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2021-02-23 12:50:06,112 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2021-02-23 12:50:06,112 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: true [2021-02-23 12:50:06,112 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2021-02-23 12:50:06,112 INFO L189 CegarLoopUtils]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2021-02-23 12:50:06,112 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2021-02-23 12:50:06,112 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2021-02-23 12:50:06,112 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 12:50:06,112 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-23 12:50:06,113 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 12:50:06,113 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 12:50:06,113 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 260 267) no Hoare annotation was computed. [2021-02-23 12:50:06,113 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 260 267) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-23 12:50:06,113 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 260 267) no Hoare annotation was computed. [2021-02-23 12:50:06,113 INFO L189 CegarLoopUtils]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2021-02-23 12:50:06,113 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2021-02-23 12:50:06,113 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-23 12:50:06,114 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 479 486) no Hoare annotation was computed. [2021-02-23 12:50:06,114 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 483) no Hoare annotation was computed. [2021-02-23 12:50:06,114 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 479 486) the Hoare annotation is: true [2021-02-23 12:50:06,114 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 479 486) no Hoare annotation was computed. [2021-02-23 12:50:06,114 INFO L185 CegarLoopUtils]: At program point L351(line 351) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-23 12:50:06,114 INFO L189 CegarLoopUtils]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-02-23 12:50:06,114 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 337 361) the Hoare annotation is: true [2021-02-23 12:50:06,114 INFO L185 CegarLoopUtils]: At program point L347(line 347) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2021-02-23 12:50:06,115 INFO L189 CegarLoopUtils]: For program point L347-1(line 347) no Hoare annotation was computed. [2021-02-23 12:50:06,115 INFO L189 CegarLoopUtils]: For program point L345(lines 345 358) no Hoare annotation was computed. [2021-02-23 12:50:06,115 INFO L189 CegarLoopUtils]: For program point L345-1(lines 337 361) no Hoare annotation was computed. [2021-02-23 12:50:06,115 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 337 361) no Hoare annotation was computed. [2021-02-23 12:50:06,115 INFO L192 CegarLoopUtils]: At program point L343(line 343) the Hoare annotation is: true [2021-02-23 12:50:06,115 INFO L189 CegarLoopUtils]: For program point L343-1(line 343) no Hoare annotation was computed. [2021-02-23 12:50:06,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 12:50:06 BoogieIcfgContainer [2021-02-23 12:50:06,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 12:50:06,133 INFO L168 Benchmark]: Toolchain (without parser) took 25055.57 ms. Allocated memory was 151.0 MB in the beginning and 388.0 MB in the end (delta: 237.0 MB). Free memory was 126.1 MB in the beginning and 204.4 MB in the end (delta: -78.3 MB). Peak memory consumption was 230.0 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:06,133 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 127.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 12:50:06,134 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.11 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 105.4 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:06,134 INFO L168 Benchmark]: Boogie Preprocessor took 121.44 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 101.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:06,135 INFO L168 Benchmark]: RCFGBuilder took 1274.71 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 120.2 MB in the end (delta: -18.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:06,136 INFO L168 Benchmark]: TraceAbstraction took 23014.31 ms. Allocated memory was 151.0 MB in the beginning and 388.0 MB in the end (delta: 237.0 MB). Free memory was 119.7 MB in the beginning and 204.4 MB in the end (delta: -84.7 MB). Peak memory consumption was 222.8 MB. Max. memory is 8.0 GB. [2021-02-23 12:50:06,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 127.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 619.11 ms. Allocated memory is still 151.0 MB. Free memory was 125.0 MB in the beginning and 105.4 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 121.44 ms. Allocated memory is still 151.0 MB. Free memory was 105.4 MB in the beginning and 101.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1274.71 ms. Allocated memory is still 151.0 MB. Free memory was 101.6 MB in the beginning and 120.2 MB in the end (delta: -18.6 MB). Peak memory consumption was 38.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23014.31 ms. Allocated memory was 151.0 MB in the beginning and 388.0 MB in the end (delta: 237.0 MB). Free memory was 119.7 MB in the beginning and 204.4 MB in the end (delta: -84.7 MB). Peak memory consumption was 222.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 483]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 346 SDtfs, 518 SDslu, 237 SDs, 0 SdLazy, 1126 SolverSat, 349 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 106 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 175 PreInvPairs, 205 NumberOfFragments, 635 HoareAnnotationTreeSize, 175 FomulaSimplifications, 31081 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 42 FomulaSimplificationsInter, 7386 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 75802 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 correct! Received shutdown request...