/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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:09:44,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:09:44,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:09:44,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:09:44,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:09:44,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:09:44,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:09:44,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:09:44,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:09:44,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:09:44,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:09:44,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:09:44,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:09:44,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:09:44,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:09:44,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:09:44,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:09:44,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:09:44,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:09:44,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:09:44,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:09:44,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:09:44,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:09:44,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:09:44,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:09:44,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:09:44,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:09:44,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:09:44,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:09:44,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:09:44,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:09:44,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:09:44,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:09:44,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:09:44,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:09:44,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:09:44,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:09:44,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:09:44,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:09:44,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:09:44,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:09:44,324 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 17:09:44,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:09:44,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:09:44,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:09:44,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:09:44,384 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:09:44,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:09:44,385 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:09:44,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:09:44,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:09:44,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:09:44,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:09:44,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:09:44,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:09:44,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:09:44,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:09:44,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:09:44,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:09:44,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:09:44,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:09:44,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:09:44,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:09:44,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:09:44,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:09:44,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:09:44,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:09:44,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:09:44,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:09:44,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:09:44,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:09:44,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:09:44,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:09:44,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:09:44,855 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:09:44,855 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:09:44,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2021-02-19 17:09:44,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c02a9fed/7d9e0c988894433290157800d2b111b8/FLAG892e970ea [2021-02-19 17:09:45,667 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:09:45,668 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product04.cil.c [2021-02-19 17:09:45,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c02a9fed/7d9e0c988894433290157800d2b111b8/FLAG892e970ea [2021-02-19 17:09:45,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c02a9fed/7d9e0c988894433290157800d2b111b8 [2021-02-19 17:09:45,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:09:45,900 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:09:45,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:09:45,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:09:45,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:09:45,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:09:45" (1/1) ... [2021-02-19 17:09:45,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c2ab3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:45, skipping insertion in model container [2021-02-19 17:09:45,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:09:45" (1/1) ... [2021-02-19 17:09:45,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:09:46,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:09:46,400 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_product04.cil.c[16667,16680] [2021-02-19 17:09:46,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:09:46,419 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:09:46,504 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_product04.cil.c[16667,16680] [2021-02-19 17:09:46,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:09:46,558 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:09:46,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46 WrapperNode [2021-02-19 17:09:46,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:09:46,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:09:46,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:09:46,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:09:46,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46" (1/1) ... [2021-02-19 17:09:46,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46" (1/1) ... [2021-02-19 17:09:46,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46" (1/1) ... [2021-02-19 17:09:46,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46" (1/1) ... [2021-02-19 17:09:46,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46" (1/1) ... [2021-02-19 17:09:46,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46" (1/1) ... [2021-02-19 17:09:46,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46" (1/1) ... [2021-02-19 17:09:46,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:09:46,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:09:46,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:09:46,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:09:46,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46" (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 17:09:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:09:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:09:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:09:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:09:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:09:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:09:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:09:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:09:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:09:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:09:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:09:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:09:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:09:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:09:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:09:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 17:09:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 17:09:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:09:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:09:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:09:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:09:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:09:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:09:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:09:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:09:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:09:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:09:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:09:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:09:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:09:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:09:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:09:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:09:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:09:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:09:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:09:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:09:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:09:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:09:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:09:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:09:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:09:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:09:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:09:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:09:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:09:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:09:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:09:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-19 17:09:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-19 17:09:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-19 17:09:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:09:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:09:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 17:09:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 17:09:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:09:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:09:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:09:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:09:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:09:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:09:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:09:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:09:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:09:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:09:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:09:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:09:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:09:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:09:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:09:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:09:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:09:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:09:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:09:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:09:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:09:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:09:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:09:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:09:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:09:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:09:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:09:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:09:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:09:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:09:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:09:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:09:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:09:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:09:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:09:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:09:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:09:48,029 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:09:48,029 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:09:48,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:09:48 BoogieIcfgContainer [2021-02-19 17:09:48,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:09:48,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:09:48,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:09:48,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:09:48,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:09:45" (1/3) ... [2021-02-19 17:09:48,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7519beab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:09:48, skipping insertion in model container [2021-02-19 17:09:48,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:09:46" (2/3) ... [2021-02-19 17:09:48,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7519beab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:09:48, skipping insertion in model container [2021-02-19 17:09:48,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:09:48" (3/3) ... [2021-02-19 17:09:48,045 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product04.cil.c [2021-02-19 17:09:48,056 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:09:48,062 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:09:48,084 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:09:48,127 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:09:48,128 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:09:48,128 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:09:48,129 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:09:48,129 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:09:48,129 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:09:48,130 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:09:48,131 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:09:48,156 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2021-02-19 17:09:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 17:09:48,171 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:48,172 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 17:09:48,173 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:48,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:48,182 INFO L82 PathProgramCache]: Analyzing trace with hash 903222501, now seen corresponding path program 1 times [2021-02-19 17:09:48,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:48,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040472073] [2021-02-19 17:09:48,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:48,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:48,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:48,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:48,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,065 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:49,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,142 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 17:09:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:09:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:09:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:49,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:49,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:49,312 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 17:09:49,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040472073] [2021-02-19 17:09:49,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:49,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:09:49,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543624424] [2021-02-19 17:09:49,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:09:49,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:49,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:09:49,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:09:49,336 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 4 states. [2021-02-19 17:09:50,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:09:50,407 INFO L93 Difference]: Finished difference Result 236 states and 309 transitions. [2021-02-19 17:09:50,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:09:50,409 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2021-02-19 17:09:50,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:09:50,423 INFO L225 Difference]: With dead ends: 236 [2021-02-19 17:09:50,423 INFO L226 Difference]: Without dead ends: 133 [2021-02-19 17:09:50,428 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 17:09:50,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-02-19 17:09:50,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 104. [2021-02-19 17:09:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-02-19 17:09:50,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2021-02-19 17:09:50,513 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 59 [2021-02-19 17:09:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:09:50,514 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2021-02-19 17:09:50,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:09:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2021-02-19 17:09:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-19 17:09:50,518 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:50,518 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 17:09:50,518 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:09:50,518 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:50,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:50,519 INFO L82 PathProgramCache]: Analyzing trace with hash -261239299, now seen corresponding path program 1 times [2021-02-19 17:09:50,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:50,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356732905] [2021-02-19 17:09:50,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:50,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:50,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:50,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:50,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:50,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:50,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,018 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:51,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 17:09:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 17:09:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 17:09:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:51,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:51,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:51,104 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 17:09:51,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356732905] [2021-02-19 17:09:51,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:51,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:09:51,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503332404] [2021-02-19 17:09:51,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:09:51,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:51,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:09:51,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:09:51,108 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 5 states. [2021-02-19 17:09:51,750 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:09:52,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:09:52,515 INFO L93 Difference]: Finished difference Result 168 states and 207 transitions. [2021-02-19 17:09:52,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:09:52,519 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-02-19 17:09:52,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:09:52,521 INFO L225 Difference]: With dead ends: 168 [2021-02-19 17:09:52,522 INFO L226 Difference]: Without dead ends: 123 [2021-02-19 17:09:52,523 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 17:09:52,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-02-19 17:09:52,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 95. [2021-02-19 17:09:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2021-02-19 17:09:52,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2021-02-19 17:09:52,563 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 60 [2021-02-19 17:09:52,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:09:52,563 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2021-02-19 17:09:52,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:09:52,564 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-02-19 17:09:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-02-19 17:09:52,566 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:52,566 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 17:09:52,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:09:52,567 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:52,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:52,567 INFO L82 PathProgramCache]: Analyzing trace with hash 658589323, now seen corresponding path program 1 times [2021-02-19 17:09:52,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:52,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018485597] [2021-02-19 17:09:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:52,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:52,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:52,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:52,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:52,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:52,679 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:52,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:52,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:52,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:52,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:09:52,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:52,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:09:52,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:52,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:09:52,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:52,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,087 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:53,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:09:53,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:53,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:09:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 17:09:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-02-19 17:09:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:53,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:53,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:53,253 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 17:09:53,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018485597] [2021-02-19 17:09:53,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:53,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:09:53,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064023558] [2021-02-19 17:09:53,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:09:53,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:53,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:09:53,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:09:53,256 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 9 states. [2021-02-19 17:09:53,773 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:09:54,216 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:54,608 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:54,987 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:09:56,137 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:09:57,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:09:57,386 INFO L93 Difference]: Finished difference Result 326 states and 405 transitions. [2021-02-19 17:09:57,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:09:57,387 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2021-02-19 17:09:57,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:09:57,393 INFO L225 Difference]: With dead ends: 326 [2021-02-19 17:09:57,393 INFO L226 Difference]: Without dead ends: 259 [2021-02-19 17:09:57,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2021-02-19 17:09:57,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-02-19 17:09:57,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 194. [2021-02-19 17:09:57,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2021-02-19 17:09:57,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 232 transitions. [2021-02-19 17:09:57,464 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 232 transitions. Word has length 65 [2021-02-19 17:09:57,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:09:57,465 INFO L480 AbstractCegarLoop]: Abstraction has 194 states and 232 transitions. [2021-02-19 17:09:57,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:09:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 232 transitions. [2021-02-19 17:09:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-02-19 17:09:57,468 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:09:57,469 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] [2021-02-19 17:09:57,469 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:09:57,469 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:09:57,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:09:57,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1847044135, now seen corresponding path program 1 times [2021-02-19 17:09:57,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:09:57,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138886279] [2021-02-19 17:09:57,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:09:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:57,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:57,941 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:09:57,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:57,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:57,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:09:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:57,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:57,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:09:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:57,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:57,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:09:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:57,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:57,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:09:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:57,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:57,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:09:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:57,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:57,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:57,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:09:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:09:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-19 17:09:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-19 17:09:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:09:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-19 17:09:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:09:58,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:09:58,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:09:58,050 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 17:09:58,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138886279] [2021-02-19 17:09:58,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:09:58,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 17:09:58,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795631775] [2021-02-19 17:09:58,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 17:09:58,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:09:58,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 17:09:58,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 17:09:58,052 INFO L87 Difference]: Start difference. First operand 194 states and 232 transitions. Second operand 8 states. [2021-02-19 17:09:58,530 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:09:59,400 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:00,111 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:00,516 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:10:00,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:10:00,730 INFO L93 Difference]: Finished difference Result 374 states and 478 transitions. [2021-02-19 17:10:00,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 17:10:00,731 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2021-02-19 17:10:00,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:10:00,732 INFO L225 Difference]: With dead ends: 374 [2021-02-19 17:10:00,733 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:10:00,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 17:10:00,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:10:00,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:10:00,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:10:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:10:00,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2021-02-19 17:10:00,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:10:00,739 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:10:00,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 17:10:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:10:00,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:10:00,740 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:10:00,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:10:02,704 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:03,001 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:03,322 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:03,603 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:03,915 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:04,201 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:04,482 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2021-02-19 17:10:04,854 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:10:05,174 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:05,731 WARN L202 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2021-02-19 17:10:06,015 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2021-02-19 17:10:06,568 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:10:06,846 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 17:10:07,407 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:10:07,943 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 8 [2021-02-19 17:10:08,285 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:10:08,565 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 25 [2021-02-19 17:10:08,849 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:09,131 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 12 [2021-02-19 17:10:09,422 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:09,723 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 23 [2021-02-19 17:10:09,992 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2021-02-19 17:10:09,997 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:10:09,997 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:10:09,997 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:10:09,997 INFO L189 CegarLoopUtils]: For program point L385-2(lines 385 406) no Hoare annotation was computed. [2021-02-19 17:10:09,997 INFO L189 CegarLoopUtils]: For program point L407(lines 384 408) no Hoare annotation was computed. [2021-02-19 17:10:09,997 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 360 415) no Hoare annotation was computed. [2021-02-19 17:10:09,998 INFO L189 CegarLoopUtils]: For program point L391(lines 391 395) no Hoare annotation was computed. [2021-02-19 17:10:09,998 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 360 415) no Hoare annotation was computed. [2021-02-19 17:10:09,998 INFO L189 CegarLoopUtils]: For program point L391-1(lines 391 395) no Hoare annotation was computed. [2021-02-19 17:10:09,998 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 360 415) no Hoare annotation was computed. [2021-02-19 17:10:09,998 INFO L189 CegarLoopUtils]: For program point L386(line 386) no Hoare annotation was computed. [2021-02-19 17:10:09,998 INFO L189 CegarLoopUtils]: For program point L448(lines 448 452) no Hoare annotation was computed. [2021-02-19 17:10:09,999 INFO L189 CegarLoopUtils]: For program point L448-1(lines 448 452) no Hoare annotation was computed. [2021-02-19 17:10:09,999 INFO L189 CegarLoopUtils]: For program point L443(line 443) no Hoare annotation was computed. [2021-02-19 17:10:09,999 INFO L189 CegarLoopUtils]: For program point L442-2(lines 442 467) no Hoare annotation was computed. [2021-02-19 17:10:09,999 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 416 475) no Hoare annotation was computed. [2021-02-19 17:10:09,999 INFO L189 CegarLoopUtils]: For program point L468(lines 441 469) no Hoare annotation was computed. [2021-02-19 17:10:10,000 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 416 475) no Hoare annotation was computed. [2021-02-19 17:10:10,000 INFO L189 CegarLoopUtils]: For program point L461(line 461) no Hoare annotation was computed. [2021-02-19 17:10:10,000 INFO L189 CegarLoopUtils]: For program point L461-1(line 461) no Hoare annotation was computed. [2021-02-19 17:10:10,000 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 416 475) no Hoare annotation was computed. [2021-02-19 17:10:10,000 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 881 887) the Hoare annotation is: true [2021-02-19 17:10:10,000 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 881 887) no Hoare annotation was computed. [2021-02-19 17:10:10,000 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 888 896) no Hoare annotation was computed. [2021-02-19 17:10:10,001 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 888 896) the Hoare annotation is: true [2021-02-19 17:10:10,001 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 888 896) no Hoare annotation was computed. [2021-02-19 17:10:10,001 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 46 53) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2021-02-19 17:10:10,001 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1EXIT(lines 46 53) no Hoare annotation was computed. [2021-02-19 17:10:10,001 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__1FINAL(lines 46 53) no Hoare annotation was computed. [2021-02-19 17:10:10,001 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 54 63) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) [2021-02-19 17:10:10,002 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-02-19 17:10:10,002 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2EXIT(lines 54 63) no Hoare annotation was computed. [2021-02-19 17:10:10,002 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__2FINAL(lines 54 63) no Hoare annotation was computed. [2021-02-19 17:10:10,002 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 64 92) the Hoare annotation is: true [2021-02-19 17:10:10,002 INFO L185 CegarLoopUtils]: At program point L79(line 79) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 17:10:10,002 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-02-19 17:10:10,002 INFO L189 CegarLoopUtils]: For program point L76(lines 76 86) no Hoare annotation was computed. [2021-02-19 17:10:10,002 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification5_spec__3EXIT(lines 64 92) no Hoare annotation was computed. [2021-02-19 17:10:10,003 INFO L192 CegarLoopUtils]: At program point L74(line 74) the Hoare annotation is: true [2021-02-19 17:10:10,003 INFO L189 CegarLoopUtils]: For program point L74-1(line 74) no Hoare annotation was computed. [2021-02-19 17:10:10,003 INFO L189 CegarLoopUtils]: For program point L72(lines 72 89) no Hoare annotation was computed. [2021-02-19 17:10:10,003 INFO L189 CegarLoopUtils]: For program point L72-1(lines 64 92) no Hoare annotation was computed. [2021-02-19 17:10:10,003 INFO L192 CegarLoopUtils]: At program point L70(line 70) the Hoare annotation is: true [2021-02-19 17:10:10,003 INFO L189 CegarLoopUtils]: For program point L70-1(line 70) no Hoare annotation was computed. [2021-02-19 17:10:10,003 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 830 852) 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 17:10:10,003 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 830 852) no Hoare annotation was computed. [2021-02-19 17:10:10,003 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 830 852) no Hoare annotation was computed. [2021-02-19 17:10:10,004 INFO L185 CegarLoopUtils]: At program point L842(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~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 17:10:10,004 INFO L185 CegarLoopUtils]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~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 17:10:10,004 INFO L189 CegarLoopUtils]: For program point L840(lines 840 847) no Hoare annotation was computed. [2021-02-19 17:10:10,004 INFO L189 CegarLoopUtils]: For program point L840-1(lines 840 847) no Hoare annotation was computed. [2021-02-19 17:10:10,004 INFO L189 CegarLoopUtils]: For program point L838(line 838) no Hoare annotation was computed. [2021-02-19 17:10:10,004 INFO L185 CegarLoopUtils]: At program point L837(line 837) 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 17:10:10,005 INFO L185 CegarLoopUtils]: At program point L836(line 836) 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 17:10:10,005 INFO L185 CegarLoopUtils]: At program point L836-1(line 836) 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 17:10:10,005 INFO L189 CegarLoopUtils]: For program point L801(line 801) no Hoare annotation was computed. [2021-02-19 17:10:10,005 INFO L189 CegarLoopUtils]: For program point L800(line 800) no Hoare annotation was computed. [2021-02-19 17:10:10,005 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 785 808) no Hoare annotation was computed. [2021-02-19 17:10:10,005 INFO L189 CegarLoopUtils]: For program point L799(line 799) no Hoare annotation was computed. [2021-02-19 17:10:10,005 INFO L189 CegarLoopUtils]: For program point L798(line 798) no Hoare annotation was computed. [2021-02-19 17:10:10,005 INFO L189 CegarLoopUtils]: For program point L797(line 797) no Hoare annotation was computed. [2021-02-19 17:10:10,006 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 785 808) no Hoare annotation was computed. [2021-02-19 17:10:10,006 INFO L189 CegarLoopUtils]: For program point L796(line 796) no Hoare annotation was computed. [2021-02-19 17:10:10,006 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 785 808) no Hoare annotation was computed. [2021-02-19 17:10:10,006 INFO L189 CegarLoopUtils]: For program point L795(line 795) no Hoare annotation was computed. [2021-02-19 17:10:10,006 INFO L189 CegarLoopUtils]: For program point L794(line 794) no Hoare annotation was computed. [2021-02-19 17:10:10,006 INFO L189 CegarLoopUtils]: For program point L793(line 793) no Hoare annotation was computed. [2021-02-19 17:10:10,006 INFO L189 CegarLoopUtils]: For program point L792(line 792) no Hoare annotation was computed. [2021-02-19 17:10:10,006 INFO L189 CegarLoopUtils]: For program point L791(line 791) no Hoare annotation was computed. [2021-02-19 17:10:10,006 INFO L189 CegarLoopUtils]: For program point L790(line 790) no Hoare annotation was computed. [2021-02-19 17:10:10,007 INFO L189 CegarLoopUtils]: For program point L803(line 803) no Hoare annotation was computed. [2021-02-19 17:10:10,007 INFO L189 CegarLoopUtils]: For program point L802(line 802) no Hoare annotation was computed. [2021-02-19 17:10:10,007 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 284 298) no Hoare annotation was computed. [2021-02-19 17:10:10,007 INFO L189 CegarLoopUtils]: For program point L288(lines 288 294) no Hoare annotation was computed. [2021-02-19 17:10:10,007 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 284 298) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 17:10:10,007 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 284 298) no Hoare annotation was computed. [2021-02-19 17:10:10,007 INFO L185 CegarLoopUtils]: At program point L290(line 290) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 17:10:10,008 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 239 247) no Hoare annotation was computed. [2021-02-19 17:10:10,008 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 239 247) the Hoare annotation is: true [2021-02-19 17:10:10,008 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 239 247) no Hoare annotation was computed. [2021-02-19 17:10:10,008 INFO L189 CegarLoopUtils]: For program point L255(lines 255 263) no Hoare annotation was computed. [2021-02-19 17:10:10,008 INFO L189 CegarLoopUtils]: For program point L255-2(lines 255 263) no Hoare annotation was computed. [2021-02-19 17:10:10,008 INFO L189 CegarLoopUtils]: For program point L278(line 278) no Hoare annotation was computed. [2021-02-19 17:10:10,008 INFO L189 CegarLoopUtils]: For program point L278-1(line 278) no Hoare annotation was computed. [2021-02-19 17:10:10,008 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 248 283) no Hoare annotation was computed. [2021-02-19 17:10:10,008 INFO L189 CegarLoopUtils]: For program point L267(lines 267 275) no Hoare annotation was computed. [2021-02-19 17:10:10,008 INFO L189 CegarLoopUtils]: For program point L267-2(lines 267 275) no Hoare annotation was computed. [2021-02-19 17:10:10,009 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 248 283) no Hoare annotation was computed. [2021-02-19 17:10:10,009 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 248 283) no Hoare annotation was computed. [2021-02-19 17:10:10,009 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 874 880) no Hoare annotation was computed. [2021-02-19 17:10:10,009 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 874 880) the Hoare annotation is: true [2021-02-19 17:10:10,009 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 314 359) no Hoare annotation was computed. [2021-02-19 17:10:10,009 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 314 359) no Hoare annotation was computed. [2021-02-19 17:10:10,009 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 314 359) no Hoare annotation was computed. [2021-02-19 17:10:10,009 INFO L189 CegarLoopUtils]: For program point L641(lines 641 661) no Hoare annotation was computed. [2021-02-19 17:10:10,009 INFO L189 CegarLoopUtils]: For program point L641-1(lines 641 661) no Hoare annotation was computed. [2021-02-19 17:10:10,010 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 627 672) no Hoare annotation was computed. [2021-02-19 17:10:10,010 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 627 672) no Hoare annotation was computed. [2021-02-19 17:10:10,010 INFO L189 CegarLoopUtils]: For program point L647(lines 647 654) no Hoare annotation was computed. [2021-02-19 17:10:10,010 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 627 672) no Hoare annotation was computed. [2021-02-19 17:10:10,010 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 816 826) 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 17:10:10,010 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 816 826) no Hoare annotation was computed. [2021-02-19 17:10:10,010 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 816 826) no Hoare annotation was computed. [2021-02-19 17:10:10,010 INFO L185 CegarLoopUtils]: At program point L821(line 821) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0))) [2021-02-19 17:10:10,010 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 228 238) no Hoare annotation was computed. [2021-02-19 17:10:10,011 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 228 238) no Hoare annotation was computed. [2021-02-19 17:10:10,011 INFO L189 CegarLoopUtils]: For program point L233(line 233) no Hoare annotation was computed. [2021-02-19 17:10:10,011 INFO L189 CegarLoopUtils]: For program point L233-1(line 233) no Hoare annotation was computed. [2021-02-19 17:10:10,011 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 228 238) no Hoare annotation was computed. [2021-02-19 17:10:10,011 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 220 227) the Hoare annotation is: true [2021-02-19 17:10:10,011 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 220 227) no Hoare annotation was computed. [2021-02-19 17:10:10,011 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 220 227) no Hoare annotation was computed. [2021-02-19 17:10:10,011 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 205 211) no Hoare annotation was computed. [2021-02-19 17:10:10,011 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 205 211) the Hoare annotation is: true [2021-02-19 17:10:10,012 INFO L189 CegarLoopUtils]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2021-02-19 17:10:10,012 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 100 167) 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 17:10:10,012 INFO L185 CegarLoopUtils]: At program point L157(lines 110 159) 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 17:10:10,012 INFO L185 CegarLoopUtils]: At program point L122(line 122) 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 17:10:10,012 INFO L189 CegarLoopUtils]: For program point L120(lines 120 126) no Hoare annotation was computed. [2021-02-19 17:10:10,012 INFO L189 CegarLoopUtils]: For program point L120-1(lines 120 126) no Hoare annotation was computed. [2021-02-19 17:10:10,012 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 100 167) no Hoare annotation was computed. [2021-02-19 17:10:10,013 INFO L189 CegarLoopUtils]: For program point L112(lines 112 116) no Hoare annotation was computed. [2021-02-19 17:10:10,013 INFO L185 CegarLoopUtils]: At program point L160(lines 109 161) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:10:10,013 INFO L185 CegarLoopUtils]: At program point L150(line 150) 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 17:10:10,013 INFO L189 CegarLoopUtils]: For program point L148(lines 148 154) no Hoare annotation was computed. [2021-02-19 17:10:10,013 INFO L185 CegarLoopUtils]: At program point L148-1(lines 140 155) 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 17:10:10,013 INFO L189 CegarLoopUtils]: For program point L111(lines 110 159) no Hoare annotation was computed. [2021-02-19 17:10:10,013 INFO L185 CegarLoopUtils]: At program point L142(line 142) 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 17:10:10,014 INFO L189 CegarLoopUtils]: For program point L140(lines 140 155) no Hoare annotation was computed. [2021-02-19 17:10:10,014 INFO L185 CegarLoopUtils]: At program point L132(line 132) 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 17:10:10,014 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 100 167) no Hoare annotation was computed. [2021-02-19 17:10:10,014 INFO L189 CegarLoopUtils]: For program point L130(lines 130 136) no Hoare annotation was computed. [2021-02-19 17:10:10,014 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 581 626) no Hoare annotation was computed. [2021-02-19 17:10:10,014 INFO L189 CegarLoopUtils]: For program point L601(lines 601 608) no Hoare annotation was computed. [2021-02-19 17:10:10,014 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 581 626) no Hoare annotation was computed. [2021-02-19 17:10:10,014 INFO L189 CegarLoopUtils]: For program point L595(lines 595 615) no Hoare annotation was computed. [2021-02-19 17:10:10,014 INFO L189 CegarLoopUtils]: For program point L595-1(lines 595 615) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 581 626) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point L729(lines 729 737) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 721 743) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point L729-2(lines 729 737) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 721 743) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 721 743) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point L543(line 543) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 478 580) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point L543-1(line 543) no Hoare annotation was computed. [2021-02-19 17:10:10,015 INFO L189 CegarLoopUtils]: For program point L502(lines 502 506) no Hoare annotation was computed. [2021-02-19 17:10:10,016 INFO L189 CegarLoopUtils]: For program point L566(lines 566 577) no Hoare annotation was computed. [2021-02-19 17:10:10,016 INFO L189 CegarLoopUtils]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-02-19 17:10:10,016 INFO L189 CegarLoopUtils]: For program point L527-2(lines 527 547) no Hoare annotation was computed. [2021-02-19 17:10:10,016 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 478 580) no Hoare annotation was computed. [2021-02-19 17:10:10,016 INFO L189 CegarLoopUtils]: For program point L548(lines 526 549) no Hoare annotation was computed. [2021-02-19 17:10:10,016 INFO L189 CegarLoopUtils]: For program point L507(lines 507 523) no Hoare annotation was computed. [2021-02-19 17:10:10,016 INFO L189 CegarLoopUtils]: For program point L567(lines 567 574) no Hoare annotation was computed. [2021-02-19 17:10:10,016 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 478 580) no Hoare annotation was computed. [2021-02-19 17:10:10,016 INFO L189 CegarLoopUtils]: For program point L528(lines 527 547) no Hoare annotation was computed. [2021-02-19 17:10:10,017 INFO L189 CegarLoopUtils]: For program point L559(line 559) no Hoare annotation was computed. [2021-02-19 17:10:10,017 INFO L189 CegarLoopUtils]: For program point L559-1(line 559) no Hoare annotation was computed. [2021-02-19 17:10:10,017 INFO L189 CegarLoopUtils]: For program point L524(lines 524 565) no Hoare annotation was computed. [2021-02-19 17:10:10,017 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 864 873) no Hoare annotation was computed. [2021-02-19 17:10:10,017 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 864 873) no Hoare annotation was computed. [2021-02-19 17:10:10,017 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 864 873) no Hoare annotation was computed. [2021-02-19 17:10:10,017 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:10,018 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 17:10:10,018 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:10,018 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 212 219) no Hoare annotation was computed. [2021-02-19 17:10:10,018 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 212 219) no Hoare annotation was computed. [2021-02-19 17:10:10,018 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 212 219) no Hoare annotation was computed. [2021-02-19 17:10:10,018 INFO L192 CegarLoopUtils]: At program point getWaterLevelENTRY(lines 744 752) the Hoare annotation is: true [2021-02-19 17:10:10,018 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 744 752) no Hoare annotation was computed. [2021-02-19 17:10:10,019 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 744 752) no Hoare annotation was computed. [2021-02-19 17:10:10,019 INFO L189 CegarLoopUtils]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2021-02-19 17:10:10,019 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 700 711) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:10:10,019 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 700 711) no Hoare annotation was computed. [2021-02-19 17:10:10,019 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:10,019 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:10:10,019 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:10,019 INFO L192 CegarLoopUtils]: At program point L192(lines 192 198) the Hoare annotation is: true [2021-02-19 17:10:10,020 INFO L185 CegarLoopUtils]: At program point L187(line 187) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 17:10:10,020 INFO L189 CegarLoopUtils]: For program point L185(lines 181 203) no Hoare annotation was computed. [2021-02-19 17:10:10,020 INFO L189 CegarLoopUtils]: For program point L183(lines 181 203) no Hoare annotation was computed. [2021-02-19 17:10:10,020 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~pumpRunning~0 0))) [2021-02-19 17:10:10,020 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2021-02-19 17:10:10,020 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2021-02-19 17:10:10,020 INFO L185 CegarLoopUtils]: At program point L194(line 194) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2021-02-19 17:10:10,020 INFO L189 CegarLoopUtils]: For program point L769(lines 769 773) no Hoare annotation was computed. [2021-02-19 17:10:10,020 INFO L192 CegarLoopUtils]: At program point L769-1(lines 769 773) the Hoare annotation is: true [2021-02-19 17:10:10,021 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 755 784) no Hoare annotation was computed. [2021-02-19 17:10:10,021 INFO L189 CegarLoopUtils]: For program point L766(line 766) no Hoare annotation was computed. [2021-02-19 17:10:10,021 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 755 784) the Hoare annotation is: true [2021-02-19 17:10:10,021 INFO L192 CegarLoopUtils]: At program point L765-2(lines 765 779) the Hoare annotation is: true [2021-02-19 17:10:10,021 INFO L192 CegarLoopUtils]: At program point L761(line 761) the Hoare annotation is: true [2021-02-19 17:10:10,021 INFO L189 CegarLoopUtils]: For program point L761-1(line 761) no Hoare annotation was computed. [2021-02-19 17:10:10,021 INFO L192 CegarLoopUtils]: At program point L780(lines 755 784) the Hoare annotation is: true [2021-02-19 17:10:10,021 INFO L189 CegarLoopUtils]: For program point L776(line 776) no Hoare annotation was computed. [2021-02-19 17:10:10,021 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalENTRY(lines 712 720) no Hoare annotation was computed. [2021-02-19 17:10:10,022 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 712 720) no Hoare annotation was computed. [2021-02-19 17:10:10,022 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 712 720) no Hoare annotation was computed. [2021-02-19 17:10:10,022 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 676 687) the Hoare annotation is: true [2021-02-19 17:10:10,022 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 676 687) no Hoare annotation was computed. [2021-02-19 17:10:10,022 INFO L189 CegarLoopUtils]: For program point L680-1(lines 676 687) no Hoare annotation was computed. [2021-02-19 17:10:10,022 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 809 815) no Hoare annotation was computed. [2021-02-19 17:10:10,022 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 809 815) the Hoare annotation is: true [2021-02-19 17:10:10,022 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:10:10,022 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-02-19 17:10:10,023 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:10:10,023 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:10:10,023 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 299 306) no Hoare annotation was computed. [2021-02-19 17:10:10,023 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 299 306) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2021-02-19 17:10:10,023 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 299 306) no Hoare annotation was computed. [2021-02-19 17:10:10,023 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 688 699) no Hoare annotation was computed. [2021-02-19 17:10:10,023 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 688 699) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 17:10:10,023 INFO L189 CegarLoopUtils]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2021-02-19 17:10:10,023 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2021-02-19 17:10:10,024 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2021-02-19 17:10:10,024 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2021-02-19 17:10:10,024 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2021-02-19 17:10:10,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:10:10 BoogieIcfgContainer [2021-02-19 17:10:10,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:10:10,041 INFO L168 Benchmark]: Toolchain (without parser) took 24154.19 ms. Allocated memory was 162.5 MB in the beginning and 407.9 MB in the end (delta: 245.4 MB). Free memory was 136.0 MB in the beginning and 250.6 MB in the end (delta: -114.6 MB). Peak memory consumption was 240.8 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:10,042 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 125.8 MB. Free memory is still 80.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:10:10,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.24 ms. Allocated memory is still 162.5 MB. Free memory was 134.8 MB in the beginning and 114.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:10,043 INFO L168 Benchmark]: Boogie Preprocessor took 170.31 ms. Allocated memory is still 162.5 MB. Free memory was 114.8 MB in the beginning and 110.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:10,044 INFO L168 Benchmark]: RCFGBuilder took 1301.42 ms. Allocated memory is still 162.5 MB. Free memory was 110.9 MB in the beginning and 68.3 MB in the end (delta: 42.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:10,045 INFO L168 Benchmark]: TraceAbstraction took 22004.68 ms. Allocated memory was 162.5 MB in the beginning and 407.9 MB in the end (delta: 245.4 MB). Free memory was 68.3 MB in the beginning and 250.6 MB in the end (delta: -182.3 MB). Peak memory consumption was 172.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:10:10,048 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 125.8 MB. Free memory is still 80.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 654.24 ms. Allocated memory is still 162.5 MB. Free memory was 134.8 MB in the beginning and 114.8 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 170.31 ms. Allocated memory is still 162.5 MB. Free memory was 114.8 MB in the beginning and 110.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1301.42 ms. Allocated memory is still 162.5 MB. Free memory was 110.9 MB in the beginning and 68.3 MB in the end (delta: 42.5 MB). Peak memory consumption was 47.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22004.68 ms. Allocated memory was 162.5 MB in the beginning and 407.9 MB in the end (delta: 245.4 MB). Free memory was 68.3 MB in the beginning and 250.6 MB in the end (delta: -182.3 MB). Peak memory consumption was 172.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: !(\old(systemActive) == 1) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 387 SDtfs, 486 SDslu, 399 SDs, 0 SdLazy, 1348 SolverSat, 321 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 223 PreInvPairs, 263 NumberOfFragments, 648 HoareAnnotationTreeSize, 223 FomulaSimplifications, 23188 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 49 FomulaSimplificationsInter, 9448 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 77206 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...