/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_spec5_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:10:46,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:10:46,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:10:46,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:10:46,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:10:46,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:10:46,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:10:46,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:10:46,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:10:46,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:10:46,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:10:46,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:10:46,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:10:46,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:10:46,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:10:46,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:10:46,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:10:46,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:10:47,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:10:47,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:10:47,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:10:47,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:10:47,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:10:47,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:10:47,047 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:10:47,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:10:47,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:10:47,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:10:47,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:10:47,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:10:47,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:10:47,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:10:47,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:10:47,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:10:47,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:10:47,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:10:47,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:10:47,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:10:47,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:10:47,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:10:47,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:10:47,062 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 17:10:47,089 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:10:47,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:10:47,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:10:47,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:10:47,091 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:10:47,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:10:47,091 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:10:47,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:10:47,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:10:47,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:10:47,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:10:47,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:10:47,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:10:47,093 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:10:47,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:10:47,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:10:47,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:10:47,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:10:47,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:10:47,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:10:47,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:10:47,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:10:47,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:10:47,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:10:47,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:10:47,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:10:47,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:10:47,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:10:47,096 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:10:47,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:10:47,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:10:47,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:10:47,481 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:10:47,482 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:10:47,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2021-02-19 17:10:47,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59888d1d/6632d763eb5a482d8f71e70c06c10743/FLAGbd6489a24 [2021-02-19 17:10:48,284 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:10:48,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product24.cil.c [2021-02-19 17:10:48,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59888d1d/6632d763eb5a482d8f71e70c06c10743/FLAGbd6489a24 [2021-02-19 17:10:48,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e59888d1d/6632d763eb5a482d8f71e70c06c10743 [2021-02-19 17:10:48,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:10:48,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:10:48,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:10:48,552 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:10:48,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:10:48,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:10:48" (1/1) ... [2021-02-19 17:10:48,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d3883d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:48, skipping insertion in model container [2021-02-19 17:10:48,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:10:48" (1/1) ... [2021-02-19 17:10:48,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:10:48,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:10:49,006 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_spec5_product24.cil.c[18422,18435] [2021-02-19 17:10:49,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:10:49,022 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:10:49,186 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_spec5_product24.cil.c[18422,18435] [2021-02-19 17:10:49,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:10:49,237 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:10:49,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49 WrapperNode [2021-02-19 17:10:49,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:10:49,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:10:49,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:10:49,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:10:49,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49" (1/1) ... [2021-02-19 17:10:49,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49" (1/1) ... [2021-02-19 17:10:49,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49" (1/1) ... [2021-02-19 17:10:49,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49" (1/1) ... [2021-02-19 17:10:49,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49" (1/1) ... [2021-02-19 17:10:49,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49" (1/1) ... [2021-02-19 17:10:49,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49" (1/1) ... [2021-02-19 17:10:49,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:10:49,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:10:49,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:10:49,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:10:49,374 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:10:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:10:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:10:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:10:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:10:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:10:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:10:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:10:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:10:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:10:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:10:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:10:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:10:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:10:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:10:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:10:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 17:10:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:10:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:10:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:10:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:10:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:10:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 17:10:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-19 17:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:10:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 17:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 17:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 17:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:10:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:10:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:10:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:10:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:10:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:10:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:10:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:10:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:10:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:10:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:10:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:10:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:10:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:10:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:10:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:10:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:10:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:10:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:10:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:10:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:10:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:10:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:10:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:10:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:10:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:10:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:10:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 17:10:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:10:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:10:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:10:49,518 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 17:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 17:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:10:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:10:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 17:10:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 17:10:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-02-19 17:10:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:10:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:10:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:10:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:10:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:10:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:10:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:10:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:10:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:10:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:10:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:10:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:10:50,916 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:10:50,917 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:10:50,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:10:50 BoogieIcfgContainer [2021-02-19 17:10:50,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:10:50,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:10:50,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:10:50,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:10:50,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:10:48" (1/3) ... [2021-02-19 17:10:50,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f210437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:10:50, skipping insertion in model container [2021-02-19 17:10:50,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:10:49" (2/3) ... [2021-02-19 17:10:50,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f210437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:10:50, skipping insertion in model container [2021-02-19 17:10:50,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:10:50" (3/3) ... [2021-02-19 17:10:50,929 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2021-02-19 17:10:50,936 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:10:50,941 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:10:50,962 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:10:50,991 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:10:50,992 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:10:50,992 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:10:50,992 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:10:50,992 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:10:50,992 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:10:50,992 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:10:50,993 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:10:51,015 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2021-02-19 17:10:51,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 17:10:51,025 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:51,026 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:10:51,027 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:51,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:51,034 INFO L82 PathProgramCache]: Analyzing trace with hash 587086139, now seen corresponding path program 1 times [2021-02-19 17:10:51,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:51,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250388821] [2021-02-19 17:10:51,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:51,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:51,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:51,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:51,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:51,892 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:51,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:51,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:51,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:51,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:51,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:51,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:51,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:51,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:51,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:51,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:51,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:51,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:51,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:51,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:51,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:51,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:51,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:51,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:51,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 17:10:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:51,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:51,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:52,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:52,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:10:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:52,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:52,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:52,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:10:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:52,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:52,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:10:52,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250388821] [2021-02-19 17:10:52,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:52,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:10:52,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814945214] [2021-02-19 17:10:52,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:10:52,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:52,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:10:52,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:10:52,115 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 4 states. [2021-02-19 17:10:53,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:53,664 INFO L93 Difference]: Finished difference Result 316 states and 408 transitions. [2021-02-19 17:10:53,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:10:53,666 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-19 17:10:53,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:53,680 INFO L225 Difference]: With dead ends: 316 [2021-02-19 17:10:53,680 INFO L226 Difference]: Without dead ends: 175 [2021-02-19 17:10:53,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:10:53,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-02-19 17:10:53,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 142. [2021-02-19 17:10:53,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2021-02-19 17:10:53,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2021-02-19 17:10:53,796 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2021-02-19 17:10:53,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:53,796 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2021-02-19 17:10:53,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:10:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2021-02-19 17:10:53,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-19 17:10:53,801 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:53,801 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:10:53,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:10:53,801 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:53,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:53,802 INFO L82 PathProgramCache]: Analyzing trace with hash 760080407, now seen corresponding path program 1 times [2021-02-19 17:10:53,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:53,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990170099] [2021-02-19 17:10:53,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:53,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:53,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:53,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:53,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:53,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:53,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,340 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:54,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 17:10:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 17:10:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 17:10:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:54,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:54,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:54,423 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:10:54,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990170099] [2021-02-19 17:10:54,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:54,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:10:54,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751573270] [2021-02-19 17:10:54,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:10:54,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:54,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:10:54,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:10:54,427 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 5 states. [2021-02-19 17:10:55,095 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:10:56,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:56,185 INFO L93 Difference]: Finished difference Result 251 states and 308 transitions. [2021-02-19 17:10:56,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:10:56,186 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-02-19 17:10:56,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:56,190 INFO L225 Difference]: With dead ends: 251 [2021-02-19 17:10:56,190 INFO L226 Difference]: Without dead ends: 165 [2021-02-19 17:10:56,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:10:56,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-02-19 17:10:56,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 133. [2021-02-19 17:10:56,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-02-19 17:10:56,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2021-02-19 17:10:56,245 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60 [2021-02-19 17:10:56,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:56,246 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2021-02-19 17:10:56,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:10:56,246 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2021-02-19 17:10:56,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-19 17:10:56,248 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:10:56,249 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:10:56,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:10:56,249 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:10:56,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:10:56,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1334603272, now seen corresponding path program 1 times [2021-02-19 17:10:56,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:10:56,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663011050] [2021-02-19 17:10:56,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:10:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:56,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:56,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:56,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:56,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:10:56,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:10:56,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:10:56,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:56,715 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:56,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:10:56,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:10:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:56,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:10:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:56,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:10:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:10:56,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:10:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:56,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:10:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:56,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:10:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:56,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:10:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:56,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:10:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:56,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-02-19 17:10:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:10:56,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:10:56,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:10:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-02-19 17:10:56,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663011050] [2021-02-19 17:10:56,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:10:56,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:10:56,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444835391] [2021-02-19 17:10:56,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:10:56,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:10:56,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:10:56,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:10:56,887 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 9 states. [2021-02-19 17:10:57,392 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:10:57,812 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:58,180 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:58,519 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:59,597 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:11:01,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:11:01,665 INFO L93 Difference]: Finished difference Result 448 states and 556 transitions. [2021-02-19 17:11:01,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:11:01,666 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2021-02-19 17:11:01,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:11:01,672 INFO L225 Difference]: With dead ends: 448 [2021-02-19 17:11:01,672 INFO L226 Difference]: Without dead ends: 343 [2021-02-19 17:11:01,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-02-19 17:11:01,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-02-19 17:11:01,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 282. [2021-02-19 17:11:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-02-19 17:11:01,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions. [2021-02-19 17:11:01,763 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 65 [2021-02-19 17:11:01,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:11:01,764 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions. [2021-02-19 17:11:01,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:11:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2021-02-19 17:11:01,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-02-19 17:11:01,767 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:11:01,768 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:11:01,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:11:01,768 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:11:01,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:11:01,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1949680911, now seen corresponding path program 1 times [2021-02-19 17:11:01,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:11:01,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437863531] [2021-02-19 17:11:01,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:11:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:01,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:01,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:01,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:01,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:01,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:01,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:01,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:01,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:01,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:01,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:01,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:01,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:01,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:01,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:01,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:01,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:01,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:01,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:02,188 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:11:02,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:02,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:11:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:02,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:11:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:02,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:11:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:02,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:11:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:02,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:11:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:02,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:11:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:02,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 17:11:02,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:02,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:11:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:02,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 17:11:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:11:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-02-19 17:11:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:11:02,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:11:02,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:11:02,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-19 17:11:02,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437863531] [2021-02-19 17:11:02,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:11:02,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:11:02,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021925493] [2021-02-19 17:11:02,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:11:02,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:11:02,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:11:02,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:11:02,351 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand 9 states. [2021-02-19 17:11:02,897 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:11:03,810 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:11:04,588 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:11:04,964 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:11:05,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:11:05,084 INFO L93 Difference]: Finished difference Result 501 states and 655 transitions. [2021-02-19 17:11:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 17:11:05,085 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2021-02-19 17:11:05,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:11:05,087 INFO L225 Difference]: With dead ends: 501 [2021-02-19 17:11:05,087 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:11:05,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-02-19 17:11:05,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:11:05,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:11:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:11:05,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:11:05,093 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2021-02-19 17:11:05,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:11:05,093 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:11:05,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:11:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:11:05,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:11:05,094 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:11:05,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:11:07,645 WARN L202 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2021-02-19 17:11:07,903 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:08,158 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:08,440 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 17:11:09,003 WARN L202 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2021-02-19 17:11:09,315 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:11:09,828 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2021-02-19 17:11:10,124 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2021-02-19 17:11:10,465 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:11:11,020 WARN L202 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 14 [2021-02-19 17:11:11,305 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:11:11,593 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:11:12,123 WARN L202 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:11:12,425 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:11:12,715 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:11:13,255 WARN L202 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:11:13,785 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:11:14,141 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:14,413 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:11:14,937 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 9 [2021-02-19 17:11:15,192 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:11:15,498 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:15,767 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:11:16,052 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:16,350 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:11:16,889 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2021-02-19 17:11:16,894 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:11:16,895 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:11:16,895 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:11:16,895 INFO L189 CegarLoopUtils]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-02-19 17:11:16,895 INFO L189 CegarLoopUtils]: For program point L640-1(lines 640 644) no Hoare annotation was computed. [2021-02-19 17:11:16,895 INFO L189 CegarLoopUtils]: For program point L635(line 635) no Hoare annotation was computed. [2021-02-19 17:11:16,895 INFO L189 CegarLoopUtils]: For program point L634-2(lines 634 655) no Hoare annotation was computed. [2021-02-19 17:11:16,895 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 609 664) no Hoare annotation was computed. [2021-02-19 17:11:16,895 INFO L189 CegarLoopUtils]: For program point L656(lines 633 657) no Hoare annotation was computed. [2021-02-19 17:11:16,896 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 609 664) no Hoare annotation was computed. [2021-02-19 17:11:16,896 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 609 664) no Hoare annotation was computed. [2021-02-19 17:11:16,896 INFO L189 CegarLoopUtils]: For program point L697(lines 697 701) no Hoare annotation was computed. [2021-02-19 17:11:16,896 INFO L189 CegarLoopUtils]: For program point L697-1(lines 697 701) no Hoare annotation was computed. [2021-02-19 17:11:16,897 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 665 724) no Hoare annotation was computed. [2021-02-19 17:11:16,897 INFO L189 CegarLoopUtils]: For program point L692(line 692) no Hoare annotation was computed. [2021-02-19 17:11:16,897 INFO L189 CegarLoopUtils]: For program point L691-2(lines 691 716) no Hoare annotation was computed. [2021-02-19 17:11:16,897 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 665 724) no Hoare annotation was computed. [2021-02-19 17:11:16,897 INFO L189 CegarLoopUtils]: For program point L717(lines 690 718) no Hoare annotation was computed. [2021-02-19 17:11:16,898 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 665 724) no Hoare annotation was computed. [2021-02-19 17:11:16,898 INFO L189 CegarLoopUtils]: For program point L710(line 710) no Hoare annotation was computed. [2021-02-19 17:11:16,898 INFO L189 CegarLoopUtils]: For program point L710-1(line 710) no Hoare annotation was computed. [2021-02-19 17:11:16,898 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 260 266) the Hoare annotation is: true [2021-02-19 17:11:16,898 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 260 266) no Hoare annotation was computed. [2021-02-19 17:11:16,898 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 267 275) no Hoare annotation was computed. [2021-02-19 17:11:16,898 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 267 275) the Hoare annotation is: true [2021-02-19 17:11:16,898 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 267 275) no Hoare annotation was computed. [2021-02-19 17:11:16,899 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 925 932) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-19 17:11:16,899 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 925 932) no Hoare annotation was computed. [2021-02-19 17:11:16,899 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 925 932) no Hoare annotation was computed. [2021-02-19 17:11:16,899 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 933 942) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2021-02-19 17:11:16,899 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 933 942) no Hoare annotation was computed. [2021-02-19 17:11:16,899 INFO L189 CegarLoopUtils]: For program point L938(line 938) no Hoare annotation was computed. [2021-02-19 17:11:16,899 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 933 942) no Hoare annotation was computed. [2021-02-19 17:11:16,900 INFO L185 CegarLoopUtils]: At program point L958(line 958) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 17:11:16,900 INFO L189 CegarLoopUtils]: For program point L956(lines 956 962) no Hoare annotation was computed. [2021-02-19 17:11:16,900 INFO L189 CegarLoopUtils]: For program point L955(lines 955 965) no Hoare annotation was computed. [2021-02-19 17:11:16,900 INFO L192 CegarLoopUtils]: At program point L953(line 953) the Hoare annotation is: true [2021-02-19 17:11:16,900 INFO L189 CegarLoopUtils]: For program point L953-1(line 953) no Hoare annotation was computed. [2021-02-19 17:11:16,900 INFO L189 CegarLoopUtils]: For program point L951(lines 951 968) no Hoare annotation was computed. [2021-02-19 17:11:16,900 INFO L189 CegarLoopUtils]: For program point L951-1(lines 943 971) no Hoare annotation was computed. [2021-02-19 17:11:16,900 INFO L192 CegarLoopUtils]: At program point L949(line 949) the Hoare annotation is: true [2021-02-19 17:11:16,900 INFO L189 CegarLoopUtils]: For program point L949-1(line 949) no Hoare annotation was computed. [2021-02-19 17:11:16,901 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 943 971) the Hoare annotation is: true [2021-02-19 17:11:16,901 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 943 971) no Hoare annotation was computed. [2021-02-19 17:11:16,901 INFO L185 CegarLoopUtils]: At program point L130-1(line 130) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,901 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 124 146) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,901 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 124 146) no Hoare annotation was computed. [2021-02-19 17:11:16,901 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 124 146) no Hoare annotation was computed. [2021-02-19 17:11:16,901 INFO L185 CegarLoopUtils]: At program point L136(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-19 17:11:16,902 INFO L185 CegarLoopUtils]: At program point L136-1(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2021-02-19 17:11:16,902 INFO L189 CegarLoopUtils]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-02-19 17:11:16,902 INFO L189 CegarLoopUtils]: For program point L134-1(lines 134 141) no Hoare annotation was computed. [2021-02-19 17:11:16,902 INFO L189 CegarLoopUtils]: For program point L132(line 132) no Hoare annotation was computed. [2021-02-19 17:11:16,902 INFO L185 CegarLoopUtils]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,903 INFO L185 CegarLoopUtils]: At program point L130(line 130) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,903 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:11:16,903 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-02-19 17:11:16,903 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2021-02-19 17:11:16,903 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-02-19 17:11:16,907 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:11:16,907 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L90(line 90) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L87(line 87) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-19 17:11:16,908 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 464 478) no Hoare annotation was computed. [2021-02-19 17:11:16,909 INFO L185 CegarLoopUtils]: At program point L470(line 470) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 17:11:16,909 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 464 478) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 17:11:16,909 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 464 478) no Hoare annotation was computed. [2021-02-19 17:11:16,909 INFO L189 CegarLoopUtils]: For program point L468(lines 468 474) no Hoare annotation was computed. [2021-02-19 17:11:16,909 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 400 408) no Hoare annotation was computed. [2021-02-19 17:11:16,909 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 400 408) the Hoare annotation is: true [2021-02-19 17:11:16,909 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 400 408) no Hoare annotation was computed. [2021-02-19 17:11:16,909 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 445 463) the Hoare annotation is: true [2021-02-19 17:11:16,909 INFO L189 CegarLoopUtils]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-02-19 17:11:16,909 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 445 463) no Hoare annotation was computed. [2021-02-19 17:11:16,909 INFO L192 CegarLoopUtils]: At program point L452(line 452) the Hoare annotation is: true [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point L454-2(lines 454 458) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point L452-1(line 452) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 445 463) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point L416(lines 416 424) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point L416-2(lines 416 424) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point L439(line 439) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point L439-1(line 439) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 409 444) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point L428(lines 428 436) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point L428-2(lines 428 436) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 409 444) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 409 444) no Hoare annotation was computed. [2021-02-19 17:11:16,910 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 253 259) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 253 259) the Hoare annotation is: true [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 563 608) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 563 608) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 563 608) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point L896(lines 896 903) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point L890(lines 890 910) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 876 921) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point L890-1(lines 890 910) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 876 921) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 876 921) no Hoare annotation was computed. [2021-02-19 17:11:16,911 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 110 120) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,911 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 110 120) no Hoare annotation was computed. [2021-02-19 17:11:16,912 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 110 120) no Hoare annotation was computed. [2021-02-19 17:11:16,912 INFO L185 CegarLoopUtils]: At program point L115(line 115) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,912 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 389 399) the Hoare annotation is: true [2021-02-19 17:11:16,912 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 389 399) no Hoare annotation was computed. [2021-02-19 17:11:16,912 INFO L192 CegarLoopUtils]: At program point L394(line 394) the Hoare annotation is: true [2021-02-19 17:11:16,912 INFO L189 CegarLoopUtils]: For program point L394-1(line 394) no Hoare annotation was computed. [2021-02-19 17:11:16,912 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 389 399) no Hoare annotation was computed. [2021-02-19 17:11:16,912 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 381 388) the Hoare annotation is: true [2021-02-19 17:11:16,913 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 381 388) no Hoare annotation was computed. [2021-02-19 17:11:16,913 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 381 388) no Hoare annotation was computed. [2021-02-19 17:11:16,913 INFO L189 CegarLoopUtils]: For program point L354-1(line 354) no Hoare annotation was computed. [2021-02-19 17:11:16,913 INFO L189 CegarLoopUtils]: For program point L352(lines 352 369) no Hoare annotation was computed. [2021-02-19 17:11:16,913 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 348 372) no Hoare annotation was computed. [2021-02-19 17:11:16,913 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 348 372) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,913 INFO L185 CegarLoopUtils]: At program point L367(line 367) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,913 INFO L189 CegarLoopUtils]: For program point L367-1(lines 348 372) no Hoare annotation was computed. [2021-02-19 17:11:16,914 INFO L185 CegarLoopUtils]: At program point L362(line 362) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,914 INFO L185 CegarLoopUtils]: At program point L358(line 358) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,914 INFO L189 CegarLoopUtils]: For program point L356(lines 356 364) no Hoare annotation was computed. [2021-02-19 17:11:16,914 INFO L185 CegarLoopUtils]: At program point L354(line 354) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,914 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 314 320) no Hoare annotation was computed. [2021-02-19 17:11:16,914 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 314 320) the Hoare annotation is: true [2021-02-19 17:11:16,914 INFO L185 CegarLoopUtils]: At program point L545(lines 498 547) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:11:16,914 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 488 555) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,915 INFO L185 CegarLoopUtils]: At program point L510(line 510) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:11:16,915 INFO L189 CegarLoopUtils]: For program point L508(lines 508 514) no Hoare annotation was computed. [2021-02-19 17:11:16,915 INFO L189 CegarLoopUtils]: For program point L508-1(lines 508 514) no Hoare annotation was computed. [2021-02-19 17:11:16,915 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 488 555) no Hoare annotation was computed. [2021-02-19 17:11:16,915 INFO L189 CegarLoopUtils]: For program point L500(lines 500 504) no Hoare annotation was computed. [2021-02-19 17:11:16,915 INFO L185 CegarLoopUtils]: At program point L548(lines 497 549) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,915 INFO L185 CegarLoopUtils]: At program point L538(line 538) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:11:16,915 INFO L189 CegarLoopUtils]: For program point L536(lines 536 542) no Hoare annotation was computed. [2021-02-19 17:11:16,915 INFO L185 CegarLoopUtils]: At program point L536-1(lines 528 543) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:11:16,916 INFO L189 CegarLoopUtils]: For program point L499(lines 498 547) no Hoare annotation was computed. [2021-02-19 17:11:16,916 INFO L185 CegarLoopUtils]: At program point L530(line 530) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:11:16,916 INFO L189 CegarLoopUtils]: For program point L528(lines 528 543) no Hoare annotation was computed. [2021-02-19 17:11:16,916 INFO L185 CegarLoopUtils]: At program point L520(line 520) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:11:16,916 INFO L189 CegarLoopUtils]: For program point L518(lines 518 524) no Hoare annotation was computed. [2021-02-19 17:11:16,916 INFO L189 CegarLoopUtils]: For program point L518-1(lines 518 524) no Hoare annotation was computed. [2021-02-19 17:11:16,916 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 488 555) no Hoare annotation was computed. [2021-02-19 17:11:16,916 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 830 875) no Hoare annotation was computed. [2021-02-19 17:11:16,917 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 830 875) no Hoare annotation was computed. [2021-02-19 17:11:16,917 INFO L189 CegarLoopUtils]: For program point L850(lines 850 857) no Hoare annotation was computed. [2021-02-19 17:11:16,917 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 830 875) no Hoare annotation was computed. [2021-02-19 17:11:16,917 INFO L189 CegarLoopUtils]: For program point L844(lines 844 864) no Hoare annotation was computed. [2021-02-19 17:11:16,917 INFO L189 CegarLoopUtils]: For program point L844-1(lines 844 864) no Hoare annotation was computed. [2021-02-19 17:11:16,917 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 232 240) no Hoare annotation was computed. [2021-02-19 17:11:16,917 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 232 240) the Hoare annotation is: true [2021-02-19 17:11:16,917 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 232 240) no Hoare annotation was computed. [2021-02-19 17:11:16,917 INFO L189 CegarLoopUtils]: For program point L208(lines 208 216) no Hoare annotation was computed. [2021-02-19 17:11:16,917 INFO L189 CegarLoopUtils]: For program point L208-2(lines 208 216) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 200 222) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 200 222) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 200 222) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 243 252) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 243 252) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 243 252) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 727 829) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point L797(lines 775 798) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point L756(lines 756 772) no Hoare annotation was computed. [2021-02-19 17:11:16,918 INFO L189 CegarLoopUtils]: For program point L816(lines 816 823) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point L777(lines 776 796) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point L808(line 808) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point L808-1(line 808) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 727 829) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point L773(lines 773 814) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point L792(line 792) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point L792-1(line 792) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 727 829) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point L751(lines 751 755) no Hoare annotation was computed. [2021-02-19 17:11:16,919 INFO L189 CegarLoopUtils]: For program point L815(lines 815 826) no Hoare annotation was computed. [2021-02-19 17:11:16,920 INFO L189 CegarLoopUtils]: For program point L778(lines 778 782) no Hoare annotation was computed. [2021-02-19 17:11:16,920 INFO L189 CegarLoopUtils]: For program point L776-2(lines 776 796) no Hoare annotation was computed. [2021-02-19 17:11:16,920 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:11:16,920 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 17:11:16,920 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:11:16,920 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2021-02-19 17:11:16,921 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2021-02-19 17:11:16,921 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 373 380) no Hoare annotation was computed. [2021-02-19 17:11:16,921 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 223 231) the Hoare annotation is: true [2021-02-19 17:11:16,921 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 223 231) no Hoare annotation was computed. [2021-02-19 17:11:16,921 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 223 231) no Hoare annotation was computed. [2021-02-19 17:11:16,921 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 179 190) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:11:16,921 INFO L189 CegarLoopUtils]: For program point L183-1(lines 179 190) no Hoare annotation was computed. [2021-02-19 17:11:16,921 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 179 190) no Hoare annotation was computed. [2021-02-19 17:11:16,922 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:11:16,922 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:11:16,922 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:11:16,922 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 287 313) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,922 INFO L185 CegarLoopUtils]: At program point L303(line 303) the Hoare annotation is: (or (and (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,922 INFO L185 CegarLoopUtils]: At program point L301(lines 301 307) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2021-02-19 17:11:16,922 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 287 313) no Hoare annotation was computed. [2021-02-19 17:11:16,922 INFO L185 CegarLoopUtils]: At program point L296(line 296) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 17:11:16,923 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 287 313) no Hoare annotation was computed. [2021-02-19 17:11:16,923 INFO L189 CegarLoopUtils]: For program point L294(lines 290 312) no Hoare annotation was computed. [2021-02-19 17:11:16,923 INFO L189 CegarLoopUtils]: For program point L292(lines 290 312) no Hoare annotation was computed. [2021-02-19 17:11:16,923 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-02-19 17:11:16,923 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2021-02-19 17:11:16,923 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2021-02-19 17:11:16,923 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-02-19 17:11:16,923 INFO L192 CegarLoopUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2021-02-19 17:11:16,923 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-02-19 17:11:16,923 INFO L192 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2021-02-19 17:11:16,923 INFO L192 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: true [2021-02-19 17:11:16,924 INFO L189 CegarLoopUtils]: For program point L50-1(line 50) no Hoare annotation was computed. [2021-02-19 17:11:16,924 INFO L192 CegarLoopUtils]: At program point L69(lines 44 73) the Hoare annotation is: true [2021-02-19 17:11:16,924 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 191 199) the Hoare annotation is: true [2021-02-19 17:11:16,924 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 191 199) no Hoare annotation was computed. [2021-02-19 17:11:16,924 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 191 199) no Hoare annotation was computed. [2021-02-19 17:11:16,924 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 155 166) the Hoare annotation is: true [2021-02-19 17:11:16,924 INFO L189 CegarLoopUtils]: For program point L159-1(lines 155 166) no Hoare annotation was computed. [2021-02-19 17:11:16,924 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 155 166) no Hoare annotation was computed. [2021-02-19 17:11:16,925 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2021-02-19 17:11:16,925 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2021-02-19 17:11:16,925 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:11:16,925 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-19 17:11:16,925 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:11:16,925 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:11:16,925 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 479 486) no Hoare annotation was computed. [2021-02-19 17:11:16,925 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 479 486) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2021-02-19 17:11:16,926 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 479 486) no Hoare annotation was computed. [2021-02-19 17:11:16,926 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 167 178) no Hoare annotation was computed. [2021-02-19 17:11:16,926 INFO L189 CegarLoopUtils]: For program point L171-1(lines 167 178) no Hoare annotation was computed. [2021-02-19 17:11:16,926 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 167 178) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 17:11:16,926 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 973 980) no Hoare annotation was computed. [2021-02-19 17:11:16,926 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2021-02-19 17:11:16,926 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 973 980) the Hoare annotation is: true [2021-02-19 17:11:16,926 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 973 980) no Hoare annotation was computed. [2021-02-19 17:11:16,927 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 322 346) no Hoare annotation was computed. [2021-02-19 17:11:16,927 INFO L185 CegarLoopUtils]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 322 346) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,927 INFO L185 CegarLoopUtils]: At program point L341(line 341) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,927 INFO L189 CegarLoopUtils]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2021-02-19 17:11:16,927 INFO L185 CegarLoopUtils]: At program point L336(line 336) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,927 INFO L185 CegarLoopUtils]: At program point L332(line 332) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,927 INFO L189 CegarLoopUtils]: For program point L330(lines 330 338) no Hoare annotation was computed. [2021-02-19 17:11:16,927 INFO L185 CegarLoopUtils]: At program point L328(line 328) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:11:16,927 INFO L189 CegarLoopUtils]: For program point L328-1(line 328) no Hoare annotation was computed. [2021-02-19 17:11:16,928 INFO L189 CegarLoopUtils]: For program point L326(lines 326 343) no Hoare annotation was computed. [2021-02-19 17:11:16,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:11:16 BoogieIcfgContainer [2021-02-19 17:11:16,945 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:11:16,947 INFO L168 Benchmark]: Toolchain (without parser) took 28412.15 ms. Allocated memory was 151.0 MB in the beginning and 358.6 MB in the end (delta: 207.6 MB). Free memory was 105.0 MB in the beginning and 326.8 MB in the end (delta: -221.7 MB). Peak memory consumption was 196.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:16,948 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 122.9 MB in the beginning and 122.8 MB in the end (delta: 97.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:11:16,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.08 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 126.1 MB in the end (delta: -22.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:16,949 INFO L168 Benchmark]: Boogie Preprocessor took 129.11 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 122.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:16,950 INFO L168 Benchmark]: RCFGBuilder took 1547.21 ms. Allocated memory is still 151.0 MB. Free memory was 122.0 MB in the beginning and 89.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 53.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:16,950 INFO L168 Benchmark]: TraceAbstraction took 26024.15 ms. Allocated memory was 151.0 MB in the beginning and 358.6 MB in the end (delta: 207.6 MB). Free memory was 89.2 MB in the beginning and 326.8 MB in the end (delta: -237.6 MB). Peak memory consumption was 179.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:11:16,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 122.9 MB in the beginning and 122.8 MB in the end (delta: 97.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 687.08 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 126.1 MB in the end (delta: -22.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 129.11 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 122.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1547.21 ms. Allocated memory is still 151.0 MB. Free memory was 122.0 MB in the beginning and 89.7 MB in the end (delta: 32.3 MB). Peak memory consumption was 53.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26024.15 ms. Allocated memory was 151.0 MB in the beginning and 358.6 MB in the end (delta: 207.6 MB). Free memory was 89.2 MB in the beginning and 326.8 MB in the end (delta: -237.6 MB). Peak memory consumption was 179.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 977]: 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: 497]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 498]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 247 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 492 SDtfs, 844 SDslu, 413 SDs, 0 SdLazy, 1740 SolverSat, 617 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=3, 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, 4 MinimizatonAttempts, 126 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 386 PreInvPairs, 439 NumberOfFragments, 760 HoareAnnotationTreeSize, 386 FomulaSimplifications, 27270 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 65 FomulaSimplificationsInter, 11716 FormulaSimplificationTreeSizeReductionInter, 9.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 78874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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...