/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 17:00:33,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:00:33,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:00:33,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:00:33,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:00:33,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:00:33,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:00:33,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:00:33,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:00:33,794 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:00:33,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:00:33,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:00:33,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:00:33,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:00:33,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:00:33,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:00:33,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:00:33,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:00:33,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:00:33,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:00:33,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:00:33,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:00:33,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:00:33,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:00:33,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 17:00:33,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 17:00:33,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 17:00:33,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 17:00:33,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 17:00:33,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 17:00:33,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:00:33,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:00:33,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:00:33,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:00:33,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:00:33,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:00:33,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:00:33,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:00:33,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:00:33,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:00:33,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:00:33,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 17:00:33,906 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:00:33,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:00:33,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:00:33,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:00:33,908 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:00:33,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:00:33,909 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:00:33,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:00:33,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:00:33,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:00:33,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:00:33,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:00:33,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:00:33,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:00:33,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:00:33,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:00:33,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:00:33,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:00:33,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:00:33,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:00:33,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:00:33,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:00:33,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:00:33,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:00:33,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:00:33,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:00:33,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:00:33,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:00:33,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:00:34,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:00:34,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:00:34,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:00:34,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:00:34,325 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:00:34,326 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2021-02-19 17:00:34,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9fad70ba/89405d54ca81471188a608a6ea706d78/FLAG8f88e0c4b [2021-02-19 17:00:35,086 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:00:35,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2021-02-19 17:00:35,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9fad70ba/89405d54ca81471188a608a6ea706d78/FLAG8f88e0c4b [2021-02-19 17:00:35,301 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9fad70ba/89405d54ca81471188a608a6ea706d78 [2021-02-19 17:00:35,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:00:35,320 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:00:35,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:00:35,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:00:35,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:00:35,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:00:35" (1/1) ... [2021-02-19 17:00:35,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397fc408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35, skipping insertion in model container [2021-02-19 17:00:35,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:00:35" (1/1) ... [2021-02-19 17:00:35,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:00:35,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:00:35,692 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c[7481,7494] [2021-02-19 17:00:35,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:00:35,765 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:00:35,811 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c[7481,7494] [2021-02-19 17:00:35,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:00:35,891 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:00:35,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35 WrapperNode [2021-02-19 17:00:35,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:00:35,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:00:35,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:00:35,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:00:35,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35" (1/1) ... [2021-02-19 17:00:35,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35" (1/1) ... [2021-02-19 17:00:35,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35" (1/1) ... [2021-02-19 17:00:35,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35" (1/1) ... [2021-02-19 17:00:36,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35" (1/1) ... [2021-02-19 17:00:36,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35" (1/1) ... [2021-02-19 17:00:36,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35" (1/1) ... [2021-02-19 17:00:36,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:00:36,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:00:36,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:00:36,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:00:36,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:00:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:00:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:00:36,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 17:00:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:00:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 17:00:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 17:00:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 17:00:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 17:00:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:00:36,152 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 17:00:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 17:00:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 17:00:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 17:00:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 17:00:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 17:00:36,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 17:00:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 17:00:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:00:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 17:00:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 17:00:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 17:00:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 17:00:36,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 17:00:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 17:00:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 17:00:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 17:00:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 17:00:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 17:00:36,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 17:00:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 17:00:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 17:00:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 17:00:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2021-02-19 17:00:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2021-02-19 17:00:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 17:00:36,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 17:00:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 17:00:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 17:00:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 17:00:36,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 17:00:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:00:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:00:36,157 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:00:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:00:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:00:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 17:00:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 17:00:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 17:00:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 17:00:36,158 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 17:00:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 17:00:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 17:00:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 17:00:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2021-02-19 17:00:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 17:00:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 17:00:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 17:00:36,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 17:00:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 17:00:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:00:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 17:00:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 17:00:36,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 17:00:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 17:00:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 17:00:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 17:00:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 17:00:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 17:00:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2021-02-19 17:00:36,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 17:00:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 17:00:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 17:00:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 17:00:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 17:00:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 17:00:36,162 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 17:00:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 17:00:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 17:00:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 17:00:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:00:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:00:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:00:36,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:00:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 17:00:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:00:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 17:00:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 17:00:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:00:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 17:00:36,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 17:00:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 17:00:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:00:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:00:36,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:00:37,199 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:00:37,199 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 17:00:37,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:00:37 BoogieIcfgContainer [2021-02-19 17:00:37,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:00:37,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:00:37,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:00:37,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:00:37,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:00:35" (1/3) ... [2021-02-19 17:00:37,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323eaa9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:00:37, skipping insertion in model container [2021-02-19 17:00:37,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:00:35" (2/3) ... [2021-02-19 17:00:37,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323eaa9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:00:37, skipping insertion in model container [2021-02-19 17:00:37,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:00:37" (3/3) ... [2021-02-19 17:00:37,210 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2021-02-19 17:00:37,217 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:00:37,223 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:00:37,242 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:00:37,270 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:00:37,270 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:00:37,270 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:00:37,270 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:00:37,271 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:00:37,271 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:00:37,271 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:00:37,271 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:00:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2021-02-19 17:00:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 17:00:37,301 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:37,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:00:37,302 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:37,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:37,309 INFO L82 PathProgramCache]: Analyzing trace with hash 697932109, now seen corresponding path program 1 times [2021-02-19 17:00:37,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:37,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456491034] [2021-02-19 17:00:37,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:37,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:37,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:37,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:37,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:38,075 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:38,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:38,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:38,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:38,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:38,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:38,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:38,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:38,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:38,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:38,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:38,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:38,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:38,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:38,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:38,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:38,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:38,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:38,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:38,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 17:00:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:38,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:38,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:38,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-02-19 17:00:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:38,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:38,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:38,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456491034] [2021-02-19 17:00:38,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:38,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 17:00:38,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780854633] [2021-02-19 17:00:38,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 17:00:38,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:38,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 17:00:38,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:00:38,191 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 4 states. [2021-02-19 17:00:39,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:39,228 INFO L93 Difference]: Finished difference Result 246 states and 324 transitions. [2021-02-19 17:00:39,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-19 17:00:39,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2021-02-19 17:00:39,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:39,243 INFO L225 Difference]: With dead ends: 246 [2021-02-19 17:00:39,244 INFO L226 Difference]: Without dead ends: 138 [2021-02-19 17:00:39,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-19 17:00:39,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-02-19 17:00:39,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 109. [2021-02-19 17:00:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-02-19 17:00:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2021-02-19 17:00:39,338 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2021-02-19 17:00:39,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:39,339 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2021-02-19 17:00:39,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 17:00:39,339 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2021-02-19 17:00:39,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 17:00:39,343 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:39,343 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:00:39,343 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:00:39,344 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:39,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:39,344 INFO L82 PathProgramCache]: Analyzing trace with hash 401306416, now seen corresponding path program 1 times [2021-02-19 17:00:39,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:39,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027991182] [2021-02-19 17:00:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:39,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:39,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,763 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:39,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:39,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:39,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:39,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:39,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:39,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:39,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 17:00:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:39,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 17:00:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:39,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:39,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:39,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:39,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027991182] [2021-02-19 17:00:39,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:39,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-19 17:00:39,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635267372] [2021-02-19 17:00:39,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-19 17:00:39,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:39,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-19 17:00:39,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-19 17:00:39,851 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 5 states. [2021-02-19 17:00:40,505 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-19 17:00:41,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:41,251 INFO L93 Difference]: Finished difference Result 191 states and 235 transitions. [2021-02-19 17:00:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-19 17:00:41,251 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-02-19 17:00:41,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:41,254 INFO L225 Difference]: With dead ends: 191 [2021-02-19 17:00:41,254 INFO L226 Difference]: Without dead ends: 128 [2021-02-19 17:00:41,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:00:41,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-19 17:00:41,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2021-02-19 17:00:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-19 17:00:41,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2021-02-19 17:00:41,300 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2021-02-19 17:00:41,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:41,300 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2021-02-19 17:00:41,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-19 17:00:41,300 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2021-02-19 17:00:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-02-19 17:00:41,303 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:41,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:00:41,303 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:00:41,303 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:41,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:41,304 INFO L82 PathProgramCache]: Analyzing trace with hash 46073481, now seen corresponding path program 1 times [2021-02-19 17:00:41,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:41,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116002362] [2021-02-19 17:00:41,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:41,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:41,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:41,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:41,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:00:41,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:41,773 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:41,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:41,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:00:41,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:41,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:41,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:41,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:41,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:41,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:41,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:41,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:41,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:41,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-19 17:00:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:41,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:41,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 17:00:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:41,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:41,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:41,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116002362] [2021-02-19 17:00:41,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:41,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:00:41,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684687853] [2021-02-19 17:00:41,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:00:41,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:41,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:00:41,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:00:41,890 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 9 states. [2021-02-19 17:00:42,479 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:00:42,875 WARN L202 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:43,306 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:43,670 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:44,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:44,786 INFO L93 Difference]: Finished difference Result 200 states and 250 transitions. [2021-02-19 17:00:44,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 17:00:44,787 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2021-02-19 17:00:44,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:44,790 INFO L225 Difference]: With dead ends: 200 [2021-02-19 17:00:44,790 INFO L226 Difference]: Without dead ends: 128 [2021-02-19 17:00:44,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2021-02-19 17:00:44,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-02-19 17:00:44,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2021-02-19 17:00:44,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-02-19 17:00:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2021-02-19 17:00:44,829 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2021-02-19 17:00:44,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:44,829 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2021-02-19 17:00:44,830 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:00:44,830 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2021-02-19 17:00:44,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-02-19 17:00:44,831 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:44,831 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:00:44,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:00:44,832 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:44,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:44,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1223793626, now seen corresponding path program 1 times [2021-02-19 17:00:44,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:44,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139898761] [2021-02-19 17:00:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:44,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:44,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:44,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:44,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:44,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:44,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:44,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:44,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:44,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:44,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:44,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:44,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:44,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:44,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:45,287 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:45,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:45,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:45,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:45,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:45,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:45,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:45,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 17:00:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:00:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:45,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 17:00:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:45,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 17:00:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:45,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:45,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:45,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:45,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139898761] [2021-02-19 17:00:45,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:45,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 17:00:45,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559369900] [2021-02-19 17:00:45,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 17:00:45,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:45,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 17:00:45,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 17:00:45,404 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 9 states. [2021-02-19 17:00:45,974 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:00:47,289 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:47,781 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:48,180 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:48,563 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:00:49,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:49,669 INFO L93 Difference]: Finished difference Result 307 states and 408 transitions. [2021-02-19 17:00:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-19 17:00:49,670 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2021-02-19 17:00:49,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:49,674 INFO L225 Difference]: With dead ends: 307 [2021-02-19 17:00:49,674 INFO L226 Difference]: Without dead ends: 235 [2021-02-19 17:00:49,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2021-02-19 17:00:49,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-02-19 17:00:49,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 162. [2021-02-19 17:00:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-02-19 17:00:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2021-02-19 17:00:49,735 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 64 [2021-02-19 17:00:49,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:49,735 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2021-02-19 17:00:49,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 17:00:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2021-02-19 17:00:49,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-02-19 17:00:49,738 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:00:49,738 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 17:00:49,738 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:00:49,738 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:00:49,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:00:49,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1505203966, now seen corresponding path program 1 times [2021-02-19 17:00:49,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:00:49,739 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473856684] [2021-02-19 17:00:49,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:00:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:49,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:49,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:49,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:49,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:49,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:49,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:49,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:49,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:49,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:49,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,140 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:50,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:00:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 17:00:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 17:00:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:00:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 17:00:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-19 17:00:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-02-19 17:00:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 17:00:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:50,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 17:00:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-19 17:00:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:00:50,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-19 17:00:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:00:50,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:00:50,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:00:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:00:50,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473856684] [2021-02-19 17:00:50,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:00:50,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-19 17:00:50,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38624908] [2021-02-19 17:00:50,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 17:00:50,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:00:50,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 17:00:50,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:00:50,281 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 10 states. [2021-02-19 17:00:51,030 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-19 17:00:52,109 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:52,544 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:52,995 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-19 17:00:53,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:00:53,274 INFO L93 Difference]: Finished difference Result 289 states and 366 transitions. [2021-02-19 17:00:53,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-19 17:00:53,275 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2021-02-19 17:00:53,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:00:53,275 INFO L225 Difference]: With dead ends: 289 [2021-02-19 17:00:53,275 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:00:53,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2021-02-19 17:00:53,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:00:53,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:00:53,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:00:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:00:53,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2021-02-19 17:00:53,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:00:53,280 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:00:53,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-19 17:00:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:00:53,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:00:53,280 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 17:00:53,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:00:53,738 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 212 [2021-02-19 17:00:54,279 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-02-19 17:00:54,855 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 222 [2021-02-19 17:00:55,255 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 215 [2021-02-19 17:00:56,204 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-19 17:00:56,433 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:00:56,699 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:00:57,223 WARN L202 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2021-02-19 17:00:57,494 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-19 17:00:58,061 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-19 17:00:58,434 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 17:00:58,885 WARN L202 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-19 17:00:59,430 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 12 [2021-02-19 17:00:59,737 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2021-02-19 17:01:00,040 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2021-02-19 17:01:00,377 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 17 [2021-02-19 17:01:00,917 WARN L202 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 17:01:01,208 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2021-02-19 17:01:01,806 WARN L202 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 17:01:02,107 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:02,456 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2021-02-19 17:01:02,799 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:03,097 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:03,387 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 1 [2021-02-19 17:01:03,660 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2021-02-19 17:01:04,241 WARN L202 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2021-02-19 17:01:04,819 WARN L202 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2021-02-19 17:01:04,830 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:01:04,830 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:01:04,830 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:01:04,830 INFO L189 CegarLoopUtils]: For program point L641-2(lines 641 662) no Hoare annotation was computed. [2021-02-19 17:01:04,830 INFO L189 CegarLoopUtils]: For program point L663(lines 640 664) no Hoare annotation was computed. [2021-02-19 17:01:04,830 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 616 671) no Hoare annotation was computed. [2021-02-19 17:01:04,830 INFO L189 CegarLoopUtils]: For program point L647(lines 647 651) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 616 671) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point L647-1(lines 647 651) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 616 671) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point L642(line 642) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point L704(lines 704 708) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point L704-1(lines 704 708) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point L699(line 699) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point L698-2(lines 698 723) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 672 731) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point L724(lines 697 725) no Hoare annotation was computed. [2021-02-19 17:01:04,831 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 672 731) no Hoare annotation was computed. [2021-02-19 17:01:04,832 INFO L189 CegarLoopUtils]: For program point L717(line 717) no Hoare annotation was computed. [2021-02-19 17:01:04,832 INFO L189 CegarLoopUtils]: For program point L717-1(line 717) no Hoare annotation was computed. [2021-02-19 17:01:04,832 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 672 731) no Hoare annotation was computed. [2021-02-19 17:01:04,832 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 166 172) the Hoare annotation is: true [2021-02-19 17:01:04,832 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 166 172) no Hoare annotation was computed. [2021-02-19 17:01:04,832 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 173 181) no Hoare annotation was computed. [2021-02-19 17:01:04,833 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 173 181) the Hoare annotation is: true [2021-02-19 17:01:04,833 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 173 181) no Hoare annotation was computed. [2021-02-19 17:01:04,833 INFO L185 CegarLoopUtils]: At program point L130-1(line 130) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,833 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 124 146) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,833 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 124 146) no Hoare annotation was computed. [2021-02-19 17:01:04,834 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 124 146) no Hoare annotation was computed. [2021-02-19 17:01:04,834 INFO L185 CegarLoopUtils]: At program point L136(line 136) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,834 INFO L185 CegarLoopUtils]: At program point L136-1(line 136) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,834 INFO L189 CegarLoopUtils]: For program point L134(lines 134 141) no Hoare annotation was computed. [2021-02-19 17:01:04,834 INFO L189 CegarLoopUtils]: For program point L134-1(lines 134 141) no Hoare annotation was computed. [2021-02-19 17:01:04,834 INFO L189 CegarLoopUtils]: For program point L132(line 132) no Hoare annotation was computed. [2021-02-19 17:01:04,835 INFO L185 CegarLoopUtils]: At program point L131(line 131) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,835 INFO L185 CegarLoopUtils]: At program point L130(line 130) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,835 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:01:04,835 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-02-19 17:01:04,835 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2021-02-19 17:01:04,835 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-02-19 17:01:04,835 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:01:04,835 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point L90(line 90) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point L87(line 87) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-02-19 17:01:04,836 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-19 17:01:04,837 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-19 17:01:04,837 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 361 369) no Hoare annotation was computed. [2021-02-19 17:01:04,837 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 361 369) the Hoare annotation is: true [2021-02-19 17:01:04,837 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 361 369) no Hoare annotation was computed. [2021-02-19 17:01:04,837 INFO L189 CegarLoopUtils]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-02-19 17:01:04,837 INFO L192 CegarLoopUtils]: At program point L413(line 413) the Hoare annotation is: true [2021-02-19 17:01:04,837 INFO L189 CegarLoopUtils]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2021-02-19 17:01:04,837 INFO L189 CegarLoopUtils]: For program point L413-1(line 413) no Hoare annotation was computed. [2021-02-19 17:01:04,837 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 406 424) the Hoare annotation is: true [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 406 424) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 406 424) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point L377(lines 377 385) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point L400(line 400) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point L400-1(line 400) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 370 405) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 370 405) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point L389(lines 389 397) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 370 405) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 159 165) no Hoare annotation was computed. [2021-02-19 17:01:04,838 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 159 165) the Hoare annotation is: true [2021-02-19 17:01:04,839 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 570 615) no Hoare annotation was computed. [2021-02-19 17:01:04,839 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 570 615) no Hoare annotation was computed. [2021-02-19 17:01:04,839 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 570 615) no Hoare annotation was computed. [2021-02-19 17:01:04,839 INFO L189 CegarLoopUtils]: For program point L897(lines 897 917) no Hoare annotation was computed. [2021-02-19 17:01:04,839 INFO L189 CegarLoopUtils]: For program point L897-1(lines 897 917) no Hoare annotation was computed. [2021-02-19 17:01:04,839 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 883 928) no Hoare annotation was computed. [2021-02-19 17:01:04,839 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 883 928) no Hoare annotation was computed. [2021-02-19 17:01:04,839 INFO L189 CegarLoopUtils]: For program point L903(lines 903 910) no Hoare annotation was computed. [2021-02-19 17:01:04,839 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 883 928) no Hoare annotation was computed. [2021-02-19 17:01:04,840 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 110 120) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,840 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 110 120) no Hoare annotation was computed. [2021-02-19 17:01:04,840 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 110 120) no Hoare annotation was computed. [2021-02-19 17:01:04,840 INFO L185 CegarLoopUtils]: At program point L115(line 115) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,840 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 350 360) no Hoare annotation was computed. [2021-02-19 17:01:04,840 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2021-02-19 17:01:04,840 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 350 360) no Hoare annotation was computed. [2021-02-19 17:01:04,840 INFO L189 CegarLoopUtils]: For program point L355(line 355) no Hoare annotation was computed. [2021-02-19 17:01:04,840 INFO L189 CegarLoopUtils]: For program point L355-1(line 355) no Hoare annotation was computed. [2021-02-19 17:01:04,840 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 342 349) the Hoare annotation is: true [2021-02-19 17:01:04,840 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2021-02-19 17:01:04,841 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 342 349) no Hoare annotation was computed. [2021-02-19 17:01:04,841 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 291 315) no Hoare annotation was computed. [2021-02-19 17:01:04,841 INFO L185 CegarLoopUtils]: At program point L310(line 310) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:04,841 INFO L189 CegarLoopUtils]: For program point L310-1(lines 291 315) no Hoare annotation was computed. [2021-02-19 17:01:04,841 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 291 315) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:04,841 INFO L185 CegarLoopUtils]: At program point L305(line 305) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:04,841 INFO L185 CegarLoopUtils]: At program point L301(line 301) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:04,841 INFO L189 CegarLoopUtils]: For program point L299(lines 299 307) no Hoare annotation was computed. [2021-02-19 17:01:04,842 INFO L185 CegarLoopUtils]: At program point L297(line 297) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:04,842 INFO L189 CegarLoopUtils]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-02-19 17:01:04,842 INFO L189 CegarLoopUtils]: For program point L295(lines 295 312) no Hoare annotation was computed. [2021-02-19 17:01:04,842 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 283 289) no Hoare annotation was computed. [2021-02-19 17:01:04,842 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 283 289) the Hoare annotation is: true [2021-02-19 17:01:04,842 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 183 246) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,842 INFO L189 CegarLoopUtils]: For program point L223(lines 223 234) no Hoare annotation was computed. [2021-02-19 17:01:04,842 INFO L185 CegarLoopUtils]: At program point L215(line 215) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:01:04,842 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 183 246) no Hoare annotation was computed. [2021-02-19 17:01:04,843 INFO L189 CegarLoopUtils]: For program point L213(lines 213 219) no Hoare annotation was computed. [2021-02-19 17:01:04,843 INFO L189 CegarLoopUtils]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2021-02-19 17:01:04,843 INFO L185 CegarLoopUtils]: At program point L205(line 205) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:01:04,843 INFO L185 CegarLoopUtils]: At program point L236(lines 193 238) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:01:04,843 INFO L189 CegarLoopUtils]: For program point L203(lines 203 209) no Hoare annotation was computed. [2021-02-19 17:01:04,843 INFO L189 CegarLoopUtils]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2021-02-19 17:01:04,843 INFO L189 CegarLoopUtils]: For program point L195(lines 195 199) no Hoare annotation was computed. [2021-02-19 17:01:04,843 INFO L185 CegarLoopUtils]: At program point L239(lines 192 240) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 17:01:04,843 INFO L189 CegarLoopUtils]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-02-19 17:01:04,844 INFO L185 CegarLoopUtils]: At program point L229-2(lines 223 234) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 17:01:04,844 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 183 246) no Hoare annotation was computed. [2021-02-19 17:01:04,844 INFO L189 CegarLoopUtils]: For program point L194(lines 193 238) no Hoare annotation was computed. [2021-02-19 17:01:04,844 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 837 882) no Hoare annotation was computed. [2021-02-19 17:01:04,844 INFO L189 CegarLoopUtils]: For program point L857(lines 857 864) no Hoare annotation was computed. [2021-02-19 17:01:04,844 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 837 882) no Hoare annotation was computed. [2021-02-19 17:01:04,844 INFO L189 CegarLoopUtils]: For program point L851(lines 851 871) no Hoare annotation was computed. [2021-02-19 17:01:04,844 INFO L189 CegarLoopUtils]: For program point L851-1(lines 851 871) no Hoare annotation was computed. [2021-02-19 17:01:04,844 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 837 882) no Hoare annotation was computed. [2021-02-19 17:01:04,845 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 316 323) no Hoare annotation was computed. [2021-02-19 17:01:04,845 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 316 323) no Hoare annotation was computed. [2021-02-19 17:01:04,845 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 316 323) no Hoare annotation was computed. [2021-02-19 17:01:04,845 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 506 514) no Hoare annotation was computed. [2021-02-19 17:01:04,845 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 506 514) the Hoare annotation is: true [2021-02-19 17:01:04,845 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 506 514) no Hoare annotation was computed. [2021-02-19 17:01:04,845 INFO L185 CegarLoopUtils]: At program point L544(line 544) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-02-19 17:01:04,845 INFO L189 CegarLoopUtils]: For program point L544-1(line 544) no Hoare annotation was computed. [2021-02-19 17:01:04,845 INFO L189 CegarLoopUtils]: For program point L542(lines 542 559) no Hoare annotation was computed. [2021-02-19 17:01:04,845 INFO L189 CegarLoopUtils]: For program point L542-1(lines 534 562) no Hoare annotation was computed. [2021-02-19 17:01:04,846 INFO L185 CegarLoopUtils]: At program point L540(line 540) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 17:01:04,846 INFO L189 CegarLoopUtils]: For program point L540-1(line 540) no Hoare annotation was computed. [2021-02-19 17:01:04,846 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 534 562) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 17:01:04,846 INFO L185 CegarLoopUtils]: At program point L549(line 549) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 17:01:04,846 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__2EXIT(lines 534 562) no Hoare annotation was computed. [2021-02-19 17:01:04,846 INFO L189 CegarLoopUtils]: For program point L547(lines 547 553) no Hoare annotation was computed. [2021-02-19 17:01:04,846 INFO L189 CegarLoopUtils]: For program point L546(lines 546 556) no Hoare annotation was computed. [2021-02-19 17:01:04,846 INFO L185 CegarLoopUtils]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 526 533) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2021-02-19 17:01:04,846 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1FINAL(lines 526 533) no Hoare annotation was computed. [2021-02-19 17:01:04,847 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification2_spec__1EXIT(lines 526 533) no Hoare annotation was computed. [2021-02-19 17:01:04,847 INFO L189 CegarLoopUtils]: For program point L482-2(lines 482 490) no Hoare annotation was computed. [2021-02-19 17:01:04,847 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 474 496) no Hoare annotation was computed. [2021-02-19 17:01:04,847 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 474 496) no Hoare annotation was computed. [2021-02-19 17:01:04,847 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 474 496) no Hoare annotation was computed. [2021-02-19 17:01:04,847 INFO L189 CegarLoopUtils]: For program point L482(lines 482 490) no Hoare annotation was computed. [2021-02-19 17:01:04,847 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 149 158) no Hoare annotation was computed. [2021-02-19 17:01:04,847 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 149 158) no Hoare annotation was computed. [2021-02-19 17:01:04,847 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 149 158) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point L799(line 799) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 734 836) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point L799-1(line 799) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point L758(lines 758 762) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point L822(lines 822 833) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point L785(lines 785 789) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point L783-2(lines 783 803) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 734 836) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point L804(lines 782 805) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point L763(lines 763 779) no Hoare annotation was computed. [2021-02-19 17:01:04,848 INFO L189 CegarLoopUtils]: For program point L823(lines 823 830) no Hoare annotation was computed. [2021-02-19 17:01:04,849 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 734 836) no Hoare annotation was computed. [2021-02-19 17:01:04,849 INFO L189 CegarLoopUtils]: For program point L784(lines 783 803) no Hoare annotation was computed. [2021-02-19 17:01:04,849 INFO L189 CegarLoopUtils]: For program point L815(line 815) no Hoare annotation was computed. [2021-02-19 17:01:04,849 INFO L189 CegarLoopUtils]: For program point L815-1(line 815) no Hoare annotation was computed. [2021-02-19 17:01:04,849 INFO L189 CegarLoopUtils]: For program point L780(lines 780 821) no Hoare annotation was computed. [2021-02-19 17:01:04,849 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:01:04,850 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#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~string31.offset| |old(#t~string31.offset)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 17:01:04,850 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:01:04,850 INFO L189 CegarLoopUtils]: For program point L336(line 336) no Hoare annotation was computed. [2021-02-19 17:01:04,850 INFO L189 CegarLoopUtils]: For program point L336-1(lines 325 341) no Hoare annotation was computed. [2021-02-19 17:01:04,850 INFO L189 CegarLoopUtils]: For program point L332(lines 332 338) no Hoare annotation was computed. [2021-02-19 17:01:04,850 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 325 341) no Hoare annotation was computed. [2021-02-19 17:01:04,850 INFO L189 CegarLoopUtils]: For program point L330(line 330) no Hoare annotation was computed. [2021-02-19 17:01:04,850 INFO L189 CegarLoopUtils]: For program point L330-1(line 330) no Hoare annotation was computed. [2021-02-19 17:01:04,850 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 325 341) no Hoare annotation was computed. [2021-02-19 17:01:04,851 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 497 505) no Hoare annotation was computed. [2021-02-19 17:01:04,851 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 497 505) no Hoare annotation was computed. [2021-02-19 17:01:04,851 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 497 505) no Hoare annotation was computed. [2021-02-19 17:01:04,851 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 453 464) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 17:01:04,851 INFO L189 CegarLoopUtils]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2021-02-19 17:01:04,851 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 453 464) no Hoare annotation was computed. [2021-02-19 17:01:04,851 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:01:04,851 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 17:01:04,852 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:01:04,852 INFO L185 CegarLoopUtils]: At program point L272(line 272) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:04,852 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 259 282) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:04,852 INFO L185 CegarLoopUtils]: At program point L270(lines 270 276) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:04,852 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 259 282) no Hoare annotation was computed. [2021-02-19 17:01:04,852 INFO L185 CegarLoopUtils]: At program point L265(line 265) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 17:01:04,852 INFO L189 CegarLoopUtils]: For program point L263(lines 262 281) no Hoare annotation was computed. [2021-02-19 17:01:04,852 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 259 282) no Hoare annotation was computed. [2021-02-19 17:01:04,853 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-02-19 17:01:04,853 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2021-02-19 17:01:04,853 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2021-02-19 17:01:04,853 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-02-19 17:01:04,853 INFO L192 CegarLoopUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2021-02-19 17:01:04,853 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-02-19 17:01:04,853 INFO L192 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2021-02-19 17:01:04,853 INFO L192 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: true [2021-02-19 17:01:04,853 INFO L189 CegarLoopUtils]: For program point L50-1(line 50) no Hoare annotation was computed. [2021-02-19 17:01:04,853 INFO L192 CegarLoopUtils]: At program point L69(lines 44 73) the Hoare annotation is: true [2021-02-19 17:01:04,854 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 465 473) the Hoare annotation is: true [2021-02-19 17:01:04,854 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 465 473) no Hoare annotation was computed. [2021-02-19 17:01:04,854 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 465 473) no Hoare annotation was computed. [2021-02-19 17:01:04,854 INFO L189 CegarLoopUtils]: For program point L433-1(lines 429 440) no Hoare annotation was computed. [2021-02-19 17:01:04,854 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 429 440) the Hoare annotation is: true [2021-02-19 17:01:04,854 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 429 440) no Hoare annotation was computed. [2021-02-19 17:01:04,854 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2021-02-19 17:01:04,854 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2021-02-19 17:01:04,854 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:01:04,855 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 17:01:04,855 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:01:04,855 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:01:04,855 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 441 452) no Hoare annotation was computed. [2021-02-19 17:01:04,855 INFO L189 CegarLoopUtils]: For program point L445-1(lines 441 452) no Hoare annotation was computed. [2021-02-19 17:01:04,855 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 441 452) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 17:01:04,855 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 516 523) no Hoare annotation was computed. [2021-02-19 17:01:04,855 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 520) no Hoare annotation was computed. [2021-02-19 17:01:04,855 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 516 523) the Hoare annotation is: true [2021-02-19 17:01:04,855 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 516 523) no Hoare annotation was computed. [2021-02-19 17:01:04,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:01:04 BoogieIcfgContainer [2021-02-19 17:01:04,871 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:01:04,873 INFO L168 Benchmark]: Toolchain (without parser) took 29565.82 ms. Allocated memory was 151.0 MB in the beginning and 431.0 MB in the end (delta: 280.0 MB). Free memory was 133.5 MB in the beginning and 276.8 MB in the end (delta: -143.3 MB). Peak memory consumption was 263.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:04,873 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 123.2 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:01:04,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.70 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 111.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:04,874 INFO L168 Benchmark]: Boogie Preprocessor took 164.37 ms. Allocated memory is still 151.0 MB. Free memory was 111.6 MB in the beginning and 129.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 1.8 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:04,875 INFO L168 Benchmark]: RCFGBuilder took 1143.92 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 129.6 MB in the beginning and 120.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:04,876 INFO L168 Benchmark]: TraceAbstraction took 27667.97 ms. Allocated memory was 181.4 MB in the beginning and 431.0 MB in the end (delta: 249.6 MB). Free memory was 119.5 MB in the beginning and 276.8 MB in the end (delta: -157.3 MB). Peak memory consumption was 219.3 MB. Max. memory is 8.0 GB. [2021-02-19 17:01:04,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 123.2 MB in the end (delta: 80.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 568.70 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 111.6 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 164.37 ms. Allocated memory is still 151.0 MB. Free memory was 111.6 MB in the beginning and 129.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 1.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1143.92 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 129.6 MB in the beginning and 120.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 27667.97 ms. Allocated memory was 181.4 MB in the beginning and 431.0 MB in the end (delta: 249.6 MB). Free memory was 119.5 MB in the beginning and 276.8 MB in the end (delta: -157.3 MB). Peak memory consumption was 219.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 520]: 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: 193]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 435 SDtfs, 746 SDslu, 378 SDs, 0 SdLazy, 1746 SolverSat, 469 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 777 HoareAnnotationTreeSize, 246 FomulaSimplifications, 98057 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 51 FomulaSimplificationsInter, 9933 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 89466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...