/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:47:28,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:47:28,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:47:28,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:47:28,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:47:28,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:47:28,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:47:28,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:47:28,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:47:28,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:47:28,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:47:28,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:47:28,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:47:28,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:47:28,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:47:28,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:47:28,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:47:28,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:47:28,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:47:28,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:47:28,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:47:28,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:47:28,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:47:28,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:47:28,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:47:28,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:47:28,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:47:28,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:47:28,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:47:28,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:47:28,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:47:28,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:47:28,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:47:28,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:47:28,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:47:28,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:47:28,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:47:28,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:47:28,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:47:28,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:47:28,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:47:28,994 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 [2020-07-07 10:47:29,008 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:47:29,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:47:29,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:47:29,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:47:29,010 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:47:29,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:47:29,011 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:47:29,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:47:29,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:47:29,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:47:29,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:47:29,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:47:29,012 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:47:29,012 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:47:29,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:47:29,012 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:47:29,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:47:29,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:47:29,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:47:29,013 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:47:29,013 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:47:29,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:47:29,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:47:29,014 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:47:29,014 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:47:29,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:47:29,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:47:29,015 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:47:29,015 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:47:29,015 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:47:29,289 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:47:29,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:47:29,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:47:29,306 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:47:29,307 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:47:29,307 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-07-07 10:47:29,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c2cd0d3/9f2ec39bb6154249bb2eda33a92d5dcb/FLAG91d69b56e [2020-07-07 10:47:29,929 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:47:29,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2020-07-07 10:47:29,941 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c2cd0d3/9f2ec39bb6154249bb2eda33a92d5dcb/FLAG91d69b56e [2020-07-07 10:47:30,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c2cd0d3/9f2ec39bb6154249bb2eda33a92d5dcb [2020-07-07 10:47:30,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:47:30,220 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:47:30,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:47:30,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:47:30,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:47:30,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221ba80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30, skipping insertion in model container [2020-07-07 10:47:30,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:47:30,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:47:30,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:47:30,601 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:47:30,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:47:30,865 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:47:30,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30 WrapperNode [2020-07-07 10:47:30,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:47:30,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:47:30,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:47:30,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:47:30,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30" (1/1) ... [2020-07-07 10:47:30,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:47:30,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:47:30,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:47:30,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:47:30,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30" (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 [2020-07-07 10:47:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:47:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:47:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:47:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:47:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:47:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:47:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:47:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:47:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:47:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:47:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:47:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:47:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:47:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:47:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:47:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:47:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:47:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:47:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:47:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:47:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:47:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:47:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:47:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:47:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:47:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:47:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:47:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:47:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:47:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:47:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:47:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:47:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:47:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:47:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:47:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:47:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:47:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:47:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:47:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:47:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:47:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:47:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:47:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:47:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:47:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:47:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:47:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:47:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:47:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:47:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:47:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:47:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:47:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:47:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:47:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:47:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:47:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:47:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:47:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:47:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:47:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:47:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:47:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:47:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:47:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-07 10:47:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:47:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:47:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:47:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:47:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:47:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:47:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:47:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:47:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:47:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:47:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:47:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:47:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:47:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:47:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:47:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:47:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:47:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:47:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:47:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:47:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:47:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:47:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:47:31,074 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:47:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:47:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:47:31,075 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:47:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:47:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:47:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:47:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:47:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:47:32,265 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:47:32,266 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:47:32,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:47:32 BoogieIcfgContainer [2020-07-07 10:47:32,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:47:32,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:47:32,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:47:32,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:47:32,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:47:30" (1/3) ... [2020-07-07 10:47:32,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4ce941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:47:32, skipping insertion in model container [2020-07-07 10:47:32,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:47:30" (2/3) ... [2020-07-07 10:47:32,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4ce941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:47:32, skipping insertion in model container [2020-07-07 10:47:32,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:47:32" (3/3) ... [2020-07-07 10:47:32,280 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2020-07-07 10:47:32,291 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:47:32,300 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:47:32,315 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:47:32,339 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:47:32,340 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:47:32,340 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:47:32,340 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:47:32,340 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:47:32,341 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:47:32,341 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:47:32,341 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:47:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2020-07-07 10:47:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-07 10:47:32,373 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:32,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:32,375 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:32,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:32,380 INFO L82 PathProgramCache]: Analyzing trace with hash -298144076, now seen corresponding path program 1 times [2020-07-07 10:47:32,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:32,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058334248] [2020-07-07 10:47:32,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,039 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:33,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058334248] [2020-07-07 10:47:33,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:33,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-07 10:47:33,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574058112] [2020-07-07 10:47:33,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 10:47:33,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:33,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 10:47:33,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:47:33,189 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 3 states. [2020-07-07 10:47:34,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:34,502 INFO L93 Difference]: Finished difference Result 338 states and 432 transitions. [2020-07-07 10:47:34,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 10:47:34,504 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-07 10:47:34,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:34,520 INFO L225 Difference]: With dead ends: 338 [2020-07-07 10:47:34,520 INFO L226 Difference]: Without dead ends: 182 [2020-07-07 10:47:34,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-07 10:47:34,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-07-07 10:47:34,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 147. [2020-07-07 10:47:34,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-07 10:47:34,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 170 transitions. [2020-07-07 10:47:34,633 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 170 transitions. Word has length 46 [2020-07-07 10:47:34,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:34,634 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 170 transitions. [2020-07-07 10:47:34,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 10:47:34,635 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 170 transitions. [2020-07-07 10:47:34,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-07 10:47:34,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:34,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:34,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:47:34,648 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:34,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:34,649 INFO L82 PathProgramCache]: Analyzing trace with hash -491113124, now seen corresponding path program 1 times [2020-07-07 10:47:34,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:34,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291720472] [2020-07-07 10:47:34,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,027 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:35,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:35,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291720472] [2020-07-07 10:47:35,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:35,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:47:35,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433884603] [2020-07-07 10:47:35,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:47:35,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:35,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:47:35,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:47:35,102 INFO L87 Difference]: Start difference. First operand 147 states and 170 transitions. Second operand 4 states. [2020-07-07 10:47:35,537 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:36,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:36,480 INFO L93 Difference]: Finished difference Result 267 states and 319 transitions. [2020-07-07 10:47:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 10:47:36,481 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-07 10:47:36,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:36,484 INFO L225 Difference]: With dead ends: 267 [2020-07-07 10:47:36,485 INFO L226 Difference]: Without dead ends: 166 [2020-07-07 10:47:36,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:47:36,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-07 10:47:36,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 138. [2020-07-07 10:47:36,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-07 10:47:36,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2020-07-07 10:47:36,528 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 47 [2020-07-07 10:47:36,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:36,528 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2020-07-07 10:47:36,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:47:36,529 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2020-07-07 10:47:36,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-07 10:47:36,531 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:36,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:36,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:47:36,531 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:36,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:36,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1388977157, now seen corresponding path program 1 times [2020-07-07 10:47:36,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:36,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801841908] [2020-07-07 10:47:36,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:36,903 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:36,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801841908] [2020-07-07 10:47:36,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:36,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 10:47:36,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223011594] [2020-07-07 10:47:36,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:47:36,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:36,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:47:36,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-07 10:47:36,986 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 8 states. [2020-07-07 10:47:37,404 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:37,708 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:38,004 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:38,229 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:39,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:39,462 INFO L93 Difference]: Finished difference Result 280 states and 337 transitions. [2020-07-07 10:47:39,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:47:39,463 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-07-07 10:47:39,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:39,467 INFO L225 Difference]: With dead ends: 280 [2020-07-07 10:47:39,467 INFO L226 Difference]: Without dead ends: 166 [2020-07-07 10:47:39,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:47:39,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-07 10:47:39,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 138. [2020-07-07 10:47:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-07-07 10:47:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 157 transitions. [2020-07-07 10:47:39,540 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 157 transitions. Word has length 52 [2020-07-07 10:47:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:39,541 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 157 transitions. [2020-07-07 10:47:39,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:47:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2020-07-07 10:47:39,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:47:39,551 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:39,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:39,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:47:39,554 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:39,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:39,554 INFO L82 PathProgramCache]: Analyzing trace with hash 105794737, now seen corresponding path program 1 times [2020-07-07 10:47:39,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:39,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923043336] [2020-07-07 10:47:39,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,895 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:40,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923043336] [2020-07-07 10:47:40,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:40,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-07 10:47:40,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956579357] [2020-07-07 10:47:40,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:47:40,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:40,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:47:40,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-07 10:47:40,009 INFO L87 Difference]: Start difference. First operand 138 states and 157 transitions. Second operand 6 states. [2020-07-07 10:47:40,362 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:41,613 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:42,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:42,250 INFO L93 Difference]: Finished difference Result 377 states and 459 transitions. [2020-07-07 10:47:42,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:47:42,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-07 10:47:42,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:42,258 INFO L225 Difference]: With dead ends: 377 [2020-07-07 10:47:42,258 INFO L226 Difference]: Without dead ends: 263 [2020-07-07 10:47:42,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:47:42,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-07-07 10:47:42,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 220. [2020-07-07 10:47:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-07-07 10:47:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 248 transitions. [2020-07-07 10:47:42,342 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 248 transitions. Word has length 65 [2020-07-07 10:47:42,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:42,343 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 248 transitions. [2020-07-07 10:47:42,343 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:47:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 248 transitions. [2020-07-07 10:47:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-07 10:47:42,345 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:42,346 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:42,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:47:42,346 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:42,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:42,347 INFO L82 PathProgramCache]: Analyzing trace with hash -830596407, now seen corresponding path program 1 times [2020-07-07 10:47:42,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:42,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441789253] [2020-07-07 10:47:42,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,623 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:42,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441789253] [2020-07-07 10:47:42,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:42,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 10:47:42,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277637882] [2020-07-07 10:47:42,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 10:47:42,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:42,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 10:47:42,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:47:42,746 INFO L87 Difference]: Start difference. First operand 220 states and 248 transitions. Second operand 10 states. [2020-07-07 10:47:43,289 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:43,556 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:43,774 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:44,360 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:44,600 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:44,851 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:45,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:45,843 INFO L93 Difference]: Finished difference Result 460 states and 553 transitions. [2020-07-07 10:47:45,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:47:45,844 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2020-07-07 10:47:45,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:45,847 INFO L225 Difference]: With dead ends: 460 [2020-07-07 10:47:45,847 INFO L226 Difference]: Without dead ends: 264 [2020-07-07 10:47:45,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:47:45,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-07-07 10:47:45,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 224. [2020-07-07 10:47:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-07 10:47:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 252 transitions. [2020-07-07 10:47:45,891 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 252 transitions. Word has length 79 [2020-07-07 10:47:45,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:45,891 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 252 transitions. [2020-07-07 10:47:45,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 10:47:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 252 transitions. [2020-07-07 10:47:45,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-07 10:47:45,893 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:45,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:45,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:47:45,893 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:45,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:45,894 INFO L82 PathProgramCache]: Analyzing trace with hash 2078167495, now seen corresponding path program 1 times [2020-07-07 10:47:45,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:45,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536626740] [2020-07-07 10:47:45,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,189 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:46,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536626740] [2020-07-07 10:47:46,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:47:46,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:47:46,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101438117] [2020-07-07 10:47:46,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:47:46,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:46,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:47:46,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:47:46,361 INFO L87 Difference]: Start difference. First operand 224 states and 252 transitions. Second operand 12 states. [2020-07-07 10:47:46,836 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:47,127 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:47,373 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:47,611 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:48,149 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:47:49,023 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:49,346 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:49,611 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:49,899 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:47:50,226 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:50,472 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:47:51,877 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:47:52,298 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:47:52,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:52,993 INFO L93 Difference]: Finished difference Result 789 states and 997 transitions. [2020-07-07 10:47:52,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-07 10:47:52,993 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 79 [2020-07-07 10:47:52,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:52,999 INFO L225 Difference]: With dead ends: 789 [2020-07-07 10:47:52,999 INFO L226 Difference]: Without dead ends: 589 [2020-07-07 10:47:53,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:47:53,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2020-07-07 10:47:53,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 527. [2020-07-07 10:47:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-07-07 10:47:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 609 transitions. [2020-07-07 10:47:53,097 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 609 transitions. Word has length 79 [2020-07-07 10:47:53,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:53,098 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 609 transitions. [2020-07-07 10:47:53,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:47:53,098 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 609 transitions. [2020-07-07 10:47:53,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-07 10:47:53,101 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:53,102 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-07 10:47:53,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:47:53,102 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:53,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:53,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1201141545, now seen corresponding path program 1 times [2020-07-07 10:47:53,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:53,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777585904] [2020-07-07 10:47:53,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,385 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:53,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-07 10:47:53,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777585904] [2020-07-07 10:47:53,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431448912] [2020-07-07 10:47:53,670 INFO L94 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 [2020-07-07 10:47:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:53,966 INFO L264 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-07 10:47:53,981 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:54,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:47:54,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 17 [2020-07-07 10:47:54,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710638471] [2020-07-07 10:47:54,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:47:54,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:54,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:47:54,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-07 10:47:54,160 INFO L87 Difference]: Start difference. First operand 527 states and 609 transitions. Second operand 8 states. [2020-07-07 10:47:55,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:55,628 INFO L93 Difference]: Finished difference Result 1328 states and 1690 transitions. [2020-07-07 10:47:55,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-07 10:47:55,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2020-07-07 10:47:55,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:55,637 INFO L225 Difference]: With dead ends: 1328 [2020-07-07 10:47:55,637 INFO L226 Difference]: Without dead ends: 950 [2020-07-07 10:47:55,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2020-07-07 10:47:55,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2020-07-07 10:47:55,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 869. [2020-07-07 10:47:55,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-07-07 10:47:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1047 transitions. [2020-07-07 10:47:55,882 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1047 transitions. Word has length 154 [2020-07-07 10:47:55,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:55,882 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 1047 transitions. [2020-07-07 10:47:55,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:47:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1047 transitions. [2020-07-07 10:47:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-07 10:47:55,890 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:55,890 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:56,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-07 10:47:56,105 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:56,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:56,105 INFO L82 PathProgramCache]: Analyzing trace with hash -2098643833, now seen corresponding path program 1 times [2020-07-07 10:47:56,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:56,106 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439590101] [2020-07-07 10:47:56,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,415 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,644 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-07 10:47:56,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439590101] [2020-07-07 10:47:56,645 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257242310] [2020-07-07 10:47:56,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:56,859 INFO L264 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:47:56,865 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-07 10:47:56,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:47:56,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2020-07-07 10:47:56,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022940244] [2020-07-07 10:47:56,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:47:56,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:56,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:47:56,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:47:56,954 INFO L87 Difference]: Start difference. First operand 869 states and 1047 transitions. Second operand 6 states. [2020-07-07 10:47:57,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:57,315 INFO L93 Difference]: Finished difference Result 890 states and 1070 transitions. [2020-07-07 10:47:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:47:57,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2020-07-07 10:47:57,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:57,323 INFO L225 Difference]: With dead ends: 890 [2020-07-07 10:47:57,324 INFO L226 Difference]: Without dead ends: 887 [2020-07-07 10:47:57,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:47:57,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-07-07 10:47:57,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 869. [2020-07-07 10:47:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-07-07 10:47:57,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1043 transitions. [2020-07-07 10:47:57,518 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1043 transitions. Word has length 145 [2020-07-07 10:47:57,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:57,520 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 1043 transitions. [2020-07-07 10:47:57,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:47:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1043 transitions. [2020-07-07 10:47:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-07 10:47:57,524 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:57,525 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:57,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:57,738 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:57,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:57,739 INFO L82 PathProgramCache]: Analyzing trace with hash -413235800, now seen corresponding path program 1 times [2020-07-07 10:47:57,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:57,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530584865] [2020-07-07 10:47:57,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,061 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 10:47:58,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530584865] [2020-07-07 10:47:58,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113427053] [2020-07-07 10:47:58,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:58,408 INFO L264 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:47:58,413 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:58,439 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-07 10:47:58,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:47:58,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-07 10:47:58,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949384946] [2020-07-07 10:47:58,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:47:58,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:58,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:47:58,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-07 10:47:58,441 INFO L87 Difference]: Start difference. First operand 869 states and 1043 transitions. Second operand 6 states. [2020-07-07 10:47:58,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:47:58,605 INFO L93 Difference]: Finished difference Result 1552 states and 1927 transitions. [2020-07-07 10:47:58,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:47:58,606 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2020-07-07 10:47:58,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:47:58,611 INFO L225 Difference]: With dead ends: 1552 [2020-07-07 10:47:58,611 INFO L226 Difference]: Without dead ends: 707 [2020-07-07 10:47:58,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:47:58,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-07-07 10:47:58,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 705. [2020-07-07 10:47:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-07-07 10:47:58,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 840 transitions. [2020-07-07 10:47:58,814 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 840 transitions. Word has length 149 [2020-07-07 10:47:58,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:47:58,814 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 840 transitions. [2020-07-07 10:47:58,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:47:58,814 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 840 transitions. [2020-07-07 10:47:58,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-07 10:47:58,817 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:47:58,818 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:47:59,032 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:59,032 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:47:59,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:47:59,033 INFO L82 PathProgramCache]: Analyzing trace with hash -488644751, now seen corresponding path program 1 times [2020-07-07 10:47:59,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:47:59,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693589529] [2020-07-07 10:47:59,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:47:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,388 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:47:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 10:47:59,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693589529] [2020-07-07 10:47:59,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390312859] [2020-07-07 10:47:59,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:47:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:47:59,815 INFO L264 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-07 10:47:59,822 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:47:59,923 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:47:59,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:47:59,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 14 [2020-07-07 10:47:59,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794607594] [2020-07-07 10:47:59,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 10:47:59,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:47:59,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 10:47:59,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:47:59,925 INFO L87 Difference]: Start difference. First operand 705 states and 840 transitions. Second operand 14 states. [2020-07-07 10:48:00,433 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:48:01,071 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:48:02,198 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2020-07-07 10:48:02,555 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:48:02,866 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-07 10:48:03,342 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-07 10:48:03,649 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:48:03,918 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:48:05,144 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-07 10:48:06,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:06,106 INFO L93 Difference]: Finished difference Result 1422 states and 1790 transitions. [2020-07-07 10:48:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-07-07 10:48:06,107 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2020-07-07 10:48:06,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:06,114 INFO L225 Difference]: With dead ends: 1422 [2020-07-07 10:48:06,114 INFO L226 Difference]: Without dead ends: 804 [2020-07-07 10:48:06,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 208 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=319, Invalid=803, Unknown=0, NotChecked=0, Total=1122 [2020-07-07 10:48:06,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2020-07-07 10:48:06,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 687. [2020-07-07 10:48:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 687 states. [2020-07-07 10:48:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 818 transitions. [2020-07-07 10:48:06,262 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 818 transitions. Word has length 153 [2020-07-07 10:48:06,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:06,263 INFO L479 AbstractCegarLoop]: Abstraction has 687 states and 818 transitions. [2020-07-07 10:48:06,263 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 10:48:06,263 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 818 transitions. [2020-07-07 10:48:06,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-07-07 10:48:06,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:48:06,266 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-07 10:48:06,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:06,481 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:48:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:48:06,482 INFO L82 PathProgramCache]: Analyzing trace with hash 700598337, now seen corresponding path program 2 times [2020-07-07 10:48:06,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:48:06,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69855162] [2020-07-07 10:48:06,483 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:48:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,818 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 55 proven. 27 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-07-07 10:48:07,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69855162] [2020-07-07 10:48:07,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929809158] [2020-07-07 10:48:07,398 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:07,833 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-07 10:48:07,833 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-07 10:48:07,839 INFO L264 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 16 conjunts are in the unsatisfiable core [2020-07-07 10:48:07,850 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:07,976 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-07 10:48:07,977 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-07 10:48:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-07 10:48:08,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:48:08,137 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 24 [2020-07-07 10:48:08,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447173985] [2020-07-07 10:48:08,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:48:08,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:08,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:48:08,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:48:08,143 INFO L87 Difference]: Start difference. First operand 687 states and 818 transitions. Second operand 9 states. [2020-07-07 10:48:10,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:10,101 INFO L93 Difference]: Finished difference Result 1771 states and 2163 transitions. [2020-07-07 10:48:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-07 10:48:10,102 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 207 [2020-07-07 10:48:10,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:10,109 INFO L225 Difference]: With dead ends: 1771 [2020-07-07 10:48:10,109 INFO L226 Difference]: Without dead ends: 1169 [2020-07-07 10:48:10,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 266 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=172, Invalid=1088, Unknown=0, NotChecked=0, Total=1260 [2020-07-07 10:48:10,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2020-07-07 10:48:10,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1051. [2020-07-07 10:48:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1051 states. [2020-07-07 10:48:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 1221 transitions. [2020-07-07 10:48:10,348 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 1221 transitions. Word has length 207 [2020-07-07 10:48:10,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:10,348 INFO L479 AbstractCegarLoop]: Abstraction has 1051 states and 1221 transitions. [2020-07-07 10:48:10,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:48:10,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1221 transitions. [2020-07-07 10:48:10,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-07-07 10:48:10,352 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:48:10,353 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1] [2020-07-07 10:48:10,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-07 10:48:10,566 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:48:10,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:48:10,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1257976449, now seen corresponding path program 1 times [2020-07-07 10:48:10,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:48:10,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031335658] [2020-07-07 10:48:10,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:48:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,822 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-07 10:48:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,108 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-07-07 10:48:11,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031335658] [2020-07-07 10:48:11,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571171367] [2020-07-07 10:48:11,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:48:11,318 INFO L264 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-07 10:48:11,323 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:48:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-07-07 10:48:11,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:48:11,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 13 [2020-07-07 10:48:11,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160426469] [2020-07-07 10:48:11,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-07 10:48:11,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:48:11,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-07 10:48:11,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-07-07 10:48:11,368 INFO L87 Difference]: Start difference. First operand 1051 states and 1221 transitions. Second operand 6 states. [2020-07-07 10:48:11,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:48:11,489 INFO L93 Difference]: Finished difference Result 1426 states and 1651 transitions. [2020-07-07 10:48:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-07 10:48:11,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 207 [2020-07-07 10:48:11,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:48:11,492 INFO L225 Difference]: With dead ends: 1426 [2020-07-07 10:48:11,492 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:48:11,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:48:11,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:48:11,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:48:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:48:11,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:48:11,497 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 207 [2020-07-07 10:48:11,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:48:11,497 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:48:11,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-07 10:48:11,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:48:11,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:48:11,711 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:48:11,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:48:12,700 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 233 [2020-07-07 10:48:13,283 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 233 [2020-07-07 10:48:13,551 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 231 [2020-07-07 10:48:14,151 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 233 [2020-07-07 10:48:15,371 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 233 [2020-07-07 10:48:16,454 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 11 [2020-07-07 10:48:16,616 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-07 10:48:16,800 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-07 10:48:16,988 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-07 10:48:17,533 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 28 [2020-07-07 10:48:17,713 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-07 10:48:18,081 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 25 [2020-07-07 10:48:18,424 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 14 [2020-07-07 10:48:18,618 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-07 10:48:19,143 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 20 [2020-07-07 10:48:19,574 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2020-07-07 10:48:19,948 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 25 [2020-07-07 10:48:20,136 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-07 10:48:20,327 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-07 10:48:20,648 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 25 [2020-07-07 10:48:20,827 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-07 10:48:21,394 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 26 [2020-07-07 10:48:21,610 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2020-07-07 10:48:21,848 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 25 [2020-07-07 10:48:22,387 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 21 [2020-07-07 10:48:22,579 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-07 10:48:23,133 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 20 [2020-07-07 10:48:23,475 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 15 [2020-07-07 10:48:23,649 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-07 10:48:23,793 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-07 10:48:24,135 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 14 [2020-07-07 10:48:24,767 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 28 [2020-07-07 10:48:25,111 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 15 [2020-07-07 10:48:25,487 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 25 [2020-07-07 10:48:25,693 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-07 10:48:25,895 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-07-07 10:48:26,134 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-07-07 10:48:26,314 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-07 10:48:26,460 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-07 10:48:26,638 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-07 10:48:26,862 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 1 [2020-07-07 10:48:27,076 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 17 [2020-07-07 10:48:27,310 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 16 [2020-07-07 10:48:27,659 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 13 [2020-07-07 10:48:27,840 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-07 10:48:28,381 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 17 [2020-07-07 10:48:28,761 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 19 [2020-07-07 10:48:28,766 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:48:28,766 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-07 10:48:28,766 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-07 10:48:28,766 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-07 10:48:28,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:48:28,766 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-07 10:48:28,766 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:48:28,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-07 10:48:28,767 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-07 10:48:28,767 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-07 10:48:28,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:48:28,767 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:48:28,767 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-07 10:48:28,767 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-07 10:48:28,767 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:48:28,768 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-07 10:48:28,768 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-07 10:48:28,768 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-07 10:48:28,768 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2020-07-07 10:48:28,768 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2020-07-07 10:48:28,768 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2020-07-07 10:48:28,769 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2020-07-07 10:48:28,769 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2020-07-07 10:48:28,769 INFO L268 CegarLoopResult]: For program point L417(lines 417 430) no Hoare annotation was computed. [2020-07-07 10:48:28,769 INFO L268 CegarLoopResult]: For program point L417-1(lines 409 433) no Hoare annotation was computed. [2020-07-07 10:48:28,769 INFO L271 CegarLoopResult]: At program point L415(line 415) the Hoare annotation is: true [2020-07-07 10:48:28,770 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 409 433) the Hoare annotation is: true [2020-07-07 10:48:28,770 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-07-07 10:48:28,770 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 409 433) no Hoare annotation was computed. [2020-07-07 10:48:28,770 INFO L264 CegarLoopResult]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-07 10:48:28,770 INFO L268 CegarLoopResult]: For program point L421(lines 421 427) no Hoare annotation was computed. [2020-07-07 10:48:28,770 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-07 10:48:28,771 INFO L268 CegarLoopResult]: For program point L419-1(line 419) no Hoare annotation was computed. [2020-07-07 10:48:28,771 INFO L268 CegarLoopResult]: For program point L642-1(lines 642 649) no Hoare annotation was computed. [2020-07-07 10:48:28,771 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-07-07 10:48:28,771 INFO L264 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:28,771 INFO L264 CegarLoopResult]: At program point L638(line 638) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:28,771 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 632 654) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:28,772 INFO L264 CegarLoopResult]: At program point L638-1(line 638) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:28,772 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 632 654) no Hoare annotation was computed. [2020-07-07 10:48:28,772 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 632 654) no Hoare annotation was computed. [2020-07-07 10:48:28,772 INFO L264 CegarLoopResult]: At program point L644(line 644) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:28,772 INFO L264 CegarLoopResult]: At program point L644-1(line 644) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 main_~tmp~4)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:28,772 INFO L268 CegarLoopResult]: For program point L642(lines 642 649) no Hoare annotation was computed. [2020-07-07 10:48:28,773 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 587 610) no Hoare annotation was computed. [2020-07-07 10:48:28,773 INFO L268 CegarLoopResult]: For program point L605(line 605) no Hoare annotation was computed. [2020-07-07 10:48:28,773 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 587 610) no Hoare annotation was computed. [2020-07-07 10:48:28,773 INFO L268 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-07-07 10:48:28,773 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 587 610) no Hoare annotation was computed. [2020-07-07 10:48:28,773 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-07-07 10:48:28,773 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-07 10:48:28,773 INFO L268 CegarLoopResult]: For program point L601(line 601) no Hoare annotation was computed. [2020-07-07 10:48:28,773 INFO L268 CegarLoopResult]: For program point L600(line 600) no Hoare annotation was computed. [2020-07-07 10:48:28,774 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-07-07 10:48:28,774 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-07-07 10:48:28,774 INFO L268 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-07-07 10:48:28,774 INFO L268 CegarLoopResult]: For program point L596(line 596) no Hoare annotation was computed. [2020-07-07 10:48:28,774 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-07 10:48:28,774 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-07-07 10:48:28,774 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-07-07 10:48:28,774 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-07 10:48:28,774 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 825 833) no Hoare annotation was computed. [2020-07-07 10:48:28,775 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 825 833) the Hoare annotation is: true [2020-07-07 10:48:28,775 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 825 833) no Hoare annotation was computed. [2020-07-07 10:48:28,775 INFO L271 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: true [2020-07-07 10:48:28,775 INFO L268 CegarLoopResult]: For program point L898-2(lines 898 902) no Hoare annotation was computed. [2020-07-07 10:48:28,775 INFO L268 CegarLoopResult]: For program point L896-1(line 896) no Hoare annotation was computed. [2020-07-07 10:48:28,775 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 889 907) the Hoare annotation is: true [2020-07-07 10:48:28,775 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 889 907) no Hoare annotation was computed. [2020-07-07 10:48:28,775 INFO L268 CegarLoopResult]: For program point L898(lines 898 902) no Hoare annotation was computed. [2020-07-07 10:48:28,775 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 889 907) no Hoare annotation was computed. [2020-07-07 10:48:28,776 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-07 10:48:28,776 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-07-07 10:48:28,776 INFO L268 CegarLoopResult]: For program point L853(lines 853 861) no Hoare annotation was computed. [2020-07-07 10:48:28,776 INFO L268 CegarLoopResult]: For program point L853-2(lines 853 861) no Hoare annotation was computed. [2020-07-07 10:48:28,776 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 834 869) no Hoare annotation was computed. [2020-07-07 10:48:28,776 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-07-07 10:48:28,776 INFO L268 CegarLoopResult]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2020-07-07 10:48:28,776 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 834 869) no Hoare annotation was computed. [2020-07-07 10:48:28,777 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 834 869) no Hoare annotation was computed. [2020-07-07 10:48:28,777 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2020-07-07 10:48:28,777 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2020-07-07 10:48:28,777 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:48:28,777 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:48:28,778 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-07 10:48:28,779 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-07 10:48:28,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:48:28,779 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:48:28,779 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-07 10:48:28,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:48:28,779 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-07 10:48:28,780 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 619 628) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:28,780 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 619 628) no Hoare annotation was computed. [2020-07-07 10:48:28,780 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 619 628) no Hoare annotation was computed. [2020-07-07 10:48:28,780 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 814 824) the Hoare annotation is: true [2020-07-07 10:48:28,780 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 814 824) no Hoare annotation was computed. [2020-07-07 10:48:28,780 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 814 824) no Hoare annotation was computed. [2020-07-07 10:48:28,780 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-07-07 10:48:28,780 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-07 10:48:28,780 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 806 813) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,781 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 806 813) no Hoare annotation was computed. [2020-07-07 10:48:28,781 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 806 813) no Hoare annotation was computed. [2020-07-07 10:48:28,781 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-07-07 10:48:28,781 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2020-07-07 10:48:28,781 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2020-07-07 10:48:28,781 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2020-07-07 10:48:28,781 INFO L264 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,781 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~6)) .cse1))) [2020-07-07 10:48:28,781 INFO L268 CegarLoopResult]: For program point L763(lines 763 771) no Hoare annotation was computed. [2020-07-07 10:48:28,782 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2020-07-07 10:48:28,782 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-07-07 10:48:28,782 INFO L268 CegarLoopResult]: For program point L759(lines 759 776) no Hoare annotation was computed. [2020-07-07 10:48:28,782 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 755 779) no Hoare annotation was computed. [2020-07-07 10:48:28,782 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 755 779) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,782 INFO L264 CegarLoopResult]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-07 10:48:28,782 INFO L268 CegarLoopResult]: For program point L774-1(lines 755 779) no Hoare annotation was computed. [2020-07-07 10:48:28,782 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 721 727) no Hoare annotation was computed. [2020-07-07 10:48:28,783 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 721 727) the Hoare annotation is: true [2020-07-07 10:48:28,783 INFO L268 CegarLoopResult]: For program point L929(lines 929 933) no Hoare annotation was computed. [2020-07-07 10:48:28,783 INFO L264 CegarLoopResult]: At program point testENTRY(lines 917 982) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:28,783 INFO L268 CegarLoopResult]: For program point testFINAL(lines 917 982) no Hoare annotation was computed. [2020-07-07 10:48:28,783 INFO L264 CegarLoopResult]: At program point L975(lines 926 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:48:28,783 INFO L268 CegarLoopResult]: For program point L965(lines 965 969) no Hoare annotation was computed. [2020-07-07 10:48:28,783 INFO L264 CegarLoopResult]: At program point L965-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:48:28,784 INFO L268 CegarLoopResult]: For program point L928(lines 927 974) no Hoare annotation was computed. [2020-07-07 10:48:28,784 INFO L264 CegarLoopResult]: At program point L959(line 959) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:48:28,784 INFO L268 CegarLoopResult]: For program point L957(lines 957 970) no Hoare annotation was computed. [2020-07-07 10:48:28,784 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:48:28,784 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-07-07 10:48:28,784 INFO L268 CegarLoopResult]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2020-07-07 10:48:28,784 INFO L264 CegarLoopResult]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2020-07-07 10:48:28,785 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:48:28,785 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-07 10:48:28,785 INFO L268 CegarLoopResult]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2020-07-07 10:48:28,785 INFO L268 CegarLoopResult]: For program point testEXIT(lines 917 982) no Hoare annotation was computed. [2020-07-07 10:48:28,785 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:48:28,785 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:48:28,785 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-07 10:48:28,785 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-07 10:48:28,785 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:48:28,786 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-07 10:48:28,786 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 780 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,786 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 780 787) no Hoare annotation was computed. [2020-07-07 10:48:28,788 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 780 787) no Hoare annotation was computed. [2020-07-07 10:48:28,788 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 544 552) no Hoare annotation was computed. [2020-07-07 10:48:28,788 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 544 552) the Hoare annotation is: true [2020-07-07 10:48:28,788 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 544 552) no Hoare annotation was computed. [2020-07-07 10:48:28,789 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-07-07 10:48:28,789 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 498 520) no Hoare annotation was computed. [2020-07-07 10:48:28,789 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-07-07 10:48:28,790 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 498 520) no Hoare annotation was computed. [2020-07-07 10:48:28,790 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 498 520) no Hoare annotation was computed. [2020-07-07 10:48:28,790 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-07 10:48:28,790 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:48:28,791 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-07 10:48:28,791 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-07 10:48:28,791 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-07 10:48:28,791 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-07 10:48:28,791 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:48:28,791 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-07 10:48:28,791 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:48:28,791 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-07 10:48:28,791 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-07 10:48:28,792 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-07 10:48:28,792 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-07 10:48:28,792 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-07 10:48:28,792 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-07 10:48:28,792 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-07 10:48:28,793 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 657 666) no Hoare annotation was computed. [2020-07-07 10:48:28,793 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 657 666) no Hoare annotation was computed. [2020-07-07 10:48:28,793 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 657 666) no Hoare annotation was computed. [2020-07-07 10:48:28,793 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:48:28,794 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#t~string42.base)| |#t~string42.base|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(#t~string38.offset)| |#t~string38.offset|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string44.offset)| |#t~string44.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |old(#t~string46.base)| |#t~string46.base|) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= |old(#t~string29.offset)| |#t~string29.offset|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |#t~string64.base| |old(#t~string64.base)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |old(#t~string23.base)| |#t~string23.base|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |old(#t~string31.base)| |#t~string31.base|) (= |#t~string30.offset| |old(#t~string30.offset)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |old(#t~string38.base)| |#t~string38.base|) (= |old(#t~string29.base)| |#t~string29.base|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string46.offset)| |#t~string46.offset|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |#t~string19.base| |old(#t~string19.base)|) (= |old(#t~string66.base)| |#t~string66.base|) (= |old(#t~string40.base)| |#t~string40.base|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |old(#t~string64.offset)| |#t~string64.offset|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string44.base)| |#t~string44.base|) (= |old(#t~string31.offset)| |#t~string31.offset|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |old(#t~string54.offset)| |#t~string54.offset|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-07 10:48:28,794 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:48:28,794 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,794 INFO L268 CegarLoopResult]: For program point L800-1(lines 789 805) no Hoare annotation was computed. [2020-07-07 10:48:28,794 INFO L268 CegarLoopResult]: For program point L796(lines 796 802) no Hoare annotation was computed. [2020-07-07 10:48:28,794 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 789 805) no Hoare annotation was computed. [2020-07-07 10:48:28,795 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,795 INFO L268 CegarLoopResult]: For program point L794-1(line 794) no Hoare annotation was computed. [2020-07-07 10:48:28,795 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 789 805) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,795 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 521 529) the Hoare annotation is: true [2020-07-07 10:48:28,795 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 521 529) no Hoare annotation was computed. [2020-07-07 10:48:28,795 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 521 529) no Hoare annotation was computed. [2020-07-07 10:48:28,795 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 870 888) no Hoare annotation was computed. [2020-07-07 10:48:28,795 INFO L268 CegarLoopResult]: For program point L879(lines 879 883) no Hoare annotation was computed. [2020-07-07 10:48:28,795 INFO L271 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: true [2020-07-07 10:48:28,795 INFO L268 CegarLoopResult]: For program point L879-2(lines 879 883) no Hoare annotation was computed. [2020-07-07 10:48:28,796 INFO L268 CegarLoopResult]: For program point L877-1(line 877) no Hoare annotation was computed. [2020-07-07 10:48:28,797 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 870 888) the Hoare annotation is: true [2020-07-07 10:48:28,797 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 870 888) no Hoare annotation was computed. [2020-07-07 10:48:28,797 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:48:28,797 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:48:28,798 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:48:28,798 INFO L268 CegarLoopResult]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2020-07-07 10:48:28,798 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1))) [2020-07-07 10:48:28,798 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2020-07-07 10:48:28,798 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2020-07-07 10:48:28,798 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2020-07-07 10:48:28,798 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2020-07-07 10:48:28,798 INFO L264 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-07 10:48:28,799 INFO L268 CegarLoopResult]: For program point L701(lines 700 719) no Hoare annotation was computed. [2020-07-07 10:48:28,799 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 697 720) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-07 10:48:28,799 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 697 720) no Hoare annotation was computed. [2020-07-07 10:48:28,799 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 697 720) no Hoare annotation was computed. [2020-07-07 10:48:28,799 INFO L264 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1) (let ((.cse2 (+ ~waterLevel~0 1))) (and .cse0 (<= |old(~waterLevel~0)| .cse2) (<= .cse2 |old(~waterLevel~0)|))) (not (<= 2 |old(~waterLevel~0)|)) .cse3)) (or (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse3))) [2020-07-07 10:48:28,799 INFO L264 CegarLoopResult]: At program point L708(lines 708 714) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (< |old(~waterLevel~0)| 2)) (and .cse0 .cse1) .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or (let ((.cse4 (+ ~waterLevel~0 1))) (and .cse2 (<= |old(~waterLevel~0)| .cse4) .cse0 (<= .cse4 |old(~waterLevel~0)|))) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse3))) [2020-07-07 10:48:28,799 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-07 10:48:28,799 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 556 585) no Hoare annotation was computed. [2020-07-07 10:48:28,801 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 556 585) the Hoare annotation is: true [2020-07-07 10:48:28,801 INFO L268 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2020-07-07 10:48:28,802 INFO L271 CegarLoopResult]: At program point L570-1(lines 570 574) the Hoare annotation is: true [2020-07-07 10:48:28,802 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-07-07 10:48:28,802 INFO L271 CegarLoopResult]: At program point L566-2(lines 566 580) the Hoare annotation is: true [2020-07-07 10:48:28,802 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-07-07 10:48:28,802 INFO L268 CegarLoopResult]: For program point L562-1(line 562) no Hoare annotation was computed. [2020-07-07 10:48:28,802 INFO L271 CegarLoopResult]: At program point L581(lines 556 585) the Hoare annotation is: true [2020-07-07 10:48:28,802 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,803 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2020-07-07 10:48:28,803 INFO L268 CegarLoopResult]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2020-07-07 10:48:28,803 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 611 617) no Hoare annotation was computed. [2020-07-07 10:48:28,803 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 611 617) the Hoare annotation is: true [2020-07-07 10:48:28,803 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:48:28,803 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:48:28,803 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:48:28,803 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:48:28,803 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 908 915) no Hoare annotation was computed. [2020-07-07 10:48:28,804 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 908 915) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~waterLevel~0)) (= |old(~systemActive~0)| ~systemActive~0) .cse0 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= 2 ~waterLevel~0)) (= 1 ~systemActive~0)))) [2020-07-07 10:48:28,804 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 908 915) no Hoare annotation was computed. [2020-07-07 10:48:28,804 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-07-07 10:48:28,804 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 729 753) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,804 INFO L264 CegarLoopResult]: At program point L735(line 735) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,804 INFO L268 CegarLoopResult]: For program point L735-1(line 735) no Hoare annotation was computed. [2020-07-07 10:48:28,804 INFO L268 CegarLoopResult]: For program point L733(lines 733 750) no Hoare annotation was computed. [2020-07-07 10:48:28,804 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 729 753) no Hoare annotation was computed. [2020-07-07 10:48:28,805 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,805 INFO L268 CegarLoopResult]: For program point L748-1(lines 729 753) no Hoare annotation was computed. [2020-07-07 10:48:28,805 INFO L264 CegarLoopResult]: At program point L743(line 743) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,805 INFO L264 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-07 10:48:28,805 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2020-07-07 10:48:28,805 INFO L268 CegarLoopResult]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2020-07-07 10:48:28,805 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-07 10:48:28,805 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 435 442) no Hoare annotation was computed. [2020-07-07 10:48:28,806 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-07-07 10:48:28,806 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 435 442) the Hoare annotation is: true [2020-07-07 10:48:28,806 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 435 442) no Hoare annotation was computed. [2020-07-07 10:48:28,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:48:28 BoogieIcfgContainer [2020-07-07 10:48:28,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:48:28,839 INFO L168 Benchmark]: Toolchain (without parser) took 58617.21 ms. Allocated memory was 137.4 MB in the beginning and 886.0 MB in the end (delta: 748.7 MB). Free memory was 101.1 MB in the beginning and 385.0 MB in the end (delta: -283.9 MB). Peak memory consumption was 745.7 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:28,845 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 10:48:28,846 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.38 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 170.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:28,846 INFO L168 Benchmark]: Boogie Preprocessor took 112.24 ms. Allocated memory is still 201.3 MB. Free memory was 170.5 MB in the beginning and 166.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:28,847 INFO L168 Benchmark]: RCFGBuilder took 1291.99 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 166.2 MB in the beginning and 193.3 MB in the end (delta: -27.1 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:28,847 INFO L168 Benchmark]: TraceAbstraction took 56562.66 ms. Allocated memory was 232.8 MB in the beginning and 886.0 MB in the end (delta: 653.3 MB). Free memory was 193.3 MB in the beginning and 385.0 MB in the end (delta: -191.7 MB). Peak memory consumption was 742.4 MB. Max. memory is 7.1 GB. [2020-07-07 10:48:28,853 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 645.38 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 100.9 MB in the beginning and 170.5 MB in the end (delta: -69.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.24 ms. Allocated memory is still 201.3 MB. Free memory was 170.5 MB in the beginning and 166.2 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1291.99 ms. Allocated memory was 201.3 MB in the beginning and 232.8 MB in the end (delta: 31.5 MB). Free memory was 166.2 MB in the beginning and 193.3 MB in the end (delta: -27.1 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 56562.66 ms. Allocated memory was 232.8 MB in the beginning and 886.0 MB in the end (delta: 653.3 MB). Free memory was 193.3 MB in the beginning and 385.0 MB in the end (delta: -191.7 MB). Peak memory consumption was 742.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((((0 == splverifierCounter && 2 <= waterLevel) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel))) || (((0 == splverifierCounter && 0 == pumpRunning) && 1 == systemActive) && \old(waterLevel) <= waterLevel) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 27.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1856 SDtfs, 3090 SDslu, 3198 SDs, 0 SdLazy, 8000 SolverSat, 1915 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1660 GetRequests, 1466 SyntacticMatches, 12 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1051occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 572 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 1934 PreInvPairs, 1997 NumberOfFragments, 1219 HoareAnnotationTreeSize, 1934 FomulaSimplifications, 1507151 FormulaSimplificationTreeSizeReduction, 4.1s HoareSimplificationTime, 66 FomulaSimplificationsInter, 46834 FormulaSimplificationTreeSizeReductionInter, 12.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2398 NumberOfCodeBlocks, 2398 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2380 ConstructedInterpolants, 0 QuantifiedInterpolants, 830085 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5624 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 640/710 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...