/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 21:47:59,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 21:47:59,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 21:47:59,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 21:47:59,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 21:47:59,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 21:47:59,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 21:47:59,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 21:47:59,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 21:47:59,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 21:47:59,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 21:47:59,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 21:47:59,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 21:47:59,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 21:47:59,921 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 21:47:59,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 21:47:59,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 21:47:59,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 21:47:59,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 21:47:59,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 21:47:59,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 21:47:59,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 21:47:59,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 21:47:59,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 21:47:59,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 21:47:59,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 21:47:59,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 21:47:59,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 21:47:59,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 21:47:59,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 21:47:59,988 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 21:47:59,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 21:47:59,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 21:47:59,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 21:47:59,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 21:47:59,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 21:47:59,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 21:47:59,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 21:47:59,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 21:47:59,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 21:47:59,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 21:47:59,995 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 [2020-11-06 21:48:00,045 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 21:48:00,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 21:48:00,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 21:48:00,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 21:48:00,050 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 21:48:00,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 21:48:00,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 21:48:00,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 21:48:00,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 21:48:00,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 21:48:00,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 21:48:00,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 21:48:00,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 21:48:00,053 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 21:48:00,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 21:48:00,053 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 21:48:00,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 21:48:00,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 21:48:00,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 21:48:00,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 21:48:00,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 21:48:00,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 21:48:00,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 21:48:00,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 21:48:00,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 21:48:00,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 21:48:00,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 21:48:00,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 21:48:00,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 21:48:00,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 21:48:00,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 21:48:00,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 21:48:00,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 21:48:00,461 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 21:48:00,462 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 21:48:00,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-11-06 21:48:00,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59f50a78/7bcfc2d75a86404abf68565678827cb4/FLAG7144727b7 [2020-11-06 21:48:01,221 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 21:48:01,221 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-11-06 21:48:01,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59f50a78/7bcfc2d75a86404abf68565678827cb4/FLAG7144727b7 [2020-11-06 21:48:01,269 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a59f50a78/7bcfc2d75a86404abf68565678827cb4 [2020-11-06 21:48:01,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 21:48:01,280 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 21:48:01,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 21:48:01,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 21:48:01,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 21:48:01,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:48:01" (1/1) ... [2020-11-06 21:48:01,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae1c076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01, skipping insertion in model container [2020-11-06 21:48:01,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:48:01" (1/1) ... [2020-11-06 21:48:01,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 21:48:01,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 21:48:01,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:48:01,701 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 21:48:01,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 21:48:01,895 INFO L208 MainTranslator]: Completed translation [2020-11-06 21:48:01,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01 WrapperNode [2020-11-06 21:48:01,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 21:48:01,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 21:48:01,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 21:48:01,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 21:48:01,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01" (1/1) ... [2020-11-06 21:48:01,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01" (1/1) ... [2020-11-06 21:48:01,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01" (1/1) ... [2020-11-06 21:48:01,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01" (1/1) ... [2020-11-06 21:48:01,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01" (1/1) ... [2020-11-06 21:48:01,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01" (1/1) ... [2020-11-06 21:48:01,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01" (1/1) ... [2020-11-06 21:48:01,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 21:48:01,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 21:48:01,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 21:48:01,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 21:48:01,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01" (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 [2020-11-06 21:48:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 21:48:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 21:48:02,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-06 21:48:02,061 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 21:48:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-06 21:48:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-06 21:48:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-06 21:48:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-06 21:48:02,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-06 21:48:02,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-06 21:48:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-06 21:48:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-06 21:48:02,064 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-06 21:48:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-06 21:48:02,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-06 21:48:02,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-06 21:48:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-06 21:48:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-06 21:48:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-06 21:48:02,067 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-06 21:48:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-06 21:48:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-06 21:48:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-06 21:48:02,069 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-06 21:48:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-06 21:48:02,074 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-06 21:48:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-06 21:48:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-06 21:48:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 21:48:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-06 21:48:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-06 21:48:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-06 21:48:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-06 21:48:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-06 21:48:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-06 21:48:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-06 21:48:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-06 21:48:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-06 21:48:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-06 21:48:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-06 21:48:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 21:48:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 21:48:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 21:48:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 21:48:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 21:48:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-06 21:48:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-06 21:48:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-06 21:48:02,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-06 21:48:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 21:48:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 21:48:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 21:48:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 21:48:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-06 21:48:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 21:48:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-06 21:48:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-06 21:48:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 21:48:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-06 21:48:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-06 21:48:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-06 21:48:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-06 21:48:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-06 21:48:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-06 21:48:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-06 21:48:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-06 21:48:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-06 21:48:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-06 21:48:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-06 21:48:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-06 21:48:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-06 21:48:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-06 21:48:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-06 21:48:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-06 21:48:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-06 21:48:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-06 21:48:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-06 21:48:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-06 21:48:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-06 21:48:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-06 21:48:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-06 21:48:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-06 21:48:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-06 21:48:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-06 21:48:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-06 21:48:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-06 21:48:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-06 21:48:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-06 21:48:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 21:48:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-06 21:48:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-06 21:48:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 21:48:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 21:48:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 21:48:03,386 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 21:48:03,386 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-06 21:48:03,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:48:03 BoogieIcfgContainer [2020-11-06 21:48:03,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 21:48:03,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 21:48:03,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 21:48:03,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 21:48:03,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:48:01" (1/3) ... [2020-11-06 21:48:03,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785513ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:48:03, skipping insertion in model container [2020-11-06 21:48:03,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:48:01" (2/3) ... [2020-11-06 21:48:03,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785513ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:48:03, skipping insertion in model container [2020-11-06 21:48:03,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:48:03" (3/3) ... [2020-11-06 21:48:03,401 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-11-06 21:48:03,418 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 21:48:03,424 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-06 21:48:03,438 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-06 21:48:03,478 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 21:48:03,479 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 21:48:03,480 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 21:48:03,480 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 21:48:03,480 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 21:48:03,480 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 21:48:03,481 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 21:48:03,482 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 21:48:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-11-06 21:48:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-06 21:48:03,529 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:03,530 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:03,531 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:03,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:03,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1648934170, now seen corresponding path program 1 times [2020-11-06 21:48:03,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:03,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756487528] [2020-11-06 21:48:03,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,346 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:04,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:48:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-11-06 21:48:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-06 21:48:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:04,471 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756487528] [2020-11-06 21:48:04,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:04,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-06 21:48:04,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213540982] [2020-11-06 21:48:04,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 21:48:04,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:04,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 21:48:04,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:48:04,495 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 4 states. [2020-11-06 21:48:05,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:05,482 INFO L93 Difference]: Finished difference Result 260 states and 338 transitions. [2020-11-06 21:48:05,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-06 21:48:05,484 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2020-11-06 21:48:05,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:05,497 INFO L225 Difference]: With dead ends: 260 [2020-11-06 21:48:05,497 INFO L226 Difference]: Without dead ends: 142 [2020-11-06 21:48:05,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-06 21:48:05,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-11-06 21:48:05,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 116. [2020-11-06 21:48:05,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-06 21:48:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2020-11-06 21:48:05,616 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 60 [2020-11-06 21:48:05,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:05,617 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2020-11-06 21:48:05,617 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 21:48:05,617 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2020-11-06 21:48:05,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-11-06 21:48:05,620 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:05,621 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:05,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 21:48:05,621 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:05,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:05,622 INFO L82 PathProgramCache]: Analyzing trace with hash -155724878, now seen corresponding path program 1 times [2020-11-06 21:48:05,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:05,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15435565] [2020-11-06 21:48:05,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,118 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:06,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:48:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-11-06 21:48:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-11-06 21:48:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:06,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:06,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15435565] [2020-11-06 21:48:06,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:06,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:48:06,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655896989] [2020-11-06 21:48:06,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:48:06,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:06,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:48:06,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:48:06,277 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 9 states. [2020-11-06 21:48:06,830 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:07,368 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:07,773 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:08,158 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:09,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:09,528 INFO L93 Difference]: Finished difference Result 230 states and 289 transitions. [2020-11-06 21:48:09,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 21:48:09,533 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-11-06 21:48:09,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:09,539 INFO L225 Difference]: With dead ends: 230 [2020-11-06 21:48:09,539 INFO L226 Difference]: Without dead ends: 142 [2020-11-06 21:48:09,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-11-06 21:48:09,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-11-06 21:48:09,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 116. [2020-11-06 21:48:09,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-11-06 21:48:09,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2020-11-06 21:48:09,605 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 65 [2020-11-06 21:48:09,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:09,605 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2020-11-06 21:48:09,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:48:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2020-11-06 21:48:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-11-06 21:48:09,615 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:09,615 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:09,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 21:48:09,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:09,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:09,616 INFO L82 PathProgramCache]: Analyzing trace with hash -246355120, now seen corresponding path program 1 times [2020-11-06 21:48:09,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:09,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496548244] [2020-11-06 21:48:09,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,120 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:10,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:10,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:48:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 21:48:10,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-11-06 21:48:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-11-06 21:48:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:10,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496548244] [2020-11-06 21:48:10,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:10,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 21:48:10,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192333446] [2020-11-06 21:48:10,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-06 21:48:10,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:10,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-06 21:48:10,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-06 21:48:10,228 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand 6 states. [2020-11-06 21:48:10,922 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:11,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:11,942 INFO L93 Difference]: Finished difference Result 217 states and 272 transitions. [2020-11-06 21:48:11,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 21:48:11,943 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-11-06 21:48:11,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:11,948 INFO L225 Difference]: With dead ends: 217 [2020-11-06 21:48:11,948 INFO L226 Difference]: Without dead ends: 147 [2020-11-06 21:48:11,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-11-06 21:48:11,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-11-06 21:48:12,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 107. [2020-11-06 21:48:12,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-11-06 21:48:12,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2020-11-06 21:48:12,032 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 69 [2020-11-06 21:48:12,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:12,034 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2020-11-06 21:48:12,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-06 21:48:12,035 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2020-11-06 21:48:12,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-11-06 21:48:12,038 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:12,038 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:12,039 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 21:48:12,039 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:12,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:12,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1852851709, now seen corresponding path program 1 times [2020-11-06 21:48:12,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:12,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009152121] [2020-11-06 21:48:12,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,481 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:12,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:48:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:48:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-06 21:48:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-11-06 21:48:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:12,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:12,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009152121] [2020-11-06 21:48:12,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:12,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 21:48:12,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7349030] [2020-11-06 21:48:12,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 21:48:12,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:12,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 21:48:12,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:48:12,604 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand 7 states. [2020-11-06 21:48:13,128 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:14,843 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:15,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:15,327 INFO L93 Difference]: Finished difference Result 303 states and 380 transitions. [2020-11-06 21:48:15,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-06 21:48:15,328 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-11-06 21:48:15,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:15,332 INFO L225 Difference]: With dead ends: 303 [2020-11-06 21:48:15,332 INFO L226 Difference]: Without dead ends: 224 [2020-11-06 21:48:15,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-11-06 21:48:15,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-11-06 21:48:15,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 179. [2020-11-06 21:48:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-11-06 21:48:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 208 transitions. [2020-11-06 21:48:15,403 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 208 transitions. Word has length 73 [2020-11-06 21:48:15,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:15,404 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 208 transitions. [2020-11-06 21:48:15,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 21:48:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 208 transitions. [2020-11-06 21:48:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-11-06 21:48:15,406 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:15,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:15,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 21:48:15,407 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:15,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:15,407 INFO L82 PathProgramCache]: Analyzing trace with hash 619425353, now seen corresponding path program 1 times [2020-11-06 21:48:15,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:15,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721694781] [2020-11-06 21:48:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,788 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:15,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:48:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:48:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-11-06 21:48:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-11-06 21:48:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 21:48:15,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721694781] [2020-11-06 21:48:15,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:15,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:48:15,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540636317] [2020-11-06 21:48:15,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:48:15,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:15,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:48:15,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:48:15,916 INFO L87 Difference]: Start difference. First operand 179 states and 208 transitions. Second operand 9 states. [2020-11-06 21:48:16,507 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:17,309 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:18,165 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:18,618 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:19,255 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:19,619 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:20,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:20,058 INFO L93 Difference]: Finished difference Result 372 states and 459 transitions. [2020-11-06 21:48:20,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-06 21:48:20,059 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-11-06 21:48:20,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:20,063 INFO L225 Difference]: With dead ends: 372 [2020-11-06 21:48:20,063 INFO L226 Difference]: Without dead ends: 221 [2020-11-06 21:48:20,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-11-06 21:48:20,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-11-06 21:48:20,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 178. [2020-11-06 21:48:20,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-11-06 21:48:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 205 transitions. [2020-11-06 21:48:20,109 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 205 transitions. Word has length 87 [2020-11-06 21:48:20,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:20,109 INFO L481 AbstractCegarLoop]: Abstraction has 178 states and 205 transitions. [2020-11-06 21:48:20,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:48:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 205 transitions. [2020-11-06 21:48:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-06 21:48:20,111 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:20,111 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:20,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-06 21:48:20,111 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:20,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:20,112 INFO L82 PathProgramCache]: Analyzing trace with hash 166037994, now seen corresponding path program 1 times [2020-11-06 21:48:20,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:20,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366762339] [2020-11-06 21:48:20,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,506 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:20,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:48:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:48:20,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-11-06 21:48:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 21:48:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:20,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366762339] [2020-11-06 21:48:20,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:20,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-06 21:48:20,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236902513] [2020-11-06 21:48:20,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-06 21:48:20,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:20,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-06 21:48:20,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-11-06 21:48:20,659 INFO L87 Difference]: Start difference. First operand 178 states and 205 transitions. Second operand 9 states. [2020-11-06 21:48:21,892 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:22,276 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:48:22,661 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:23,045 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:23,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:23,743 INFO L93 Difference]: Finished difference Result 370 states and 455 transitions. [2020-11-06 21:48:23,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 21:48:23,743 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2020-11-06 21:48:23,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:23,746 INFO L225 Difference]: With dead ends: 370 [2020-11-06 21:48:23,746 INFO L226 Difference]: Without dead ends: 220 [2020-11-06 21:48:23,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-11-06 21:48:23,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-11-06 21:48:23,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 183. [2020-11-06 21:48:23,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-11-06 21:48:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 210 transitions. [2020-11-06 21:48:23,791 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 210 transitions. Word has length 88 [2020-11-06 21:48:23,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:23,792 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 210 transitions. [2020-11-06 21:48:23,792 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-06 21:48:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 210 transitions. [2020-11-06 21:48:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-06 21:48:23,793 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:23,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:23,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-06 21:48:23,794 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:23,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:23,795 INFO L82 PathProgramCache]: Analyzing trace with hash 188670248, now seen corresponding path program 1 times [2020-11-06 21:48:23,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:23,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290372949] [2020-11-06 21:48:23,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,186 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:24,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:48:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:48:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-11-06 21:48:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 21:48:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:24,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290372949] [2020-11-06 21:48:24,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:24,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-06 21:48:24,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094825470] [2020-11-06 21:48:24,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 21:48:24,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:24,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 21:48:24,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-11-06 21:48:24,356 INFO L87 Difference]: Start difference. First operand 183 states and 210 transitions. Second operand 11 states. [2020-11-06 21:48:25,041 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:25,413 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:25,773 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:26,673 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:27,061 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:27,439 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:28,220 INFO L93 Difference]: Finished difference Result 382 states and 474 transitions. [2020-11-06 21:48:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 21:48:28,221 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2020-11-06 21:48:28,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:28,224 INFO L225 Difference]: With dead ends: 382 [2020-11-06 21:48:28,224 INFO L226 Difference]: Without dead ends: 227 [2020-11-06 21:48:28,225 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-11-06 21:48:28,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-06 21:48:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 187. [2020-11-06 21:48:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-11-06 21:48:28,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2020-11-06 21:48:28,279 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 88 [2020-11-06 21:48:28,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:28,279 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2020-11-06 21:48:28,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 21:48:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2020-11-06 21:48:28,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-06 21:48:28,281 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:28,281 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:28,281 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-06 21:48:28,281 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:28,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:28,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1214162247, now seen corresponding path program 1 times [2020-11-06 21:48:28,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:28,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116187807] [2020-11-06 21:48:28,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,662 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:28,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:28,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-11-06 21:48:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-11-06 21:48:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-11-06 21:48:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 21:48:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:28,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116187807] [2020-11-06 21:48:28,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:28,797 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 21:48:28,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651513817] [2020-11-06 21:48:28,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 21:48:28,798 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:28,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 21:48:28,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-06 21:48:28,799 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 7 states. [2020-11-06 21:48:29,269 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:30,019 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:31,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:31,682 INFO L93 Difference]: Finished difference Result 542 states and 684 transitions. [2020-11-06 21:48:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-06 21:48:31,683 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2020-11-06 21:48:31,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:31,687 INFO L225 Difference]: With dead ends: 542 [2020-11-06 21:48:31,687 INFO L226 Difference]: Without dead ends: 383 [2020-11-06 21:48:31,688 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-11-06 21:48:31,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-11-06 21:48:31,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 344. [2020-11-06 21:48:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-11-06 21:48:31,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 405 transitions. [2020-11-06 21:48:31,769 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 405 transitions. Word has length 88 [2020-11-06 21:48:31,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:31,770 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 405 transitions. [2020-11-06 21:48:31,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 21:48:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 405 transitions. [2020-11-06 21:48:31,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-06 21:48:31,772 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:31,772 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:31,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-06 21:48:31,772 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:31,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:31,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1705432351, now seen corresponding path program 1 times [2020-11-06 21:48:31,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:31,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674051213] [2020-11-06 21:48:31,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,277 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:32,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:48:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-11-06 21:48:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-06 21:48:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-11-06 21:48:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-11-06 21:48:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-06 21:48:32,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674051213] [2020-11-06 21:48:32,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 21:48:32,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-06 21:48:32,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659650897] [2020-11-06 21:48:32,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 21:48:32,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:32,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 21:48:32,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-11-06 21:48:32,461 INFO L87 Difference]: Start difference. First operand 344 states and 405 transitions. Second operand 12 states. [2020-11-06 21:48:33,128 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:34,001 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:35,195 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:35,636 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:36,021 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:48:36,430 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:36,821 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:37,957 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:38,351 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:39,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:39,159 INFO L93 Difference]: Finished difference Result 940 states and 1177 transitions. [2020-11-06 21:48:39,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-11-06 21:48:39,164 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 92 [2020-11-06 21:48:39,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:39,168 INFO L225 Difference]: With dead ends: 940 [2020-11-06 21:48:39,169 INFO L226 Difference]: Without dead ends: 689 [2020-11-06 21:48:39,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-11-06 21:48:39,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2020-11-06 21:48:39,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 581. [2020-11-06 21:48:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-11-06 21:48:39,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 677 transitions. [2020-11-06 21:48:39,327 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 677 transitions. Word has length 92 [2020-11-06 21:48:39,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:39,329 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 677 transitions. [2020-11-06 21:48:39,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 21:48:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 677 transitions. [2020-11-06 21:48:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-11-06 21:48:39,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 21:48:39,334 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 21:48:39,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-06 21:48:39,334 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 21:48:39,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 21:48:39,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1772932701, now seen corresponding path program 1 times [2020-11-06 21:48:39,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 21:48:39,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985238077] [2020-11-06 21:48:39,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 21:48:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,811 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:48:39,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-11-06 21:48:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-11-06 21:48:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 21:48:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-11-06 21:48:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-11-06 21:48:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-11-06 21:48:39,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-11-06 21:48:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-11-06 21:48:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-11-06 21:48:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-11-06 21:48:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 21:48:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:39,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-06 21:48:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:40,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 21:48:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:40,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-06 21:48:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:40,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-06 21:48:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:40,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-06 21:48:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:40,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-11-06 21:48:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:40,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-06 21:48:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-06 21:48:40,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985238077] [2020-11-06 21:48:40,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035725123] [2020-11-06 21:48:40,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 21:48:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 21:48:40,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-06 21:48:40,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 21:48:40,706 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 21:48:40,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 21:48:40,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-11-06 21:48:40,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238169043] [2020-11-06 21:48:40,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-06 21:48:40,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 21:48:40,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-06 21:48:40,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-11-06 21:48:40,708 INFO L87 Difference]: Start difference. First operand 581 states and 677 transitions. Second operand 20 states. [2020-11-06 21:48:41,819 WARN L194 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-06 21:48:42,349 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:48:42,756 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:48:43,153 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-06 21:48:43,973 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-06 21:48:44,394 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-06 21:48:44,998 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-11-06 21:48:45,770 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-06 21:48:46,310 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-06 21:48:47,361 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:47,792 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-06 21:48:48,206 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-06 21:48:48,667 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-06 21:48:49,347 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:48:50,011 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-06 21:48:50,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 21:48:50,299 INFO L93 Difference]: Finished difference Result 905 states and 1077 transitions. [2020-11-06 21:48:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-06 21:48:50,300 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 135 [2020-11-06 21:48:50,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 21:48:50,300 INFO L225 Difference]: With dead ends: 905 [2020-11-06 21:48:50,300 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 21:48:50,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 562 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=489, Invalid=1961, Unknown=0, NotChecked=0, Total=2450 [2020-11-06 21:48:50,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 21:48:50,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 21:48:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 21:48:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 21:48:50,305 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135 [2020-11-06 21:48:50,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 21:48:50,307 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 21:48:50,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-06 21:48:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 21:48:50,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 21:48:50,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-11-06 21:48:50,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 21:48:51,786 WARN L194 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 247 [2020-11-06 21:48:52,430 WARN L194 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 242 [2020-11-06 21:48:54,760 WARN L194 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 241 [2020-11-06 21:48:55,354 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 243 [2020-11-06 21:48:56,639 WARN L194 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 177 DAG size of output: 26 [2020-11-06 21:48:56,957 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-11-06 21:48:57,271 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 23 [2020-11-06 21:48:58,012 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 25 [2020-11-06 21:48:58,277 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-11-06 21:48:59,142 WARN L194 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 29 [2020-11-06 21:48:59,372 WARN L194 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2020-11-06 21:48:59,691 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 17 [2020-11-06 21:49:00,945 WARN L194 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 180 DAG size of output: 29 [2020-11-06 21:49:01,295 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 37 [2020-11-06 21:49:01,558 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-11-06 21:49:01,821 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-11-06 21:49:02,181 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-06 21:49:02,497 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-11-06 21:49:02,839 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-11-06 21:49:03,183 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-11-06 21:49:03,445 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-11-06 21:49:05,057 WARN L194 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 194 DAG size of output: 35 [2020-11-06 21:49:05,393 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-11-06 21:49:06,942 WARN L194 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 187 DAG size of output: 30 [2020-11-06 21:49:07,266 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 15 [2020-11-06 21:49:08,780 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 178 DAG size of output: 27 [2020-11-06 21:49:10,336 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 187 DAG size of output: 28 [2020-11-06 21:49:11,409 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 181 DAG size of output: 26 [2020-11-06 21:49:11,988 WARN L194 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 14 [2020-11-06 21:49:13,219 WARN L194 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 179 DAG size of output: 29 [2020-11-06 21:49:13,624 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 26 [2020-11-06 21:49:13,942 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-11-06 21:49:14,263 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-11-06 21:49:14,571 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 15 [2020-11-06 21:49:15,652 WARN L194 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 183 DAG size of output: 29 [2020-11-06 21:49:15,966 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-11-06 21:49:16,283 WARN L194 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-11-06 21:49:16,673 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 41 [2020-11-06 21:49:17,105 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-11-06 21:49:17,919 WARN L194 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 29 [2020-11-06 21:49:18,235 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 23 [2020-11-06 21:49:18,240 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 21:49:18,240 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 21:49:18,240 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 21:49:18,241 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 21:49:18,241 INFO L266 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-11-06 21:49:18,241 INFO L266 CegarLoopResult]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2020-11-06 21:49:18,241 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 21:49:18,241 INFO L266 CegarLoopResult]: For program point L119-2(lines 119 140) no Hoare annotation was computed. [2020-11-06 21:49:18,241 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 94 149) no Hoare annotation was computed. [2020-11-06 21:49:18,241 INFO L266 CegarLoopResult]: For program point L141(lines 118 142) no Hoare annotation was computed. [2020-11-06 21:49:18,242 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 94 149) no Hoare annotation was computed. [2020-11-06 21:49:18,242 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 94 149) no Hoare annotation was computed. [2020-11-06 21:49:18,242 INFO L266 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-11-06 21:49:18,242 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 150 209) no Hoare annotation was computed. [2020-11-06 21:49:18,242 INFO L266 CegarLoopResult]: For program point L182-1(lines 182 186) no Hoare annotation was computed. [2020-11-06 21:49:18,242 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 21:49:18,242 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 150 209) no Hoare annotation was computed. [2020-11-06 21:49:18,242 INFO L266 CegarLoopResult]: For program point L176-2(lines 176 201) no Hoare annotation was computed. [2020-11-06 21:49:18,243 INFO L266 CegarLoopResult]: For program point L202(lines 175 203) no Hoare annotation was computed. [2020-11-06 21:49:18,243 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 150 209) no Hoare annotation was computed. [2020-11-06 21:49:18,243 INFO L266 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-11-06 21:49:18,243 INFO L266 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-11-06 21:49:18,243 INFO L269 CegarLoopResult]: At program point select_helpersFINAL(lines 663 669) the Hoare annotation is: true [2020-11-06 21:49:18,243 INFO L266 CegarLoopResult]: For program point select_helpersEXIT(lines 663 669) no Hoare annotation was computed. [2020-11-06 21:49:18,243 INFO L266 CegarLoopResult]: For program point valid_productEXIT(lines 670 678) no Hoare annotation was computed. [2020-11-06 21:49:18,243 INFO L269 CegarLoopResult]: At program point valid_productENTRY(lines 670 678) the Hoare annotation is: true [2020-11-06 21:49:18,243 INFO L266 CegarLoopResult]: For program point valid_productFINAL(lines 670 678) no Hoare annotation was computed. [2020-11-06 21:49:18,243 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 883 890) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-11-06 21:49:18,243 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 883 890) no Hoare annotation was computed. [2020-11-06 21:49:18,243 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 883 890) no Hoare annotation was computed. [2020-11-06 21:49:18,244 INFO L266 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-11-06 21:49:18,244 INFO L262 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 891 900) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse2 .cse3) (or (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2))) [2020-11-06 21:49:18,244 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 891 900) no Hoare annotation was computed. [2020-11-06 21:49:18,244 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 891 900) no Hoare annotation was computed. [2020-11-06 21:49:18,244 INFO L262 CegarLoopResult]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 .cse1 .cse2))) [2020-11-06 21:49:18,244 INFO L266 CegarLoopResult]: For program point L914(lines 914 920) no Hoare annotation was computed. [2020-11-06 21:49:18,244 INFO L266 CegarLoopResult]: For program point L913(lines 913 923) no Hoare annotation was computed. [2020-11-06 21:49:18,244 INFO L269 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 901 929) the Hoare annotation is: true [2020-11-06 21:49:18,245 INFO L262 CegarLoopResult]: At program point L911(line 911) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-11-06 21:49:18,245 INFO L266 CegarLoopResult]: For program point L911-1(line 911) no Hoare annotation was computed. [2020-11-06 21:49:18,245 INFO L266 CegarLoopResult]: For program point L909(lines 909 926) no Hoare annotation was computed. [2020-11-06 21:49:18,245 INFO L266 CegarLoopResult]: For program point L909-1(lines 901 929) no Hoare annotation was computed. [2020-11-06 21:49:18,245 INFO L266 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 901 929) no Hoare annotation was computed. [2020-11-06 21:49:18,245 INFO L269 CegarLoopResult]: At program point L907(line 907) the Hoare annotation is: true [2020-11-06 21:49:18,245 INFO L266 CegarLoopResult]: For program point L907-1(line 907) no Hoare annotation was computed. [2020-11-06 21:49:18,245 INFO L262 CegarLoopResult]: At program point L766(line 766) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:49:18,245 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 754 776) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:49:18,246 INFO L262 CegarLoopResult]: At program point L766-1(line 766) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:49:18,246 INFO L266 CegarLoopResult]: For program point L764(lines 764 771) no Hoare annotation was computed. [2020-11-06 21:49:18,246 INFO L266 CegarLoopResult]: For program point L764-1(lines 764 771) no Hoare annotation was computed. [2020-11-06 21:49:18,246 INFO L266 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-11-06 21:49:18,246 INFO L262 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:49:18,246 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 754 776) no Hoare annotation was computed. [2020-11-06 21:49:18,246 INFO L262 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:49:18,246 INFO L262 CegarLoopResult]: At program point L760-1(line 760) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point mainFINAL(lines 754 776) no Hoare annotation was computed. [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point Specification2EXIT(lines 711 734) no Hoare annotation was computed. [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point Specification2ENTRY(lines 711 734) no Hoare annotation was computed. [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point Specification2FINAL(lines 711 734) no Hoare annotation was computed. [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point L729(line 729) no Hoare annotation was computed. [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-11-06 21:49:18,247 INFO L266 CegarLoopResult]: For program point L724(line 724) no Hoare annotation was computed. [2020-11-06 21:49:18,248 INFO L266 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-11-06 21:49:18,248 INFO L266 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-11-06 21:49:18,248 INFO L266 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-11-06 21:49:18,248 INFO L266 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-11-06 21:49:18,248 INFO L266 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-11-06 21:49:18,248 INFO L266 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-11-06 21:49:18,248 INFO L266 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-11-06 21:49:18,248 INFO L266 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-11-06 21:49:18,248 INFO L266 CegarLoopResult]: For program point isPumpRunningEXIT(lines 577 585) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L269 CegarLoopResult]: At program point isPumpRunningENTRY(lines 577 585) the Hoare annotation is: true [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point isPumpRunningFINAL(lines 577 585) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point L605(lines 605 613) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point L605-2(lines 605 613) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point L593(lines 593 601) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point L593-2(lines 593 601) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point printPumpFINAL(lines 586 621) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point L616(line 616) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point printPumpENTRY(lines 586 621) no Hoare annotation was computed. [2020-11-06 21:49:18,249 INFO L266 CegarLoopResult]: For program point printPumpEXIT(lines 586 621) no Hoare annotation was computed. [2020-11-06 21:49:18,250 INFO L266 CegarLoopResult]: For program point select_featuresEXIT(lines 656 662) no Hoare annotation was computed. [2020-11-06 21:49:18,250 INFO L269 CegarLoopResult]: At program point select_featuresFINAL(lines 656 662) the Hoare annotation is: true [2020-11-06 21:49:18,250 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 48 93) no Hoare annotation was computed. [2020-11-06 21:49:18,250 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 48 93) no Hoare annotation was computed. [2020-11-06 21:49:18,250 INFO L266 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 48 93) no Hoare annotation was computed. [2020-11-06 21:49:18,250 INFO L266 CegarLoopResult]: For program point L385(lines 385 386) no Hoare annotation was computed. [2020-11-06 21:49:18,250 INFO L266 CegarLoopResult]: For program point L381(lines 381 388) no Hoare annotation was computed. [2020-11-06 21:49:18,250 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 361 406) no Hoare annotation was computed. [2020-11-06 21:49:18,250 INFO L266 CegarLoopResult]: For program point L375(lines 375 395) no Hoare annotation was computed. [2020-11-06 21:49:18,250 INFO L266 CegarLoopResult]: For program point L375-1(lines 375 395) no Hoare annotation was computed. [2020-11-06 21:49:18,251 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 385 386) no Hoare annotation was computed. [2020-11-06 21:49:18,251 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 392 393) no Hoare annotation was computed. [2020-11-06 21:49:18,251 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 361 406) no Hoare annotation was computed. [2020-11-06 21:49:18,251 INFO L266 CegarLoopResult]: For program point L392(lines 392 393) no Hoare annotation was computed. [2020-11-06 21:49:18,251 INFO L266 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 361 406) no Hoare annotation was computed. [2020-11-06 21:49:18,251 INFO L262 CegarLoopResult]: At program point runTestENTRY(lines 743 753) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:49:18,251 INFO L262 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0))) [2020-11-06 21:49:18,251 INFO L266 CegarLoopResult]: For program point runTestEXIT(lines 743 753) no Hoare annotation was computed. [2020-11-06 21:49:18,251 INFO L266 CegarLoopResult]: For program point runTestFINAL(lines 743 753) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 566 576) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 566 576) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 566 576) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point deactivatePumpENTRY(lines 558 565) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point deactivatePumpEXIT(lines 558 565) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point deactivatePumpFINAL(lines 558 565) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2020-11-06 21:49:18,252 INFO L266 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 867 880) no Hoare annotation was computed. [2020-11-06 21:49:18,253 INFO L269 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 867 880) the Hoare annotation is: true [2020-11-06 21:49:18,253 INFO L266 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 867 880) no Hoare annotation was computed. [2020-11-06 21:49:18,253 INFO L262 CegarLoopResult]: At program point L544(line 544) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2020-11-06 21:49:18,253 INFO L266 CegarLoopResult]: For program point L544-1(lines 525 549) no Hoare annotation was computed. [2020-11-06 21:49:18,253 INFO L262 CegarLoopResult]: At program point L539(line 539) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-11-06 21:49:18,253 INFO L262 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0))) [2020-11-06 21:49:18,253 INFO L266 CegarLoopResult]: For program point processEnvironmentEXIT(lines 525 549) no Hoare annotation was computed. [2020-11-06 21:49:18,253 INFO L266 CegarLoopResult]: For program point L533(lines 533 541) no Hoare annotation was computed. [2020-11-06 21:49:18,254 INFO L262 CegarLoopResult]: At program point processEnvironmentENTRY(lines 525 549) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1))) [2020-11-06 21:49:18,254 INFO L262 CegarLoopResult]: At program point L531(line 531) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-11-06 21:49:18,254 INFO L266 CegarLoopResult]: For program point L531-1(line 531) no Hoare annotation was computed. [2020-11-06 21:49:18,254 INFO L266 CegarLoopResult]: For program point L529(lines 529 546) no Hoare annotation was computed. [2020-11-06 21:49:18,254 INFO L266 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 517 523) no Hoare annotation was computed. [2020-11-06 21:49:18,254 INFO L269 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 517 523) the Hoare annotation is: true [2020-11-06 21:49:18,254 INFO L262 CegarLoopResult]: At program point testENTRY(lines 412 475) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:49:18,255 INFO L262 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-11-06 21:49:18,255 INFO L266 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2020-11-06 21:49:18,255 INFO L266 CegarLoopResult]: For program point L442-1(lines 442 448) no Hoare annotation was computed. [2020-11-06 21:49:18,255 INFO L266 CegarLoopResult]: For program point testFINAL(lines 412 475) no Hoare annotation was computed. [2020-11-06 21:49:18,255 INFO L262 CegarLoopResult]: At program point L434(line 434) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2020-11-06 21:49:18,255 INFO L262 CegarLoopResult]: At program point L465(lines 422 467) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2020-11-06 21:49:18,255 INFO L266 CegarLoopResult]: For program point L432(lines 432 438) no Hoare annotation was computed. [2020-11-06 21:49:18,255 INFO L266 CegarLoopResult]: For program point L432-1(lines 432 438) no Hoare annotation was computed. [2020-11-06 21:49:18,256 INFO L266 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2020-11-06 21:49:18,256 INFO L262 CegarLoopResult]: At program point L468(lines 421 469) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-11-06 21:49:18,256 INFO L266 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2020-11-06 21:49:18,256 INFO L262 CegarLoopResult]: At program point L458-2(lines 452 463) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not .cse1) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) [2020-11-06 21:49:18,256 INFO L266 CegarLoopResult]: For program point L423(lines 422 467) no Hoare annotation was computed. [2020-11-06 21:49:18,256 INFO L266 CegarLoopResult]: For program point L452(lines 452 463) no Hoare annotation was computed. [2020-11-06 21:49:18,256 INFO L266 CegarLoopResult]: For program point testEXIT(lines 412 475) no Hoare annotation was computed. [2020-11-06 21:49:18,256 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 339 340) no Hoare annotation was computed. [2020-11-06 21:49:18,256 INFO L266 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 346 347) no Hoare annotation was computed. [2020-11-06 21:49:18,256 INFO L266 CegarLoopResult]: For program point L346(lines 346 347) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 315 360) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 315 360) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point L339(lines 339 340) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 315 360) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point L335(lines 335 342) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point L329(lines 329 349) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point L329-1(lines 329 349) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point printEnvironmentEXIT(lines 835 857) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point printEnvironmentENTRY(lines 835 857) no Hoare annotation was computed. [2020-11-06 21:49:18,257 INFO L266 CegarLoopResult]: For program point printEnvironmentFINAL(lines 835 857) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 212 314) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point L300(lines 300 311) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 212 314) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point L261-2(lines 261 281) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point L282(lines 260 283) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 212 314) no Hoare annotation was computed. [2020-11-06 21:49:18,258 INFO L266 CegarLoopResult]: For program point L241(lines 241 257) no Hoare annotation was computed. [2020-11-06 21:49:18,259 INFO L266 CegarLoopResult]: For program point L301(lines 301 308) no Hoare annotation was computed. [2020-11-06 21:49:18,259 INFO L266 CegarLoopResult]: For program point L262(lines 261 281) no Hoare annotation was computed. [2020-11-06 21:49:18,259 INFO L266 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-11-06 21:49:18,259 INFO L266 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-11-06 21:49:18,259 INFO L266 CegarLoopResult]: For program point L258(lines 258 299) no Hoare annotation was computed. [2020-11-06 21:49:18,259 INFO L266 CegarLoopResult]: For program point select_oneENTRY(lines 646 655) no Hoare annotation was computed. [2020-11-06 21:49:18,259 INFO L266 CegarLoopResult]: For program point select_oneFINAL(lines 646 655) no Hoare annotation was computed. [2020-11-06 21:49:18,259 INFO L266 CegarLoopResult]: For program point select_oneEXIT(lines 646 655) no Hoare annotation was computed. [2020-11-06 21:49:18,259 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:49:18,260 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~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~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-11-06 21:49:18,260 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:49:18,260 INFO L266 CegarLoopResult]: For program point activatePumpFINAL(lines 550 557) no Hoare annotation was computed. [2020-11-06 21:49:18,260 INFO L266 CegarLoopResult]: For program point activatePumpEXIT(lines 550 557) no Hoare annotation was computed. [2020-11-06 21:49:18,260 INFO L262 CegarLoopResult]: At program point activatePumpENTRY(lines 550 557) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-11-06 21:49:18,260 INFO L266 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 622 640) no Hoare annotation was computed. [2020-11-06 21:49:18,260 INFO L266 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-11-06 21:49:18,260 INFO L269 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 622 640) the Hoare annotation is: true [2020-11-06 21:49:18,260 INFO L269 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: true [2020-11-06 21:49:18,261 INFO L266 CegarLoopResult]: For program point L631-2(lines 631 635) no Hoare annotation was computed. [2020-11-06 21:49:18,261 INFO L266 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 622 640) no Hoare annotation was computed. [2020-11-06 21:49:18,261 INFO L266 CegarLoopResult]: For program point L629-1(line 629) no Hoare annotation was computed. [2020-11-06 21:49:18,261 INFO L269 CegarLoopResult]: At program point getWaterLevelENTRY(lines 858 866) the Hoare annotation is: true [2020-11-06 21:49:18,261 INFO L266 CegarLoopResult]: For program point getWaterLevelFINAL(lines 858 866) no Hoare annotation was computed. [2020-11-06 21:49:18,261 INFO L266 CegarLoopResult]: For program point getWaterLevelEXIT(lines 858 866) no Hoare annotation was computed. [2020-11-06 21:49:18,261 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:49:18,261 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-11-06 21:49:18,261 INFO L266 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:49:18,261 INFO L266 CegarLoopResult]: For program point L818-1(lines 814 825) no Hoare annotation was computed. [2020-11-06 21:49:18,261 INFO L262 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 814 825) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse0 .cse1 .cse3 .cse2) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse3 .cse2))) [2020-11-06 21:49:18,262 INFO L266 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 814 825) no Hoare annotation was computed. [2020-11-06 21:49:18,262 INFO L262 CegarLoopResult]: At program point L506(line 506) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 .cse3 .cse4) (or (and .cse0 .cse1) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse2 .cse4) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5 .cse6) (or .cse3 .cse4 .cse5 .cse6))) [2020-11-06 21:49:18,262 INFO L262 CegarLoopResult]: At program point L504(lines 504 510) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or (and (= ~waterLevel~0 1) .cse5 .cse6) .cse7 .cse2 .cse3) (or (and .cse5 .cse6) (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse7 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2020-11-06 21:49:18,262 INFO L262 CegarLoopResult]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) .cse3) (or .cse4 .cse3 .cse5) (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse4 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse5))) [2020-11-06 21:49:18,262 INFO L266 CegarLoopResult]: For program point L497(lines 493 515) no Hoare annotation was computed. [2020-11-06 21:49:18,262 INFO L262 CegarLoopResult]: At program point timeShiftENTRY(lines 490 516) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse4 .cse0 .cse2))) [2020-11-06 21:49:18,263 INFO L266 CegarLoopResult]: For program point L495(lines 493 515) no Hoare annotation was computed. [2020-11-06 21:49:18,263 INFO L266 CegarLoopResult]: For program point timeShiftEXIT(lines 490 516) no Hoare annotation was computed. [2020-11-06 21:49:18,263 INFO L266 CegarLoopResult]: For program point timeShiftFINAL(lines 490 516) no Hoare annotation was computed. [2020-11-06 21:49:18,263 INFO L266 CegarLoopResult]: For program point cleanupEXIT(lines 681 710) no Hoare annotation was computed. [2020-11-06 21:49:18,263 INFO L266 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-11-06 21:49:18,263 INFO L269 CegarLoopResult]: At program point cleanupENTRY(lines 681 710) the Hoare annotation is: true [2020-11-06 21:49:18,263 INFO L266 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2020-11-06 21:49:18,263 INFO L269 CegarLoopResult]: At program point L695-1(lines 695 699) the Hoare annotation is: true [2020-11-06 21:49:18,263 INFO L266 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-11-06 21:49:18,263 INFO L269 CegarLoopResult]: At program point L691-2(lines 691 705) the Hoare annotation is: true [2020-11-06 21:49:18,264 INFO L269 CegarLoopResult]: At program point L687(line 687) the Hoare annotation is: true [2020-11-06 21:49:18,264 INFO L266 CegarLoopResult]: For program point L687-1(line 687) no Hoare annotation was computed. [2020-11-06 21:49:18,264 INFO L269 CegarLoopResult]: At program point L706(lines 681 710) the Hoare annotation is: true [2020-11-06 21:49:18,264 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 826 834) no Hoare annotation was computed. [2020-11-06 21:49:18,264 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 826 834) no Hoare annotation was computed. [2020-11-06 21:49:18,264 INFO L266 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 826 834) no Hoare annotation was computed. [2020-11-06 21:49:18,264 INFO L262 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 790 801) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) [2020-11-06 21:49:18,264 INFO L266 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 790 801) no Hoare annotation was computed. [2020-11-06 21:49:18,264 INFO L266 CegarLoopResult]: For program point L794-1(lines 790 801) no Hoare annotation was computed. [2020-11-06 21:49:18,264 INFO L266 CegarLoopResult]: For program point setupEXIT(lines 735 741) no Hoare annotation was computed. [2020-11-06 21:49:18,265 INFO L269 CegarLoopResult]: At program point setupFINAL(lines 735 741) the Hoare annotation is: true [2020-11-06 21:49:18,265 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 21:49:18,265 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-06 21:49:18,265 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 21:49:18,265 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 21:49:18,265 INFO L266 CegarLoopResult]: For program point waterRiseEXIT(lines 802 813) no Hoare annotation was computed. [2020-11-06 21:49:18,265 INFO L266 CegarLoopResult]: For program point L806-1(lines 802 813) no Hoare annotation was computed. [2020-11-06 21:49:18,265 INFO L262 CegarLoopResult]: At program point waterRiseENTRY(lines 802 813) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (= 2 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (or .cse3 .cse4 .cse5 .cse2) (or .cse0 .cse3 .cse5 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse4 .cse2))) [2020-11-06 21:49:18,265 INFO L266 CegarLoopResult]: For program point __automaton_failFINAL(lines 778 785) no Hoare annotation was computed. [2020-11-06 21:49:18,266 INFO L266 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-11-06 21:49:18,266 INFO L269 CegarLoopResult]: At program point __automaton_failENTRY(lines 778 785) the Hoare annotation is: true [2020-11-06 21:49:18,266 INFO L266 CegarLoopResult]: For program point __automaton_failEXIT(lines 778 785) no Hoare annotation was computed. [2020-11-06 21:49:18,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:49:18 BoogieIcfgContainer [2020-11-06 21:49:18,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 21:49:18,284 INFO L168 Benchmark]: Toolchain (without parser) took 77009.30 ms. Allocated memory was 151.0 MB in the beginning and 533.7 MB in the end (delta: 382.7 MB). Free memory was 104.8 MB in the beginning and 402.6 MB in the end (delta: -297.8 MB). Peak memory consumption was 309.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:49:18,285 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 21:49:18,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.18 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 126.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-11-06 21:49:18,286 INFO L168 Benchmark]: Boogie Preprocessor took 91.30 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 122.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 21:49:18,287 INFO L168 Benchmark]: RCFGBuilder took 1401.61 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 104.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 64.7 MB. Max. memory is 8.0 GB. [2020-11-06 21:49:18,288 INFO L168 Benchmark]: TraceAbstraction took 74889.59 ms. Allocated memory was 151.0 MB in the beginning and 533.7 MB in the end (delta: 382.7 MB). Free memory was 103.6 MB in the beginning and 402.6 MB in the end (delta: -299.0 MB). Peak memory consumption was 307.6 MB. Max. memory is 8.0 GB. [2020-11-06 21:49:18,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 613.18 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 126.4 MB in the end (delta: -22.2 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 91.30 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 122.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1401.61 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 104.1 MB in the end (delta: 18.6 MB). Peak memory consumption was 64.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 74889.59 ms. Allocated memory was 151.0 MB in the beginning and 533.7 MB in the end (delta: 382.7 MB). Free memory was 103.6 MB in the beginning and 402.6 MB in the end (delta: -299.0 MB). Peak memory consumption was 307.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 346]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 339]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 385]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 392]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) == 1) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((1 <= pumpRunning && 2 == waterLevel) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((1 <= pumpRunning && splverifierCounter == 0) && pumpRunning <= switchedOnBeforeTS) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 47.0s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 39.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1183 SDtfs, 2425 SDslu, 1788 SDs, 0 SdLazy, 6202 SolverSat, 1599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 612 GetRequests, 436 SyntacticMatches, 3 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 23.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=581occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 404 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 782 PreInvPairs, 842 NumberOfFragments, 1617 HoareAnnotationTreeSize, 782 FomulaSimplifications, 24624801 FormulaSimplificationTreeSizeReduction, 4.8s HoareSimplificationTime, 53 FomulaSimplificationsInter, 166129 FormulaSimplificationTreeSizeReductionInter, 22.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 980 NumberOfCodeBlocks, 980 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 969 ConstructedInterpolants, 0 QuantifiedInterpolants, 345547 SizeOfPredicates, 4 NumberOfNonLiveVariables, 913 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 84/103 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...