/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_spec2_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:00:45,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:00:45,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:00:45,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:00:45,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:00:45,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:00:45,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:00:45,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:00:45,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:00:45,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:00:45,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:00:45,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:00:45,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:00:45,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:00:45,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:00:45,249 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:00:45,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:00:45,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:00:45,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:00:45,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:00:45,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:00:45,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:00:45,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:00:45,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:00:45,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:00:45,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:00:45,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:00:45,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:00:45,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:00:45,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:00:45,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:00:45,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:00:45,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:00:45,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:00:45,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:00:45,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:00:45,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:00:45,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:00:45,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:00:45,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:00:45,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:00:45,276 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 [2021-02-19 17:00:45,301 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:00:45,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:00:45,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:00:45,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:00:45,303 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:00:45,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:00:45,304 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:00:45,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:00:45,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:00:45,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:00:45,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:00:45,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:00:45,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:00:45,305 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:00:45,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:00:45,305 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:00:45,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:00:45,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:00:45,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:00:45,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:00:45,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:00:45,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:00:45,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:00:45,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:00:45,307 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:00:45,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:00:45,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:00:45,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:00:45,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:00:45,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:00:45,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:00:45,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:00:45,704 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:00:45,704 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:00:45,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2021-02-19 17:00:45,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/536ea4d05/996326686b9444bb84f8cb4740a0d964/FLAG2979dce95 [2021-02-19 17:00:46,577 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:00:46,578 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product29.cil.c [2021-02-19 17:00:46,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/536ea4d05/996326686b9444bb84f8cb4740a0d964/FLAG2979dce95 [2021-02-19 17:00:46,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/536ea4d05/996326686b9444bb84f8cb4740a0d964 [2021-02-19 17:00:46,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:00:46,625 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:00:46,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:00:46,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:00:46,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:00:46,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:00:46" (1/1) ... [2021-02-19 17:00:46,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5df327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:46, skipping insertion in model container [2021-02-19 17:00:46,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:00:46" (1/1) ... [2021-02-19 17:00:46,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:00:46,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:00:46,906 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_spec2_product29.cil.c[4935,4948] [2021-02-19 17:00:47,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:00:47,036 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:00:47,071 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_spec2_product29.cil.c[4935,4948] [2021-02-19 17:00:47,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:00:47,193 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:00:47,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47 WrapperNode [2021-02-19 17:00:47,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:00:47,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:00:47,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:00:47,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:00:47,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47" (1/1) ... [2021-02-19 17:00:47,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47" (1/1) ... [2021-02-19 17:00:47,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47" (1/1) ... [2021-02-19 17:00:47,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47" (1/1) ... [2021-02-19 17:00:47,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47" (1/1) ... [2021-02-19 17:00:47,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47" (1/1) ... [2021-02-19 17:00:47,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47" (1/1) ... [2021-02-19 17:00:47,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:00:47,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:00:47,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:00:47,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:00:47,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47" (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 [2021-02-19 17:00:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:00:47,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:00:47,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:00:47,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:00:47,456 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:00:47,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 17:00:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 17:00:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:00:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:00:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:00:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:00:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:00:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:00:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:00:47,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 17:00:47,464 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:00:47,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:00:47,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:00:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:00:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:00:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:00:47,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:00:47,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2021-02-19 17:00:47,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2021-02-19 17:00:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:00:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:00:47,472 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:00:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:00:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:00:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:00:47,473 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:00:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:00:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:00:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:00:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 17:00:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:00:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:00:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:00:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:00:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:00:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:00:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:00:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:00:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:00:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:00:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:00:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:00:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:00:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:00:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:00:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 17:00:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:00:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:00:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:00:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:00:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:00:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2021-02-19 17:00:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:00:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 17:00:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 17:00:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-19 17:00:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:00:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:00:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:00:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:00:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:00:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:00:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:00:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:00:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:00:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2021-02-19 17:00:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:00:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:00:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:00:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:00:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:00:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:00:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:00:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:00:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:00:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:00:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:00:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:00:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:00:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:00:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:00:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:00:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:00:48,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:00:48,695 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:00:48,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:00:48 BoogieIcfgContainer [2021-02-19 17:00:48,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:00:48,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:00:48,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:00:48,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:00:48,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:00:46" (1/3) ... [2021-02-19 17:00:48,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea580b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:00:48, skipping insertion in model container [2021-02-19 17:00:48,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:47" (2/3) ... [2021-02-19 17:00:48,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea580b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:00:48, skipping insertion in model container [2021-02-19 17:00:48,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:00:48" (3/3) ... [2021-02-19 17:00:48,715 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2021-02-19 17:00:48,722 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:00:48,728 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:00:48,751 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:00:48,786 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:00:48,786 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:00:48,786 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:00:48,786 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:00:48,786 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:00:48,787 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:00:48,787 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:00:48,787 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:00:48,809 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2021-02-19 17:00:48,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 17:00:48,821 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:48,822 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] [2021-02-19 17:00:48,823 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:48,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:48,833 INFO L82 PathProgramCache]: Analyzing trace with hash -116818113, now seen corresponding path program 1 times [2021-02-19 17:00:48,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:48,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645992804] [2021-02-19 17:00:48,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,582 WARN L202 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:49,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 17:00:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-19 17:00:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:49,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:49,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645992804] [2021-02-19 17:00:49,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:49,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:00:49,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83508151] [2021-02-19 17:00:49,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:00:49,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:49,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:00:49,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:00:49,754 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 4 states. [2021-02-19 17:00:51,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:51,102 INFO L93 Difference]: Finished difference Result 278 states and 367 transitions. [2021-02-19 17:00:51,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:00:51,104 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-02-19 17:00:51,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:51,117 INFO L225 Difference]: With dead ends: 278 [2021-02-19 17:00:51,117 INFO L226 Difference]: Without dead ends: 155 [2021-02-19 17:00:51,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:00:51,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-02-19 17:00:51,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 124. [2021-02-19 17:00:51,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2021-02-19 17:00:51,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 147 transitions. [2021-02-19 17:00:51,217 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 147 transitions. Word has length 51 [2021-02-19 17:00:51,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:51,218 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 147 transitions. [2021-02-19 17:00:51,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:00:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 147 transitions. [2021-02-19 17:00:51,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 17:00:51,221 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:51,222 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] [2021-02-19 17:00:51,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:00:51,222 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:51,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:51,223 INFO L82 PathProgramCache]: Analyzing trace with hash -2054049354, now seen corresponding path program 1 times [2021-02-19 17:00:51,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:51,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889844180] [2021-02-19 17:00:51,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:51,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:51,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,696 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:51,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:51,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:51,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:51,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:51,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:51,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:51,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:00:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:51,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 17:00:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:51,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:51,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:51,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:51,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889844180] [2021-02-19 17:00:51,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:51,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:00:51,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829980307] [2021-02-19 17:00:51,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:00:51,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:51,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:00:51,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:00:51,768 INFO L87 Difference]: Start difference. First operand 124 states and 147 transitions. Second operand 5 states. [2021-02-19 17:00:52,342 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:00:53,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:53,342 INFO L93 Difference]: Finished difference Result 223 states and 278 transitions. [2021-02-19 17:00:53,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:00:53,345 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-02-19 17:00:53,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:53,349 INFO L225 Difference]: With dead ends: 223 [2021-02-19 17:00:53,350 INFO L226 Difference]: Without dead ends: 145 [2021-02-19 17:00:53,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:00:53,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-02-19 17:00:53,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2021-02-19 17:00:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-02-19 17:00:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2021-02-19 17:00:53,399 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2021-02-19 17:00:53,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:53,399 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2021-02-19 17:00:53,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:00:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2021-02-19 17:00:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-02-19 17:00:53,402 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:53,402 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] [2021-02-19 17:00:53,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:00:53,402 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:53,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:53,403 INFO L82 PathProgramCache]: Analyzing trace with hash 932944704, now seen corresponding path program 1 times [2021-02-19 17:00:53,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:53,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893177647] [2021-02-19 17:00:53,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:53,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:53,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:53,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:53,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:00:53,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:53,814 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:53,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:53,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:00:53,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:53,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:53,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:53,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:53,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:53,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:53,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:53,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:53,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:53,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:53,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-19 17:00:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:53,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 17:00:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:53,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:53,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:53,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893177647] [2021-02-19 17:00:53,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:53,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:00:53,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551046848] [2021-02-19 17:00:53,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:00:53,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:53,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:00:53,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:00:53,915 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 9 states. [2021-02-19 17:00:54,417 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:00:54,850 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:55,241 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:55,598 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:56,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:56,867 INFO L93 Difference]: Finished difference Result 232 states and 293 transitions. [2021-02-19 17:00:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 17:00:56,868 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2021-02-19 17:00:56,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:56,871 INFO L225 Difference]: With dead ends: 232 [2021-02-19 17:00:56,871 INFO L226 Difference]: Without dead ends: 145 [2021-02-19 17:00:56,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-19 17:00:56,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-02-19 17:00:56,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 115. [2021-02-19 17:00:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-02-19 17:00:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2021-02-19 17:00:56,927 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 56 [2021-02-19 17:00:56,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:56,927 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2021-02-19 17:00:56,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:00:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2021-02-19 17:00:56,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-02-19 17:00:56,932 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:56,932 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:00:56,933 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:00:56,933 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:56,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:56,933 INFO L82 PathProgramCache]: Analyzing trace with hash 999639865, now seen corresponding path program 1 times [2021-02-19 17:00:56,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:56,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508449625] [2021-02-19 17:00:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,055 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:57,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:57,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:57,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:57,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:57,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:57,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,374 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:57,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:57,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 17:00:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:00:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:00:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-02-19 17:00:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:57,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-19 17:00:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:57,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:57,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:57,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508449625] [2021-02-19 17:00:57,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:57,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:00:57,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77007486] [2021-02-19 17:00:57,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:00:57,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:57,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:00:57,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:00:57,493 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 9 states. [2021-02-19 17:00:58,084 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:00:59,102 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:59,565 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:01:00,633 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:01:00,992 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:01:01,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:01:01,935 INFO L93 Difference]: Finished difference Result 356 states and 474 transitions. [2021-02-19 17:01:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 17:01:01,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 69 [2021-02-19 17:01:01,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:01:01,941 INFO L225 Difference]: With dead ends: 356 [2021-02-19 17:01:01,941 INFO L226 Difference]: Without dead ends: 269 [2021-02-19 17:01:01,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2021-02-19 17:01:01,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-02-19 17:01:02,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 192. [2021-02-19 17:01:02,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2021-02-19 17:01:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2021-02-19 17:01:02,027 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 69 [2021-02-19 17:01:02,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:01:02,028 INFO L480 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2021-02-19 17:01:02,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:01:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2021-02-19 17:01:02,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-02-19 17:01:02,031 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:01:02,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:01:02,031 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:01:02,031 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:01:02,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:01:02,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1625690141, now seen corresponding path program 1 times [2021-02-19 17:01:02,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:01:02,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752801651] [2021-02-19 17:01:02,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:01:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,447 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:01:02,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:01:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:01:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:01:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:01:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:01:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:01:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-02-19 17:01:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 17:01:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:01:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:01:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-19 17:01:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:01:02,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-02-19 17:01:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:01:02,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:01:02,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:01:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:01:02,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752801651] [2021-02-19 17:01:02,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:01:02,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-19 17:01:02,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382792286] [2021-02-19 17:01:02,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 17:01:02,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:01:02,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 17:01:02,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:01:02,599 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand 10 states. [2021-02-19 17:01:03,174 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:01:04,225 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:01:04,602 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:01:04,973 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:01:05,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:01:05,264 INFO L93 Difference]: Finished difference Result 329 states and 420 transitions. [2021-02-19 17:01:05,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:01:05,265 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2021-02-19 17:01:05,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:01:05,265 INFO L225 Difference]: With dead ends: 329 [2021-02-19 17:01:05,265 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:01:05,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2021-02-19 17:01:05,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:01:05,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:01:05,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:01:05,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:01:05,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-02-19 17:01:05,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:01:05,268 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:01:05,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-19 17:01:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:01:05,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:01:05,268 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 17:01:05,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:01:05,521 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 220 [2021-02-19 17:01:06,316 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 221 [2021-02-19 17:01:07,718 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 17 [2021-02-19 17:01:08,188 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-19 17:01:08,634 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-19 17:01:08,875 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:09,135 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-19 17:01:09,435 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2021-02-19 17:01:09,696 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2021-02-19 17:01:10,006 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:01:10,171 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 17 [2021-02-19 17:01:10,697 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-19 17:01:11,253 WARN L202 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 12 [2021-02-19 17:01:11,798 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-19 17:01:12,305 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 17:01:12,624 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:13,157 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-19 17:01:13,670 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-19 17:01:13,942 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:14,193 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:14,452 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2021-02-19 17:01:14,719 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:15,022 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-19 17:01:15,538 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 17:01:15,811 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:16,079 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2021-02-19 17:01:16,629 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-19 17:01:17,155 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 17:01:17,159 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:01:17,159 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:01:17,159 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:01:17,160 INFO L189 CegarLoopUtils]: For program point L672(lines 672 676) no Hoare annotation was computed. [2021-02-19 17:01:17,160 INFO L189 CegarLoopUtils]: For program point L672-1(lines 672 676) no Hoare annotation was computed. [2021-02-19 17:01:17,160 INFO L189 CegarLoopUtils]: For program point L667(line 667) no Hoare annotation was computed. [2021-02-19 17:01:17,160 INFO L189 CegarLoopUtils]: For program point L666-2(lines 666 687) no Hoare annotation was computed. [2021-02-19 17:01:17,160 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 641 696) no Hoare annotation was computed. [2021-02-19 17:01:17,161 INFO L189 CegarLoopUtils]: For program point L688(lines 665 689) no Hoare annotation was computed. [2021-02-19 17:01:17,161 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 641 696) no Hoare annotation was computed. [2021-02-19 17:01:17,161 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 641 696) no Hoare annotation was computed. [2021-02-19 17:01:17,161 INFO L189 CegarLoopUtils]: For program point L729(lines 729 733) no Hoare annotation was computed. [2021-02-19 17:01:17,161 INFO L189 CegarLoopUtils]: For program point L729-1(lines 729 733) no Hoare annotation was computed. [2021-02-19 17:01:17,161 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 697 756) no Hoare annotation was computed. [2021-02-19 17:01:17,162 INFO L189 CegarLoopUtils]: For program point L724(line 724) no Hoare annotation was computed. [2021-02-19 17:01:17,162 INFO L189 CegarLoopUtils]: For program point L723-2(lines 723 748) no Hoare annotation was computed. [2021-02-19 17:01:17,162 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 697 756) no Hoare annotation was computed. [2021-02-19 17:01:17,162 INFO L189 CegarLoopUtils]: For program point L749(lines 722 750) no Hoare annotation was computed. [2021-02-19 17:01:17,162 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 697 756) no Hoare annotation was computed. [2021-02-19 17:01:17,162 INFO L189 CegarLoopUtils]: For program point L742(line 742) no Hoare annotation was computed. [2021-02-19 17:01:17,162 INFO L189 CegarLoopUtils]: For program point L742-1(line 742) no Hoare annotation was computed. [2021-02-19 17:01:17,163 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 482 488) the Hoare annotation is: true [2021-02-19 17:01:17,163 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 482 488) no Hoare annotation was computed. [2021-02-19 17:01:17,163 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 489 497) no Hoare annotation was computed. [2021-02-19 17:01:17,163 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 489 497) the Hoare annotation is: true [2021-02-19 17:01:17,163 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 489 497) no Hoare annotation was computed. [2021-02-19 17:01:17,163 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 401 423) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,163 INFO L185 CegarLoopUtils]: At program point L413(line 413) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,164 INFO L185 CegarLoopUtils]: At program point L413-1(line 413) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,164 INFO L189 CegarLoopUtils]: For program point L411(lines 411 418) no Hoare annotation was computed. [2021-02-19 17:01:17,164 INFO L189 CegarLoopUtils]: For program point L411-1(lines 411 418) no Hoare annotation was computed. [2021-02-19 17:01:17,164 INFO L189 CegarLoopUtils]: For program point L409(line 409) no Hoare annotation was computed. [2021-02-19 17:01:17,164 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 401 423) no Hoare annotation was computed. [2021-02-19 17:01:17,164 INFO L185 CegarLoopUtils]: At program point L408(line 408) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,165 INFO L185 CegarLoopUtils]: At program point L407(line 407) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,165 INFO L185 CegarLoopUtils]: At program point L407-1(line 407) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,165 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 401 423) no Hoare annotation was computed. [2021-02-19 17:01:17,165 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 355 378) no Hoare annotation was computed. [2021-02-19 17:01:17,165 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 355 378) no Hoare annotation was computed. [2021-02-19 17:01:17,165 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 355 378) no Hoare annotation was computed. [2021-02-19 17:01:17,165 INFO L189 CegarLoopUtils]: For program point L373(line 373) no Hoare annotation was computed. [2021-02-19 17:01:17,165 INFO L189 CegarLoopUtils]: For program point L372(line 372) no Hoare annotation was computed. [2021-02-19 17:01:17,165 INFO L189 CegarLoopUtils]: For program point L371(line 371) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L370(line 370) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L369(line 369) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L368(line 368) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L367(line 367) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L366(line 366) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L365(line 365) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L364(line 364) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L363(line 363) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L362(line 362) no Hoare annotation was computed. [2021-02-19 17:01:17,166 INFO L189 CegarLoopUtils]: For program point L361(line 361) no Hoare annotation was computed. [2021-02-19 17:01:17,167 INFO L189 CegarLoopUtils]: For program point L360(line 360) no Hoare annotation was computed. [2021-02-19 17:01:17,167 INFO L185 CegarLoopUtils]: At program point L97(line 97) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,167 INFO L189 CegarLoopUtils]: For program point L95(lines 95 103) no Hoare annotation was computed. [2021-02-19 17:01:17,167 INFO L185 CegarLoopUtils]: At program point L93(line 93) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,167 INFO L189 CegarLoopUtils]: For program point L93-1(line 93) no Hoare annotation was computed. [2021-02-19 17:01:17,167 INFO L189 CegarLoopUtils]: For program point L91(lines 91 108) no Hoare annotation was computed. [2021-02-19 17:01:17,167 INFO L185 CegarLoopUtils]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 87 111) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,167 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 87 111) no Hoare annotation was computed. [2021-02-19 17:01:17,168 INFO L185 CegarLoopUtils]: At program point L106(line 106) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,168 INFO L189 CegarLoopUtils]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2021-02-19 17:01:17,168 INFO L185 CegarLoopUtils]: At program point L101(line 101) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,168 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 182 190) no Hoare annotation was computed. [2021-02-19 17:01:17,168 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 182 190) the Hoare annotation is: true [2021-02-19 17:01:17,168 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 182 190) no Hoare annotation was computed. [2021-02-19 17:01:17,168 INFO L189 CegarLoopUtils]: For program point L236(lines 236 240) no Hoare annotation was computed. [2021-02-19 17:01:17,168 INFO L192 CegarLoopUtils]: At program point L234(line 234) the Hoare annotation is: true [2021-02-19 17:01:17,168 INFO L189 CegarLoopUtils]: For program point L236-2(lines 236 240) no Hoare annotation was computed. [2021-02-19 17:01:17,168 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 227 245) the Hoare annotation is: true [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point L234-1(line 234) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 227 245) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 227 245) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point L221(line 221) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point L221-1(line 221) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point L210(lines 210 218) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 191 226) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 191 226) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point L198(lines 198 206) no Hoare annotation was computed. [2021-02-19 17:01:17,169 INFO L189 CegarLoopUtils]: For program point L198-2(lines 198 206) no Hoare annotation was computed. [2021-02-19 17:01:17,170 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 191 226) no Hoare annotation was computed. [2021-02-19 17:01:17,170 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 475 481) no Hoare annotation was computed. [2021-02-19 17:01:17,170 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 475 481) the Hoare annotation is: true [2021-02-19 17:01:17,170 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 595 640) no Hoare annotation was computed. [2021-02-19 17:01:17,170 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 595 640) no Hoare annotation was computed. [2021-02-19 17:01:17,170 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 595 640) no Hoare annotation was computed. [2021-02-19 17:01:17,170 INFO L189 CegarLoopUtils]: For program point L928(lines 928 935) no Hoare annotation was computed. [2021-02-19 17:01:17,170 INFO L189 CegarLoopUtils]: For program point L922(lines 922 942) no Hoare annotation was computed. [2021-02-19 17:01:17,170 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 908 953) no Hoare annotation was computed. [2021-02-19 17:01:17,170 INFO L189 CegarLoopUtils]: For program point L922-1(lines 922 942) no Hoare annotation was computed. [2021-02-19 17:01:17,171 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 908 953) no Hoare annotation was computed. [2021-02-19 17:01:17,171 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 908 953) no Hoare annotation was computed. [2021-02-19 17:01:17,171 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 387 397) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,171 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 387 397) no Hoare annotation was computed. [2021-02-19 17:01:17,171 INFO L185 CegarLoopUtils]: At program point L392(line 392) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,171 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 387 397) no Hoare annotation was computed. [2021-02-19 17:01:17,171 INFO L192 CegarLoopUtils]: At program point L176(line 176) the Hoare annotation is: true [2021-02-19 17:01:17,171 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 171 181) the Hoare annotation is: true [2021-02-19 17:01:17,171 INFO L189 CegarLoopUtils]: For program point L176-1(line 176) no Hoare annotation was computed. [2021-02-19 17:01:17,172 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 171 181) no Hoare annotation was computed. [2021-02-19 17:01:17,172 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 171 181) no Hoare annotation was computed. [2021-02-19 17:01:17,172 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 163 170) the Hoare annotation is: true [2021-02-19 17:01:17,172 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2021-02-19 17:01:17,172 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2021-02-19 17:01:17,172 INFO L185 CegarLoopUtils]: At program point L127(line 127) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,172 INFO L185 CegarLoopUtils]: At program point L123(line 123) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,172 INFO L189 CegarLoopUtils]: For program point L121(lines 121 129) no Hoare annotation was computed. [2021-02-19 17:01:17,172 INFO L185 CegarLoopUtils]: At program point L119(line 119) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,172 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2021-02-19 17:01:17,173 INFO L189 CegarLoopUtils]: For program point L119-1(line 119) no Hoare annotation was computed. [2021-02-19 17:01:17,173 INFO L189 CegarLoopUtils]: For program point L117(lines 117 134) no Hoare annotation was computed. [2021-02-19 17:01:17,173 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,173 INFO L185 CegarLoopUtils]: At program point L132(line 132) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,173 INFO L189 CegarLoopUtils]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2021-02-19 17:01:17,173 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2021-02-19 17:01:17,173 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2021-02-19 17:01:17,173 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 250 313) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,173 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 250 313) no Hoare annotation was computed. [2021-02-19 17:01:17,174 INFO L185 CegarLoopUtils]: At program point L306(lines 259 307) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:17,174 INFO L189 CegarLoopUtils]: For program point L296(lines 296 300) no Hoare annotation was computed. [2021-02-19 17:01:17,174 INFO L185 CegarLoopUtils]: At program point L296-2(lines 290 301) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:01:17,174 INFO L189 CegarLoopUtils]: For program point L261(lines 260 305) no Hoare annotation was computed. [2021-02-19 17:01:17,174 INFO L189 CegarLoopUtils]: For program point L290(lines 290 301) no Hoare annotation was computed. [2021-02-19 17:01:17,174 INFO L185 CegarLoopUtils]: At program point L282(line 282) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:01:17,174 INFO L189 CegarLoopUtils]: For program point L280(lines 280 286) no Hoare annotation was computed. [2021-02-19 17:01:17,174 INFO L189 CegarLoopUtils]: For program point L280-1(lines 280 286) no Hoare annotation was computed. [2021-02-19 17:01:17,174 INFO L185 CegarLoopUtils]: At program point L272(line 272) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:01:17,175 INFO L185 CegarLoopUtils]: At program point L303(lines 260 305) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:01:17,175 INFO L189 CegarLoopUtils]: For program point L270(lines 270 276) no Hoare annotation was computed. [2021-02-19 17:01:17,175 INFO L189 CegarLoopUtils]: For program point L270-1(lines 270 276) no Hoare annotation was computed. [2021-02-19 17:01:17,175 INFO L189 CegarLoopUtils]: For program point L262(lines 262 266) no Hoare annotation was computed. [2021-02-19 17:01:17,175 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 250 313) no Hoare annotation was computed. [2021-02-19 17:01:17,175 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 862 907) no Hoare annotation was computed. [2021-02-19 17:01:17,175 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 862 907) no Hoare annotation was computed. [2021-02-19 17:01:17,175 INFO L189 CegarLoopUtils]: For program point L882(lines 882 889) no Hoare annotation was computed. [2021-02-19 17:01:17,175 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 862 907) no Hoare annotation was computed. [2021-02-19 17:01:17,175 INFO L189 CegarLoopUtils]: For program point L876(lines 876 896) no Hoare annotation was computed. [2021-02-19 17:01:17,176 INFO L189 CegarLoopUtils]: For program point L876-1(lines 876 896) no Hoare annotation was computed. [2021-02-19 17:01:17,176 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 138 145) no Hoare annotation was computed. [2021-02-19 17:01:17,176 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 138 145) no Hoare annotation was computed. [2021-02-19 17:01:17,176 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 138 145) no Hoare annotation was computed. [2021-02-19 17:01:17,176 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 579 587) no Hoare annotation was computed. [2021-02-19 17:01:17,176 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 579 587) the Hoare annotation is: true [2021-02-19 17:01:17,176 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 579 587) no Hoare annotation was computed. [2021-02-19 17:01:17,176 INFO L185 CegarLoopUtils]: At program point L449(line 449) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 17:01:17,176 INFO L189 CegarLoopUtils]: For program point L447(lines 447 453) no Hoare annotation was computed. [2021-02-19 17:01:17,176 INFO L189 CegarLoopUtils]: For program point L446(lines 446 456) no Hoare annotation was computed. [2021-02-19 17:01:17,177 INFO L185 CegarLoopUtils]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-02-19 17:01:17,177 INFO L189 CegarLoopUtils]: For program point L444-1(line 444) no Hoare annotation was computed. [2021-02-19 17:01:17,177 INFO L189 CegarLoopUtils]: For program point L442(lines 442 459) no Hoare annotation was computed. [2021-02-19 17:01:17,177 INFO L189 CegarLoopUtils]: For program point L442-1(lines 434 462) no Hoare annotation was computed. [2021-02-19 17:01:17,177 INFO L185 CegarLoopUtils]: At program point L440(line 440) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 17:01:17,177 INFO L189 CegarLoopUtils]: For program point L440-1(line 440) no Hoare annotation was computed. [2021-02-19 17:01:17,177 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 434 462) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 17:01:17,177 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__2EXIT(lines 434 462) no Hoare annotation was computed. [2021-02-19 17:01:17,177 INFO L189 CegarLoopUtils]: For program point L555(lines 555 563) no Hoare annotation was computed. [2021-02-19 17:01:17,178 INFO L189 CegarLoopUtils]: For program point L555-2(lines 555 563) no Hoare annotation was computed. [2021-02-19 17:01:17,178 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 547 569) no Hoare annotation was computed. [2021-02-19 17:01:17,178 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 547 569) no Hoare annotation was computed. [2021-02-19 17:01:17,178 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 547 569) no Hoare annotation was computed. [2021-02-19 17:01:17,178 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 426 433) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 17:01:17,178 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1FINAL(lines 426 433) no Hoare annotation was computed. [2021-02-19 17:01:17,178 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1EXIT(lines 426 433) no Hoare annotation was computed. [2021-02-19 17:01:17,178 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 465 474) no Hoare annotation was computed. [2021-02-19 17:01:17,178 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 465 474) no Hoare annotation was computed. [2021-02-19 17:01:17,179 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 465 474) no Hoare annotation was computed. [2021-02-19 17:01:17,179 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 759 861) no Hoare annotation was computed. [2021-02-19 17:01:17,179 INFO L189 CegarLoopUtils]: For program point L824(line 824) no Hoare annotation was computed. [2021-02-19 17:01:17,179 INFO L189 CegarLoopUtils]: For program point L824-1(line 824) no Hoare annotation was computed. [2021-02-19 17:01:17,179 INFO L189 CegarLoopUtils]: For program point L783(lines 783 787) no Hoare annotation was computed. [2021-02-19 17:01:17,179 INFO L189 CegarLoopUtils]: For program point L847(lines 847 858) no Hoare annotation was computed. [2021-02-19 17:01:17,179 INFO L189 CegarLoopUtils]: For program point L810(lines 810 814) no Hoare annotation was computed. [2021-02-19 17:01:17,179 INFO L189 CegarLoopUtils]: For program point L808-2(lines 808 828) no Hoare annotation was computed. [2021-02-19 17:01:17,179 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 759 861) no Hoare annotation was computed. [2021-02-19 17:01:17,180 INFO L189 CegarLoopUtils]: For program point L829(lines 807 830) no Hoare annotation was computed. [2021-02-19 17:01:17,180 INFO L189 CegarLoopUtils]: For program point L788(lines 788 804) no Hoare annotation was computed. [2021-02-19 17:01:17,182 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 759 861) no Hoare annotation was computed. [2021-02-19 17:01:17,182 INFO L189 CegarLoopUtils]: For program point L848(lines 848 855) no Hoare annotation was computed. [2021-02-19 17:01:17,183 INFO L189 CegarLoopUtils]: For program point L809(lines 808 828) no Hoare annotation was computed. [2021-02-19 17:01:17,183 INFO L189 CegarLoopUtils]: For program point L840(line 840) no Hoare annotation was computed. [2021-02-19 17:01:17,183 INFO L189 CegarLoopUtils]: For program point L840-1(line 840) no Hoare annotation was computed. [2021-02-19 17:01:17,183 INFO L189 CegarLoopUtils]: For program point L805(lines 805 846) no Hoare annotation was computed. [2021-02-19 17:01:17,183 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:01:17,183 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#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~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 17:01:17,183 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:01:17,183 INFO L189 CegarLoopUtils]: For program point L157(line 157) no Hoare annotation was computed. [2021-02-19 17:01:17,183 INFO L189 CegarLoopUtils]: For program point L157-1(lines 146 162) no Hoare annotation was computed. [2021-02-19 17:01:17,183 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 146 162) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point L153(lines 153 159) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 146 162) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point L151(line 151) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point L151-1(line 151) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 570 578) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 570 578) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 570 578) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point L530-1(lines 526 537) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 526 537) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 526 537) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:01:17,184 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:01:17,185 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:01:17,185 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 538 546) the Hoare annotation is: true [2021-02-19 17:01:17,185 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 538 546) no Hoare annotation was computed. [2021-02-19 17:01:17,185 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 538 546) no Hoare annotation was computed. [2021-02-19 17:01:17,185 INFO L185 CegarLoopUtils]: At program point L61(line 61) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,185 INFO L189 CegarLoopUtils]: For program point L59(lines 58 77) no Hoare annotation was computed. [2021-02-19 17:01:17,185 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,185 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2021-02-19 17:01:17,185 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2021-02-19 17:01:17,186 INFO L185 CegarLoopUtils]: At program point L68(line 68) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,186 INFO L185 CegarLoopUtils]: At program point L66(lines 66 72) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:17,186 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2021-02-19 17:01:17,186 INFO L192 CegarLoopUtils]: At program point L350(lines 325 354) the Hoare annotation is: true [2021-02-19 17:01:17,186 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2021-02-19 17:01:17,186 INFO L189 CegarLoopUtils]: For program point L346(line 346) no Hoare annotation was computed. [2021-02-19 17:01:17,186 INFO L189 CegarLoopUtils]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-02-19 17:01:17,186 INFO L192 CegarLoopUtils]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2021-02-19 17:01:17,186 INFO L189 CegarLoopUtils]: For program point L336(line 336) no Hoare annotation was computed. [2021-02-19 17:01:17,186 INFO L192 CegarLoopUtils]: At program point L335-2(lines 335 349) the Hoare annotation is: true [2021-02-19 17:01:17,186 INFO L192 CegarLoopUtils]: At program point L331(line 331) the Hoare annotation is: true [2021-02-19 17:01:17,187 INFO L189 CegarLoopUtils]: For program point L331-1(line 331) no Hoare annotation was computed. [2021-02-19 17:01:17,187 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 502 513) the Hoare annotation is: true [2021-02-19 17:01:17,187 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 502 513) no Hoare annotation was computed. [2021-02-19 17:01:17,187 INFO L189 CegarLoopUtils]: For program point L506-1(lines 502 513) no Hoare annotation was computed. [2021-02-19 17:01:17,187 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2021-02-19 17:01:17,187 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2021-02-19 17:01:17,187 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:01:17,187 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 17:01:17,187 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:01:17,187 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:01:17,187 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 514 525) no Hoare annotation was computed. [2021-02-19 17:01:17,187 INFO L189 CegarLoopUtils]: For program point L518-1(lines 514 525) no Hoare annotation was computed. [2021-02-19 17:01:17,187 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 514 525) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 17:01:17,188 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 315 322) no Hoare annotation was computed. [2021-02-19 17:01:17,188 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 319) no Hoare annotation was computed. [2021-02-19 17:01:17,188 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 315 322) the Hoare annotation is: true [2021-02-19 17:01:17,188 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 315 322) no Hoare annotation was computed. [2021-02-19 17:01:17,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:01:17 BoogieIcfgContainer [2021-02-19 17:01:17,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:01:17,206 INFO L168 Benchmark]: Toolchain (without parser) took 30592.13 ms. Allocated memory was 172.0 MB in the beginning and 470.8 MB in the end (delta: 298.8 MB). Free memory was 145.6 MB in the beginning and 246.3 MB in the end (delta: -100.7 MB). Peak memory consumption was 279.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:17,206 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 172.0 MB. Free memory is still 142.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:01:17,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.58 ms. Allocated memory is still 172.0 MB. Free memory was 144.4 MB in the beginning and 123.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:17,207 INFO L168 Benchmark]: Boogie Preprocessor took 86.75 ms. Allocated memory is still 172.0 MB. Free memory was 123.0 MB in the beginning and 119.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:17,208 INFO L168 Benchmark]: RCFGBuilder took 1418.40 ms. Allocated memory is still 172.0 MB. Free memory was 119.1 MB in the beginning and 68.3 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:17,208 INFO L168 Benchmark]: TraceAbstraction took 28498.68 ms. Allocated memory was 172.0 MB in the beginning and 470.8 MB in the end (delta: 298.8 MB). Free memory was 67.8 MB in the beginning and 246.3 MB in the end (delta: -178.6 MB). Peak memory consumption was 200.7 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:17,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 172.0 MB. Free memory is still 142.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 565.58 ms. Allocated memory is still 172.0 MB. Free memory was 144.4 MB in the beginning and 123.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.75 ms. Allocated memory is still 172.0 MB. Free memory was 123.0 MB in the beginning and 119.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1418.40 ms. Allocated memory is still 172.0 MB. Free memory was 119.1 MB in the beginning and 68.3 MB in the end (delta: 50.8 MB). Peak memory consumption was 50.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28498.68 ms. Allocated memory was 172.0 MB in the beginning and 470.8 MB in the end (delta: 298.8 MB). Free memory was 67.8 MB in the beginning and 246.3 MB in the end (delta: -178.6 MB). Peak memory consumption was 200.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 319]: 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: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 489 SDtfs, 959 SDslu, 415 SDs, 0 SdLazy, 1970 SolverSat, 654 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 168 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 340 PreInvPairs, 372 NumberOfFragments, 830 HoareAnnotationTreeSize, 340 FomulaSimplifications, 98856 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 10050 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 94204 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...