/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_spec5_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 10:52:51,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 10:52:51,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 10:52:51,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 10:52:51,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 10:52:51,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 10:52:51,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 10:52:51,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 10:52:51,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 10:52:51,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 10:52:51,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 10:52:51,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 10:52:51,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 10:52:51,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 10:52:51,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 10:52:51,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 10:52:51,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 10:52:51,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 10:52:51,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 10:52:51,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 10:52:51,910 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 10:52:51,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 10:52:51,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 10:52:51,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 10:52:51,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 10:52:51,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 10:52:51,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 10:52:51,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 10:52:51,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 10:52:51,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 10:52:51,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 10:52:51,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 10:52:51,927 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 10:52:51,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 10:52:51,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 10:52:51,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 10:52:51,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 10:52:51,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 10:52:51,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 10:52:51,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 10:52:51,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 10:52:51,933 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 10:52:51,973 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 10:52:51,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 10:52:51,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 10:52:51,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 10:52:51,977 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 10:52:51,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 10:52:51,977 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 10:52:51,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 10:52:51,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 10:52:51,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 10:52:51,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 10:52:51,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 10:52:51,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 10:52:51,978 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 10:52:51,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 10:52:51,979 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 10:52:51,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 10:52:51,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 10:52:51,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 10:52:51,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 10:52:51,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 10:52:51,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 10:52:51,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 10:52:51,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 10:52:51,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 10:52:51,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 10:52:51,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 10:52:51,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 10:52:51,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 10:52:51,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 10:52:52,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 10:52:52,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 10:52:52,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 10:52:52,271 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 10:52:52,271 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 10:52:52,272 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-07-07 10:52:52,348 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba313f02/3448791b2e654eb9b2158ac855a8e7d8/FLAG68be69107 [2020-07-07 10:52:52,883 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 10:52:52,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-07-07 10:52:52,897 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba313f02/3448791b2e654eb9b2158ac855a8e7d8/FLAG68be69107 [2020-07-07 10:52:53,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fba313f02/3448791b2e654eb9b2158ac855a8e7d8 [2020-07-07 10:52:53,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 10:52:53,203 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 10:52:53,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 10:52:53,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 10:52:53,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 10:52:53,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:52:53" (1/1) ... [2020-07-07 10:52:53,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dfb5e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53, skipping insertion in model container [2020-07-07 10:52:53,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 10:52:53" (1/1) ... [2020-07-07 10:52:53,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 10:52:53,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 10:52:53,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:52:53,790 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 10:52:53,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 10:52:53,929 INFO L208 MainTranslator]: Completed translation [2020-07-07 10:52:53,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53 WrapperNode [2020-07-07 10:52:53,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 10:52:53,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 10:52:53,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 10:52:53,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 10:52:53,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53" (1/1) ... [2020-07-07 10:52:53,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53" (1/1) ... [2020-07-07 10:52:53,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53" (1/1) ... [2020-07-07 10:52:53,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53" (1/1) ... [2020-07-07 10:52:54,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53" (1/1) ... [2020-07-07 10:52:54,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53" (1/1) ... [2020-07-07 10:52:54,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53" (1/1) ... [2020-07-07 10:52:54,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 10:52:54,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 10:52:54,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 10:52:54,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 10:52:54,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53" (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 10:52:54,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 10:52:54,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 10:52:54,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 10:52:54,113 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 10:52:54,113 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 10:52:54,113 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:52:54,113 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:52:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 10:52:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:52:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 10:52:54,114 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 10:52:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 10:52:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 10:52:54,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 10:52:54,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 10:52:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 10:52:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 10:52:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:52:54,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:52:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:52:54,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 10:52:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 10:52:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 10:52:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 10:52:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 10:52:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 10:52:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 10:52:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 10:52:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 10:52:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 10:52:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 10:52:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 10:52:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 10:52:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 10:52:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 10:52:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 10:52:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 10:52:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 10:52:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 10:52:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 10:52:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 10:52:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 10:52:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 10:52:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 10:52:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 10:52:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 10:52:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 10:52:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 10:52:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 10:52:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 10:52:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 10:52:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 10:52:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 10:52:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 10:52:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 10:52:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 10:52:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 10:52:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 10:52:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 10:52:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 10:52:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 10:52:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 10:52:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 10:52:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 10:52:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 10:52:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 10:52:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 10:52:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 10:52:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 10:52:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 10:52:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 10:52:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 10:52:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 10:52:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 10:52:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 10:52:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 10:52:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 10:52:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 10:52:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 10:52:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 10:52:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 10:52:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 10:52:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 10:52:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 10:52:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 10:52:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 10:52:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 10:52:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 10:52:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 10:52:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 10:52:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 10:52:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 10:52:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 10:52:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 10:52:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 10:52:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 10:52:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 10:52:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 10:52:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 10:52:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 10:52:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 10:52:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 10:52:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 10:52:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 10:52:55,237 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 10:52:55,237 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 10:52:55,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:52:55 BoogieIcfgContainer [2020-07-07 10:52:55,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 10:52:55,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 10:52:55,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 10:52:55,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 10:52:55,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 10:52:53" (1/3) ... [2020-07-07 10:52:55,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d894c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:52:55, skipping insertion in model container [2020-07-07 10:52:55,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 10:52:53" (2/3) ... [2020-07-07 10:52:55,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d894c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 10:52:55, skipping insertion in model container [2020-07-07 10:52:55,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 10:52:55" (3/3) ... [2020-07-07 10:52:55,251 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-07-07 10:52:55,262 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 10:52:55,270 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 10:52:55,282 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 10:52:55,304 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 10:52:55,304 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 10:52:55,304 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 10:52:55,305 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 10:52:55,306 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 10:52:55,306 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 10:52:55,306 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 10:52:55,306 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 10:52:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2020-07-07 10:52:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-07 10:52:55,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:55,341 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:55,342 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:55,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:55,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1456889578, now seen corresponding path program 1 times [2020-07-07 10:52:55,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:55,359 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741896271] [2020-07-07 10:52:55,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,069 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:56,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:56,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741896271] [2020-07-07 10:52:56,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:56,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 10:52:56,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277925588] [2020-07-07 10:52:56,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 10:52:56,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:56,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 10:52:56,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:52:56,265 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 4 states. [2020-07-07 10:52:57,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:57,557 INFO L93 Difference]: Finished difference Result 367 states and 468 transitions. [2020-07-07 10:52:57,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 10:52:57,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-07 10:52:57,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:57,574 INFO L225 Difference]: With dead ends: 367 [2020-07-07 10:52:57,574 INFO L226 Difference]: Without dead ends: 201 [2020-07-07 10:52:57,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 10:52:57,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-07 10:52:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 167. [2020-07-07 10:52:57,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-07-07 10:52:57,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 197 transitions. [2020-07-07 10:52:57,674 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 197 transitions. Word has length 59 [2020-07-07 10:52:57,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:57,675 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 197 transitions. [2020-07-07 10:52:57,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 10:52:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2020-07-07 10:52:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-07 10:52:57,680 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:57,680 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:57,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 10:52:57,680 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:57,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:57,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1129690590, now seen corresponding path program 1 times [2020-07-07 10:52:57,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:57,681 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786486310] [2020-07-07 10:52:57,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:57,968 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:52:58,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786486310] [2020-07-07 10:52:58,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:52:58,027 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 10:52:58,027 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108157203] [2020-07-07 10:52:58,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 10:52:58,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:52:58,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 10:52:58,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 10:52:58,030 INFO L87 Difference]: Start difference. First operand 167 states and 197 transitions. Second operand 5 states. [2020-07-07 10:52:58,542 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:52:59,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:52:59,571 INFO L93 Difference]: Finished difference Result 308 states and 376 transitions. [2020-07-07 10:52:59,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 10:52:59,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-07 10:52:59,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:52:59,575 INFO L225 Difference]: With dead ends: 308 [2020-07-07 10:52:59,575 INFO L226 Difference]: Without dead ends: 191 [2020-07-07 10:52:59,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:52:59,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-07-07 10:52:59,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 158. [2020-07-07 10:52:59,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-07 10:52:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 185 transitions. [2020-07-07 10:52:59,621 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 185 transitions. Word has length 60 [2020-07-07 10:52:59,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:52:59,621 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 185 transitions. [2020-07-07 10:52:59,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 10:52:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 185 transitions. [2020-07-07 10:52:59,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-07 10:52:59,623 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:52:59,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:52:59,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 10:52:59,624 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:52:59,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:52:59,624 INFO L82 PathProgramCache]: Analyzing trace with hash -651026134, now seen corresponding path program 1 times [2020-07-07 10:52:59,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:52:59,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475650947] [2020-07-07 10:52:59,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:52:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,961 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:52:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:52:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:00,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:53:00,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475650947] [2020-07-07 10:53:00,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:00,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:53:00,045 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115159659] [2020-07-07 10:53:00,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:53:00,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:00,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:53:00,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:53:00,046 INFO L87 Difference]: Start difference. First operand 158 states and 185 transitions. Second operand 9 states. [2020-07-07 10:53:00,388 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:00,688 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:00,928 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:01,152 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:02,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:02,534 INFO L93 Difference]: Finished difference Result 321 states and 395 transitions. [2020-07-07 10:53:02,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 10:53:02,535 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-07 10:53:02,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:02,538 INFO L225 Difference]: With dead ends: 321 [2020-07-07 10:53:02,538 INFO L226 Difference]: Without dead ends: 191 [2020-07-07 10:53:02,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:53:02,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-07-07 10:53:02,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 158. [2020-07-07 10:53:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-07 10:53:02,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2020-07-07 10:53:02,579 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 65 [2020-07-07 10:53:02,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:02,579 INFO L479 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2020-07-07 10:53:02,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:53:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2020-07-07 10:53:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-07 10:53:02,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:02,582 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:02,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 10:53:02,582 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:02,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:02,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1717523051, now seen corresponding path program 1 times [2020-07-07 10:53:02,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:02,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153076080] [2020-07-07 10:53:02,584 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,894 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:03,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:53:03,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153076080] [2020-07-07 10:53:03,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:03,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:53:03,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251535590] [2020-07-07 10:53:03,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:53:03,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:03,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:53:03,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:53:03,041 INFO L87 Difference]: Start difference. First operand 158 states and 184 transitions. Second operand 7 states. [2020-07-07 10:53:03,396 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:04,940 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:05,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:05,606 INFO L93 Difference]: Finished difference Result 439 states and 543 transitions. [2020-07-07 10:53:05,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:53:05,608 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2020-07-07 10:53:05,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:05,613 INFO L225 Difference]: With dead ends: 439 [2020-07-07 10:53:05,613 INFO L226 Difference]: Without dead ends: 309 [2020-07-07 10:53:05,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-07 10:53:05,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-07-07 10:53:05,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 263. [2020-07-07 10:53:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-07-07 10:53:05,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 298 transitions. [2020-07-07 10:53:05,691 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 298 transitions. Word has length 83 [2020-07-07 10:53:05,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:05,692 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 298 transitions. [2020-07-07 10:53:05,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:53:05,692 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 298 transitions. [2020-07-07 10:53:05,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-07 10:53:05,693 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:05,694 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:05,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 10:53:05,694 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:05,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:05,695 INFO L82 PathProgramCache]: Analyzing trace with hash 119397721, now seen corresponding path program 1 times [2020-07-07 10:53:05,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:05,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864786144] [2020-07-07 10:53:05,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,002 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:06,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 10:53:06,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864786144] [2020-07-07 10:53:06,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:06,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:53:06,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256200617] [2020-07-07 10:53:06,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:53:06,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:06,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:53:06,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:53:06,193 INFO L87 Difference]: Start difference. First operand 263 states and 298 transitions. Second operand 9 states. [2020-07-07 10:53:06,592 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:07,259 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:08,130 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:08,390 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:08,800 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:09,026 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:09,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:09,625 INFO L93 Difference]: Finished difference Result 543 states and 648 transitions. [2020-07-07 10:53:09,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 10:53:09,626 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-07-07 10:53:09,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:09,629 INFO L225 Difference]: With dead ends: 543 [2020-07-07 10:53:09,630 INFO L226 Difference]: Without dead ends: 308 [2020-07-07 10:53:09,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:53:09,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-07-07 10:53:09,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 262. [2020-07-07 10:53:09,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-07-07 10:53:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 295 transitions. [2020-07-07 10:53:09,679 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 295 transitions. Word has length 97 [2020-07-07 10:53:09,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:09,679 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 295 transitions. [2020-07-07 10:53:09,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:53:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 295 transitions. [2020-07-07 10:53:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-07 10:53:09,681 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:09,681 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:09,682 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 10:53:09,682 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:09,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:09,682 INFO L82 PathProgramCache]: Analyzing trace with hash 299468705, now seen corresponding path program 1 times [2020-07-07 10:53:09,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:09,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006335822] [2020-07-07 10:53:09,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,936 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:53:10,124 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006335822] [2020-07-07 10:53:10,124 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:10,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-07 10:53:10,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096197320] [2020-07-07 10:53:10,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 10:53:10,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:10,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 10:53:10,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-07 10:53:10,126 INFO L87 Difference]: Start difference. First operand 262 states and 295 transitions. Second operand 9 states. [2020-07-07 10:53:11,252 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:11,489 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:11,719 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:11,951 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:12,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:12,837 INFO L93 Difference]: Finished difference Result 543 states and 653 transitions. [2020-07-07 10:53:12,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-07 10:53:12,840 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-07-07 10:53:12,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:12,844 INFO L225 Difference]: With dead ends: 543 [2020-07-07 10:53:12,844 INFO L226 Difference]: Without dead ends: 309 [2020-07-07 10:53:12,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-07 10:53:12,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2020-07-07 10:53:12,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 267. [2020-07-07 10:53:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-07-07 10:53:12,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 300 transitions. [2020-07-07 10:53:12,906 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 300 transitions. Word has length 113 [2020-07-07 10:53:12,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:12,907 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 300 transitions. [2020-07-07 10:53:12,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 10:53:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 300 transitions. [2020-07-07 10:53:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-07 10:53:12,908 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:12,909 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:12,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 10:53:12,909 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:12,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:12,910 INFO L82 PathProgramCache]: Analyzing trace with hash -2056336545, now seen corresponding path program 1 times [2020-07-07 10:53:12,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:12,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824399365] [2020-07-07 10:53:12,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,173 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:13,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:53:13,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824399365] [2020-07-07 10:53:13,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:13,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 10:53:13,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407036018] [2020-07-07 10:53:13,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 10:53:13,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:13,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 10:53:13,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-07 10:53:13,333 INFO L87 Difference]: Start difference. First operand 267 states and 300 transitions. Second operand 11 states. [2020-07-07 10:53:14,071 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:14,319 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:14,542 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:15,235 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:15,472 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:15,715 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:16,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:16,828 INFO L93 Difference]: Finished difference Result 553 states and 664 transitions. [2020-07-07 10:53:16,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-07 10:53:16,831 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2020-07-07 10:53:16,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:16,838 INFO L225 Difference]: With dead ends: 553 [2020-07-07 10:53:16,839 INFO L226 Difference]: Without dead ends: 314 [2020-07-07 10:53:16,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-07 10:53:16,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-07-07 10:53:16,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 271. [2020-07-07 10:53:16,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-07-07 10:53:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 304 transitions. [2020-07-07 10:53:16,911 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 304 transitions. Word has length 113 [2020-07-07 10:53:16,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:16,912 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 304 transitions. [2020-07-07 10:53:16,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 10:53:16,912 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 304 transitions. [2020-07-07 10:53:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-07-07 10:53:16,918 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:16,919 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:16,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 10:53:16,920 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:16,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:16,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1287166530, now seen corresponding path program 1 times [2020-07-07 10:53:16,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:16,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572892909] [2020-07-07 10:53:16,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,205 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:53:17,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572892909] [2020-07-07 10:53:17,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:17,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 10:53:17,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598544027] [2020-07-07 10:53:17,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 10:53:17,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:17,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 10:53:17,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 10:53:17,370 INFO L87 Difference]: Start difference. First operand 271 states and 304 transitions. Second operand 7 states. [2020-07-07 10:53:18,005 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:18,621 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:20,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:20,682 INFO L93 Difference]: Finished difference Result 745 states and 915 transitions. [2020-07-07 10:53:20,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 10:53:20,683 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-07-07 10:53:20,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:20,688 INFO L225 Difference]: With dead ends: 745 [2020-07-07 10:53:20,688 INFO L226 Difference]: Without dead ends: 502 [2020-07-07 10:53:20,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-07-07 10:53:20,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2020-07-07 10:53:20,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 460. [2020-07-07 10:53:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-07-07 10:53:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 532 transitions. [2020-07-07 10:53:20,760 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 532 transitions. Word has length 113 [2020-07-07 10:53:20,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:20,761 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 532 transitions. [2020-07-07 10:53:20,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 10:53:20,761 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 532 transitions. [2020-07-07 10:53:20,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-07 10:53:20,763 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:20,763 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:53:20,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 10:53:20,763 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:20,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:20,764 INFO L82 PathProgramCache]: Analyzing trace with hash -803017404, now seen corresponding path program 1 times [2020-07-07 10:53:20,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:20,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729420795] [2020-07-07 10:53:20,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:20,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,075 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-07 10:53:21,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729420795] [2020-07-07 10:53:21,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 10:53:21,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-07 10:53:21,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167896212] [2020-07-07 10:53:21,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 10:53:21,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:21,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 10:53:21,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-07 10:53:21,246 INFO L87 Difference]: Start difference. First operand 460 states and 532 transitions. Second operand 12 states. [2020-07-07 10:53:22,102 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:22,755 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:23,855 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:24,146 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:24,408 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:24,679 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:24,952 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:26,384 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:26,740 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:27,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:27,658 INFO L93 Difference]: Finished difference Result 1281 states and 1569 transitions. [2020-07-07 10:53:27,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-07 10:53:27,659 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-07-07 10:53:27,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:27,665 INFO L225 Difference]: With dead ends: 1281 [2020-07-07 10:53:27,665 INFO L226 Difference]: Without dead ends: 928 [2020-07-07 10:53:27,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-07 10:53:27,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-07-07 10:53:27,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 803. [2020-07-07 10:53:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2020-07-07 10:53:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 919 transitions. [2020-07-07 10:53:27,824 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 919 transitions. Word has length 117 [2020-07-07 10:53:27,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:27,825 INFO L479 AbstractCegarLoop]: Abstraction has 803 states and 919 transitions. [2020-07-07 10:53:27,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 10:53:27,825 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 919 transitions. [2020-07-07 10:53:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-07 10:53:27,829 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:27,829 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2020-07-07 10:53:27,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 10:53:27,830 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:27,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:27,832 INFO L82 PathProgramCache]: Analyzing trace with hash -394036424, now seen corresponding path program 1 times [2020-07-07 10:53:27,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:27,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580755237] [2020-07-07 10:53:27,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,184 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-07 10:53:28,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580755237] [2020-07-07 10:53:28,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877961349] [2020-07-07 10:53:28,593 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 10:53:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:28,883 INFO L264 TraceCheckSpWp]: Trace formula consists of 1026 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-07 10:53:28,905 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 10:53:29,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:29,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-07 10:53:29,157 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616628922] [2020-07-07 10:53:29,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 10:53:29,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:29,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 10:53:29,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2020-07-07 10:53:29,162 INFO L87 Difference]: Start difference. First operand 803 states and 919 transitions. Second operand 20 states. [2020-07-07 10:53:29,841 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:30,187 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:30,455 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:30,710 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:31,365 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:31,634 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:32,017 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 10:53:32,894 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:33,516 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:34,447 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 10:53:34,728 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:35,038 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:53:35,663 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:53:36,129 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:36,814 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:37,355 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 10:53:37,878 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:38,462 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:39,171 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:53:39,460 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:39,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:53:39,707 INFO L93 Difference]: Finished difference Result 1766 states and 2082 transitions. [2020-07-07 10:53:39,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-07-07 10:53:39,707 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 195 [2020-07-07 10:53:39,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:53:39,716 INFO L225 Difference]: With dead ends: 1766 [2020-07-07 10:53:39,716 INFO L226 Difference]: Without dead ends: 1066 [2020-07-07 10:53:39,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=765, Invalid=3141, Unknown=0, NotChecked=0, Total=3906 [2020-07-07 10:53:39,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2020-07-07 10:53:39,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 953. [2020-07-07 10:53:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 953 states. [2020-07-07 10:53:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1098 transitions. [2020-07-07 10:53:39,890 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1098 transitions. Word has length 195 [2020-07-07 10:53:39,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:53:39,891 INFO L479 AbstractCegarLoop]: Abstraction has 953 states and 1098 transitions. [2020-07-07 10:53:39,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 10:53:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1098 transitions. [2020-07-07 10:53:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-07-07 10:53:39,898 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:53:39,898 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-07 10:53:40,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-07 10:53:40,114 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:53:40,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:53:40,115 INFO L82 PathProgramCache]: Analyzing trace with hash -604725475, now seen corresponding path program 1 times [2020-07-07 10:53:40,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:53:40,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125594141] [2020-07-07 10:53:40,116 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:53:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,437 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:53:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 79 proven. 7 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2020-07-07 10:53:41,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125594141] [2020-07-07 10:53:41,014 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221647934] [2020-07-07 10:53:41,014 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 10:53:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:53:41,383 INFO L264 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-07 10:53:41,395 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:53:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 239 proven. 4 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-07-07 10:53:41,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:53:41,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2020-07-07 10:53:41,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390062729] [2020-07-07 10:53:41,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 10:53:41,868 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:53:41,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 10:53:41,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:53:41,870 INFO L87 Difference]: Start difference. First operand 953 states and 1098 transitions. Second operand 24 states. [2020-07-07 10:53:42,920 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:43,856 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:53:44,216 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:44,734 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:45,745 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:53:46,192 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:47,179 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:47,633 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:48,027 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:48,316 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:48,622 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:49,034 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:49,341 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:49,661 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:53:50,014 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 10:53:50,303 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:50,595 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:51,013 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:51,357 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:51,676 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:51,969 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:52,259 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:52,701 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:53,091 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:55,787 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:56,117 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:56,401 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 10:53:56,679 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:57,223 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 10:53:57,507 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:53:58,039 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 10:53:58,325 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 10:54:04,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:04,656 INFO L93 Difference]: Finished difference Result 3578 states and 4840 transitions. [2020-07-07 10:54:04,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2020-07-07 10:54:04,657 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 331 [2020-07-07 10:54:04,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:04,672 INFO L225 Difference]: With dead ends: 3578 [2020-07-07 10:54:04,672 INFO L226 Difference]: Without dead ends: 2661 [2020-07-07 10:54:04,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 452 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3903 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=1733, Invalid=9609, Unknown=0, NotChecked=0, Total=11342 [2020-07-07 10:54:04,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2020-07-07 10:54:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 1885. [2020-07-07 10:54:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1885 states. [2020-07-07 10:54:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 2118 transitions. [2020-07-07 10:54:05,109 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 2118 transitions. Word has length 331 [2020-07-07 10:54:05,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:05,112 INFO L479 AbstractCegarLoop]: Abstraction has 1885 states and 2118 transitions. [2020-07-07 10:54:05,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 10:54:05,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2118 transitions. [2020-07-07 10:54:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-07-07 10:54:05,123 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:54:05,123 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-07 10:54:05,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:54:05,337 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:54:05,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:54:05,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1029682449, now seen corresponding path program 1 times [2020-07-07 10:54:05,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:54:05,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002920026] [2020-07-07 10:54:05,338 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:54:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,667 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 64 proven. 40 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-07-07 10:54:06,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002920026] [2020-07-07 10:54:06,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000448185] [2020-07-07 10:54:06,351 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 10:54:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:06,581 INFO L264 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:54:06,589 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:54:06,794 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-07-07 10:54:06,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:54:06,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-07-07 10:54:06,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938275509] [2020-07-07 10:54:06,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:54:06,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:54:06,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:54:06,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:54:06,796 INFO L87 Difference]: Start difference. First operand 1885 states and 2118 transitions. Second operand 8 states. [2020-07-07 10:54:07,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:07,609 INFO L93 Difference]: Finished difference Result 3464 states and 3912 transitions. [2020-07-07 10:54:07,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:54:07,609 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 351 [2020-07-07 10:54:07,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:07,620 INFO L225 Difference]: With dead ends: 3464 [2020-07-07 10:54:07,620 INFO L226 Difference]: Without dead ends: 1793 [2020-07-07 10:54:07,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 462 SyntacticMatches, 5 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2020-07-07 10:54:07,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2020-07-07 10:54:08,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1756. [2020-07-07 10:54:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1756 states. [2020-07-07 10:54:08,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 1964 transitions. [2020-07-07 10:54:08,044 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 1964 transitions. Word has length 351 [2020-07-07 10:54:08,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:08,044 INFO L479 AbstractCegarLoop]: Abstraction has 1756 states and 1964 transitions. [2020-07-07 10:54:08,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:54:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 1964 transitions. [2020-07-07 10:54:08,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-07-07 10:54:08,058 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:54:08,058 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-07 10:54:08,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-07 10:54:08,273 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:54:08,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:54:08,274 INFO L82 PathProgramCache]: Analyzing trace with hash 606835575, now seen corresponding path program 1 times [2020-07-07 10:54:08,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:54:08,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991033220] [2020-07-07 10:54:08,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:54:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,625 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,035 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 96 proven. 28 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-07-07 10:54:09,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991033220] [2020-07-07 10:54:09,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962405274] [2020-07-07 10:54:09,038 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 10:54:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:09,286 INFO L264 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-07 10:54:09,293 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:54:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-07-07 10:54:09,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 10:54:09,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-07 10:54:09,509 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106772543] [2020-07-07 10:54:09,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 10:54:09,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:54:09,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 10:54:09,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:54:09,511 INFO L87 Difference]: Start difference. First operand 1756 states and 1964 transitions. Second operand 8 states. [2020-07-07 10:54:10,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:10,113 INFO L93 Difference]: Finished difference Result 3161 states and 3555 transitions. [2020-07-07 10:54:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 10:54:10,114 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 355 [2020-07-07 10:54:10,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:10,123 INFO L225 Difference]: With dead ends: 3161 [2020-07-07 10:54:10,123 INFO L226 Difference]: Without dead ends: 1619 [2020-07-07 10:54:10,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 473 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:54:10,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2020-07-07 10:54:10,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1619. [2020-07-07 10:54:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2020-07-07 10:54:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 1809 transitions. [2020-07-07 10:54:10,463 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 1809 transitions. Word has length 355 [2020-07-07 10:54:10,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:10,464 INFO L479 AbstractCegarLoop]: Abstraction has 1619 states and 1809 transitions. [2020-07-07 10:54:10,464 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 10:54:10,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 1809 transitions. [2020-07-07 10:54:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2020-07-07 10:54:10,470 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:54:10,470 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-07 10:54:10,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:54:10,684 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:54:10,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:54:10,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1043691767, now seen corresponding path program 2 times [2020-07-07 10:54:10,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:54:10,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454998571] [2020-07-07 10:54:10,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:54:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,087 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 94 proven. 48 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2020-07-07 10:54:11,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454998571] [2020-07-07 10:54:11,549 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187014542] [2020-07-07 10:54:11,549 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 10:54:11,843 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-07-07 10:54:11,843 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-07 10:54:11,847 INFO L264 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-07 10:54:11,866 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:54:12,081 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 280 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-07-07 10:54:12,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:54:12,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 9] total 23 [2020-07-07 10:54:12,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073773179] [2020-07-07 10:54:12,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 10:54:12,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:54:12,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 10:54:12,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2020-07-07 10:54:12,083 INFO L87 Difference]: Start difference. First operand 1619 states and 1809 transitions. Second operand 23 states. [2020-07-07 10:54:13,127 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:54:13,742 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:54:14,253 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:54:14,804 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 10:54:15,911 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:54:17,415 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:54:17,918 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 10:54:18,586 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:19,608 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:21,006 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:21,280 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 10:54:22,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:22,750 INFO L93 Difference]: Finished difference Result 3337 states and 3948 transitions. [2020-07-07 10:54:22,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-07 10:54:22,751 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 355 [2020-07-07 10:54:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:22,763 INFO L225 Difference]: With dead ends: 3337 [2020-07-07 10:54:22,764 INFO L226 Difference]: Without dead ends: 1932 [2020-07-07 10:54:22,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 494 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 679 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=551, Invalid=2419, Unknown=0, NotChecked=0, Total=2970 [2020-07-07 10:54:22,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1932 states. [2020-07-07 10:54:23,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1932 to 1619. [2020-07-07 10:54:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2020-07-07 10:54:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 1806 transitions. [2020-07-07 10:54:23,187 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 1806 transitions. Word has length 355 [2020-07-07 10:54:23,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:23,187 INFO L479 AbstractCegarLoop]: Abstraction has 1619 states and 1806 transitions. [2020-07-07 10:54:23,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 10:54:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 1806 transitions. [2020-07-07 10:54:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-07-07 10:54:23,193 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:54:23,194 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-07 10:54:23,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-07-07 10:54:23,408 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:54:23,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:54:23,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1328728622, now seen corresponding path program 1 times [2020-07-07 10:54:23,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:54:23,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295594263] [2020-07-07 10:54:23,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:54:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,717 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 94 proven. 47 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-07-07 10:54:24,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295594263] [2020-07-07 10:54:24,290 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [611640963] [2020-07-07 10:54:24,290 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 10:54:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:24,538 INFO L264 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 28 conjunts are in the unsatisfiable core [2020-07-07 10:54:24,548 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:54:24,682 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 206 proven. 16 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-07-07 10:54:24,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:54:24,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 19 [2020-07-07 10:54:24,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565148075] [2020-07-07 10:54:24,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 10:54:24,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:54:24,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 10:54:24,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-07-07 10:54:24,684 INFO L87 Difference]: Start difference. First operand 1619 states and 1806 transitions. Second operand 19 states. [2020-07-07 10:54:25,233 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:26,055 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:26,941 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:27,723 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:28,271 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:54:28,797 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 10:54:29,065 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:31,705 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:32,379 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:32,929 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 10:54:33,474 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 10:54:36,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:54:36,996 INFO L93 Difference]: Finished difference Result 4030 states and 5197 transitions. [2020-07-07 10:54:36,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-07-07 10:54:36,997 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 356 [2020-07-07 10:54:36,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:54:37,015 INFO L225 Difference]: With dead ends: 4030 [2020-07-07 10:54:37,016 INFO L226 Difference]: Without dead ends: 3248 [2020-07-07 10:54:37,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 599 GetRequests, 519 SyntacticMatches, 4 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1994 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1284, Invalid=4722, Unknown=0, NotChecked=0, Total=6006 [2020-07-07 10:54:37,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2020-07-07 10:54:37,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 2114. [2020-07-07 10:54:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2114 states. [2020-07-07 10:54:37,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2363 transitions. [2020-07-07 10:54:37,393 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2363 transitions. Word has length 356 [2020-07-07 10:54:37,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:54:37,394 INFO L479 AbstractCegarLoop]: Abstraction has 2114 states and 2363 transitions. [2020-07-07 10:54:37,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 10:54:37,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2363 transitions. [2020-07-07 10:54:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2020-07-07 10:54:37,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 10:54:37,402 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 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] [2020-07-07 10:54:37,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:54:37,615 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 10:54:37,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 10:54:37,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1364801906, now seen corresponding path program 1 times [2020-07-07 10:54:37,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 10:54:37,615 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504628990] [2020-07-07 10:54:37,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 10:54:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:37,985 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:54:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 121 proven. 73 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2020-07-07 10:54:38,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504628990] [2020-07-07 10:54:38,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322676028] [2020-07-07 10:54:38,712 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 10:54:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 10:54:39,099 INFO L264 TraceCheckSpWp]: Trace formula consists of 1604 conjuncts, 42 conjunts are in the unsatisfiable core [2020-07-07 10:54:39,124 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 10:54:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 261 proven. 51 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2020-07-07 10:54:39,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 10:54:39,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12] total 27 [2020-07-07 10:54:39,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531331330] [2020-07-07 10:54:39,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-07-07 10:54:39,540 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 10:54:39,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-07-07 10:54:39,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2020-07-07 10:54:39,541 INFO L87 Difference]: Start difference. First operand 2114 states and 2363 transitions. Second operand 27 states. [2020-07-07 10:54:40,383 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 10:54:41,337 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 10:54:42,392 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 10:54:43,473 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 10:54:43,857 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:44,212 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 10:54:46,686 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-07 10:54:47,344 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:54:47,941 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-07 10:54:48,436 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:54:51,139 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 10:54:53,455 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 10:54:54,418 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 198 [2020-07-07 10:54:55,012 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:54:55,609 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 10:55:03,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 10:55:03,642 INFO L93 Difference]: Finished difference Result 7842 states and 10336 transitions. [2020-07-07 10:55:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2020-07-07 10:55:03,643 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 430 [2020-07-07 10:55:03,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 10:55:03,645 INFO L225 Difference]: With dead ends: 7842 [2020-07-07 10:55:03,645 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 10:55:03,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 628 SyntacticMatches, 7 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5059 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=2734, Invalid=11308, Unknown=0, NotChecked=0, Total=14042 [2020-07-07 10:55:03,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 10:55:03,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 10:55:03,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 10:55:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 10:55:03,670 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2020-07-07 10:55:03,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 10:55:03,670 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 10:55:03,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-07-07 10:55:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 10:55:03,671 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 10:55:03,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-07-07 10:55:03,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 10:55:04,102 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-07-07 10:55:04,361 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-07-07 10:55:04,712 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-07-07 10:55:05,145 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-07-07 10:55:05,468 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-07-07 10:55:05,726 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-07-07 10:55:05,911 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-07-07 10:55:06,080 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-07-07 10:55:06,704 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 223 [2020-07-07 10:55:06,815 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-07-07 10:55:10,809 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-07-07 10:55:11,839 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:13,948 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-07-07 10:55:14,909 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:15,595 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-07-07 10:55:16,772 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:17,243 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:18,954 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:21,754 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 579 DAG size of output: 487 [2020-07-07 10:55:25,054 WARN L193 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 653 DAG size of output: 540 [2020-07-07 10:55:25,829 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:28,265 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-07-07 10:55:28,624 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:30,403 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:30,824 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 231 [2020-07-07 10:55:32,532 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:35,432 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:38,817 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:42,995 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:43,099 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:51,113 WARN L193 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 902 DAG size of output: 747 [2020-07-07 10:55:55,242 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-07-07 10:55:55,736 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-07-07 10:55:57,872 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-07-07 10:55:58,107 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-07-07 10:55:59,329 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-07-07 10:56:05,621 WARN L193 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 800 DAG size of output: 630 [2020-07-07 10:56:17,675 WARN L193 SmtUtils]: Spent 6.43 s on a formula simplification. DAG size of input: 892 DAG size of output: 736 [2020-07-07 10:56:21,656 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 259 DAG size of output: 37 [2020-07-07 10:56:22,273 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 10:56:22,672 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-07-07 10:56:24,284 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 232 DAG size of output: 36 [2020-07-07 10:56:24,702 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 10:56:24,919 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 1 [2020-07-07 10:56:25,311 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-07-07 10:56:26,320 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 34 [2020-07-07 10:56:26,555 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:56:27,531 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 34 [2020-07-07 10:56:27,780 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-07-07 10:56:27,995 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-07 10:56:28,965 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 35 [2020-07-07 10:56:29,186 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-07-07 10:56:31,854 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 376 DAG size of output: 42 [2020-07-07 10:56:32,077 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 10:56:35,286 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 402 DAG size of output: 42 [2020-07-07 10:56:35,507 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 31 [2020-07-07 10:56:39,752 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 457 DAG size of output: 41 [2020-07-07 10:56:42,636 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 388 DAG size of output: 49 [2020-07-07 10:56:42,884 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-07-07 10:56:44,228 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 239 DAG size of output: 33 [2020-07-07 10:56:45,289 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 385 DAG size of output: 1 [2020-07-07 10:56:47,319 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 332 DAG size of output: 36 [2020-07-07 10:56:55,534 WARN L193 SmtUtils]: Spent 8.21 s on a formula simplification. DAG size of input: 660 DAG size of output: 47 [2020-07-07 10:56:56,155 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 24 [2020-07-07 10:56:56,381 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 10:56:57,806 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 223 DAG size of output: 34 [2020-07-07 10:57:00,448 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 376 DAG size of output: 41 [2020-07-07 10:57:02,006 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 231 DAG size of output: 36 [2020-07-07 10:57:02,238 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:57:04,288 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 221 DAG size of output: 75 [2020-07-07 10:57:05,756 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 247 DAG size of output: 31 [2020-07-07 10:57:07,166 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 247 DAG size of output: 31 [2020-07-07 10:57:14,241 WARN L193 SmtUtils]: Spent 7.07 s on a formula simplification. DAG size of input: 575 DAG size of output: 40 [2020-07-07 10:57:15,295 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 260 DAG size of output: 27 [2020-07-07 10:57:16,750 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 245 DAG size of output: 34 [2020-07-07 10:57:16,956 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 10:57:17,163 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 10:57:17,367 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 10:57:18,753 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 239 DAG size of output: 33 [2020-07-07 10:57:19,659 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 33 [2020-07-07 10:57:21,247 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 227 DAG size of output: 41 [2020-07-07 10:57:21,430 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-07 10:57:22,355 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 33 [2020-07-07 10:57:22,548 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2020-07-07 10:57:22,915 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2020-07-07 10:57:23,119 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 10:57:24,008 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 30 [2020-07-07 10:57:24,246 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-07-07 10:57:31,968 WARN L193 SmtUtils]: Spent 7.72 s on a formula simplification. DAG size of input: 651 DAG size of output: 47 [2020-07-07 10:57:32,182 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 1 [2020-07-07 10:57:33,226 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 221 DAG size of output: 46 [2020-07-07 10:57:34,086 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 30 [2020-07-07 10:57:35,811 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 220 DAG size of output: 63 [2020-07-07 10:57:36,044 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 24 [2020-07-07 10:57:36,240 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 10:57:36,452 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 10:57:37,739 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 176 DAG size of output: 29 [2020-07-07 10:57:37,957 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2020-07-07 10:57:37,963 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-07-07 10:57:37,963 INFO L268 CegarLoopResult]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2020-07-07 10:57:37,963 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-07 10:57:37,964 INFO L268 CegarLoopResult]: For program point L502-2(lines 502 523) no Hoare annotation was computed. [2020-07-07 10:57:37,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 477 532) no Hoare annotation was computed. [2020-07-07 10:57:37,964 INFO L268 CegarLoopResult]: For program point L524(lines 501 525) no Hoare annotation was computed. [2020-07-07 10:57:37,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 477 532) no Hoare annotation was computed. [2020-07-07 10:57:37,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 477 532) no Hoare annotation was computed. [2020-07-07 10:57:37,964 INFO L268 CegarLoopResult]: For program point L578-1(line 578) no Hoare annotation was computed. [2020-07-07 10:57:37,964 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 533 592) no Hoare annotation was computed. [2020-07-07 10:57:37,964 INFO L268 CegarLoopResult]: For program point L565(lines 565 569) no Hoare annotation was computed. [2020-07-07 10:57:37,965 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2020-07-07 10:57:37,965 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-07 10:57:37,965 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 533 592) no Hoare annotation was computed. [2020-07-07 10:57:37,965 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 584) no Hoare annotation was computed. [2020-07-07 10:57:37,965 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 533 592) no Hoare annotation was computed. [2020-07-07 10:57:37,965 INFO L268 CegarLoopResult]: For program point L585(lines 558 586) no Hoare annotation was computed. [2020-07-07 10:57:37,966 INFO L268 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-07-07 10:57:37,966 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 1021 1027) the Hoare annotation is: true [2020-07-07 10:57:37,966 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 1021 1027) no Hoare annotation was computed. [2020-07-07 10:57:37,966 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1028 1036) no Hoare annotation was computed. [2020-07-07 10:57:37,966 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1028 1036) the Hoare annotation is: true [2020-07-07 10:57:37,967 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1028 1036) no Hoare annotation was computed. [2020-07-07 10:57:37,967 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 307 314) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (not (= 0 ~methaneLevelCritical~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:57:37,967 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 307 314) no Hoare annotation was computed. [2020-07-07 10:57:37,967 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 307 314) no Hoare annotation was computed. [2020-07-07 10:57:37,967 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-07-07 10:57:37,967 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 315 324) the Hoare annotation is: (let ((.cse0 (not (= 2 ~waterLevel~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse7 .cse5 .cse2 .cse8 .cse4) (or .cse7 .cse0 .cse2 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse8 .cse4))) [2020-07-07 10:57:37,968 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 315 324) no Hoare annotation was computed. [2020-07-07 10:57:37,968 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 315 324) no Hoare annotation was computed. [2020-07-07 10:57:37,968 INFO L264 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse2) (or .cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse4 .cse2) (or .cse0 .cse3 (not (<= 2 ~waterLevel~0)) .cse4 .cse2))) [2020-07-07 10:57:37,968 INFO L268 CegarLoopResult]: For program point L338(lines 338 344) no Hoare annotation was computed. [2020-07-07 10:57:37,968 INFO L268 CegarLoopResult]: For program point L337(lines 337 347) no Hoare annotation was computed. [2020-07-07 10:57:37,968 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 325 353) the Hoare annotation is: true [2020-07-07 10:57:37,969 INFO L264 CegarLoopResult]: At program point L335(line 335) the Hoare annotation is: (let ((.cse10 (not (= 1 ~waterLevel~0))) (.cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (<= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse9 (not (<= ~waterLevel~0 0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse4) (or .cse0 .cse5 .cse10 .cse3 .cse4) (or .cse5 .cse10 .cse6 .cse7 .cse8 .cse4) (or .cse5 .cse6 (not (<= ~waterLevel~0 1)) .cse3 .cse4) (or .cse1 .cse6 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse9 .cse4) (or .cse1 .cse6 .cse2 .cse8 .cse4))) [2020-07-07 10:57:37,969 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-07-07 10:57:37,969 INFO L268 CegarLoopResult]: For program point L333(lines 333 350) no Hoare annotation was computed. [2020-07-07 10:57:37,969 INFO L268 CegarLoopResult]: For program point L333-1(lines 325 353) no Hoare annotation was computed. [2020-07-07 10:57:37,969 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 325 353) no Hoare annotation was computed. [2020-07-07 10:57:37,969 INFO L271 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: true [2020-07-07 10:57:37,970 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-07-07 10:57:37,970 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:57:37,970 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2020-07-07 10:57:37,970 INFO L264 CegarLoopResult]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 main_~tmp~11) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:57:37,970 INFO L264 CegarLoopResult]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 main_~tmp~11) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:57:37,970 INFO L268 CegarLoopResult]: For program point L980(lines 980 987) no Hoare annotation was computed. [2020-07-07 10:57:37,970 INFO L268 CegarLoopResult]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2020-07-07 10:57:37,971 INFO L268 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-07-07 10:57:37,971 INFO L264 CegarLoopResult]: At program point L977(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:57:37,971 INFO L264 CegarLoopResult]: At program point L976(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:57:37,971 INFO L264 CegarLoopResult]: At program point L976-1(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:57:37,971 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2020-07-07 10:57:37,971 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 925 948) no Hoare annotation was computed. [2020-07-07 10:57:37,971 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 925 948) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 925 948) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-07-07 10:57:37,972 INFO L268 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-07-07 10:57:37,973 INFO L268 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-07-07 10:57:37,973 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-07 10:57:37,973 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-07-07 10:57:37,973 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-07 10:57:37,973 INFO L268 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2020-07-07 10:57:37,973 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:57:37,973 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-07 10:57:37,974 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-07 10:57:37,974 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-07 10:57:37,974 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-07 10:57:37,974 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 117 141) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-07 10:57:37,974 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-07 10:57:37,974 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-07 10:57:37,974 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-07 10:57:37,975 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 0)) .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:57:37,975 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2020-07-07 10:57:37,975 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2020-07-07 10:57:37,975 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2020-07-07 10:57:37,975 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-07-07 10:57:37,975 INFO L271 CegarLoopResult]: At program point L283(line 283) the Hoare annotation is: true [2020-07-07 10:57:37,975 INFO L268 CegarLoopResult]: For program point L285-2(lines 285 289) no Hoare annotation was computed. [2020-07-07 10:57:37,975 INFO L268 CegarLoopResult]: For program point L283-1(line 283) no Hoare annotation was computed. [2020-07-07 10:57:37,976 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 276 294) the Hoare annotation is: true [2020-07-07 10:57:37,976 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 276 294) no Hoare annotation was computed. [2020-07-07 10:57:37,976 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 276 294) no Hoare annotation was computed. [2020-07-07 10:57:37,976 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-07-07 10:57:37,976 INFO L268 CegarLoopResult]: For program point L251-1(line 251) no Hoare annotation was computed. [2020-07-07 10:57:37,976 INFO L268 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-07-07 10:57:37,976 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 221 256) no Hoare annotation was computed. [2020-07-07 10:57:37,976 INFO L268 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-07-07 10:57:37,977 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 221 256) no Hoare annotation was computed. [2020-07-07 10:57:37,977 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-07-07 10:57:37,977 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 221 256) no Hoare annotation was computed. [2020-07-07 10:57:37,977 INFO L268 CegarLoopResult]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2020-07-07 10:57:37,977 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 1014 1020) no Hoare annotation was computed. [2020-07-07 10:57:37,977 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 1014 1020) the Hoare annotation is: true [2020-07-07 10:57:37,977 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 431 476) no Hoare annotation was computed. [2020-07-07 10:57:37,977 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 431 476) no Hoare annotation was computed. [2020-07-07 10:57:37,977 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 431 476) no Hoare annotation was computed. [2020-07-07 10:57:37,978 INFO L268 CegarLoopResult]: For program point L764(lines 764 771) no Hoare annotation was computed. [2020-07-07 10:57:37,978 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 744 789) no Hoare annotation was computed. [2020-07-07 10:57:37,978 INFO L268 CegarLoopResult]: For program point L758(lines 758 778) no Hoare annotation was computed. [2020-07-07 10:57:37,978 INFO L268 CegarLoopResult]: For program point L758-1(lines 758 778) no Hoare annotation was computed. [2020-07-07 10:57:37,978 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 744 789) no Hoare annotation was computed. [2020-07-07 10:57:37,978 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 744 789) no Hoare annotation was computed. [2020-07-07 10:57:37,978 INFO L264 CegarLoopResult]: At program point L961(line 961) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:57:37,978 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 956 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-07 10:57:37,979 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 956 966) no Hoare annotation was computed. [2020-07-07 10:57:37,979 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 956 966) no Hoare annotation was computed. [2020-07-07 10:57:37,979 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 201 211) the Hoare annotation is: true [2020-07-07 10:57:37,979 INFO L271 CegarLoopResult]: At program point L206(line 206) the Hoare annotation is: true [2020-07-07 10:57:37,979 INFO L268 CegarLoopResult]: For program point L206-1(line 206) no Hoare annotation was computed. [2020-07-07 10:57:37,979 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2020-07-07 10:57:37,979 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 201 211) no Hoare annotation was computed. [2020-07-07 10:57:37,979 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse4 .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse3) (or .cse4 (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:57:37,979 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2020-07-07 10:57:37,979 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2020-07-07 10:57:37,980 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-07-07 10:57:37,980 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2020-07-07 10:57:37,980 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2020-07-07 10:57:37,980 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2020-07-07 10:57:37,980 INFO L268 CegarLoopResult]: For program point L162-1(lines 143 167) no Hoare annotation was computed. [2020-07-07 10:57:37,980 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse2 .cse4))) [2020-07-07 10:57:37,980 INFO L264 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: (let ((.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))))) [2020-07-07 10:57:37,981 INFO L268 CegarLoopResult]: For program point L151(lines 151 159) no Hoare annotation was computed. [2020-07-07 10:57:37,981 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 143 167) no Hoare annotation was computed. [2020-07-07 10:57:37,981 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or .cse5 .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse4) (or .cse5 (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse3 .cse4))) [2020-07-07 10:57:37,981 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-07 10:57:37,981 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 143 167) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 1)) .cse4) (or .cse5 .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 0)) .cse4) (or .cse5 (not (= 1 ~waterLevel~0)) .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse3 .cse8 .cse4))) [2020-07-07 10:57:37,981 INFO L268 CegarLoopResult]: For program point L147(lines 147 164) no Hoare annotation was computed. [2020-07-07 10:57:37,982 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4))) [2020-07-07 10:57:37,982 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-07 10:57:37,982 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-07 10:57:37,982 INFO L264 CegarLoopResult]: At program point testENTRY(lines 358 423) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:57:37,982 INFO L264 CegarLoopResult]: At program point L413(lines 368 415) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse2) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2 .cse3) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse4 .cse5 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:57:37,983 INFO L264 CegarLoopResult]: At program point L380(line 380) the Hoare annotation is: (let ((.cse6 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse4) (and .cse1 (<= 1 ~methaneLevelCritical~0) (<= ~waterLevel~0 2) .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 .cse1 .cse5 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:57:37,983 INFO L268 CegarLoopResult]: For program point L378(lines 378 384) no Hoare annotation was computed. [2020-07-07 10:57:37,983 INFO L268 CegarLoopResult]: For program point L378-1(lines 378 384) no Hoare annotation was computed. [2020-07-07 10:57:37,983 INFO L268 CegarLoopResult]: For program point testFINAL(lines 358 423) no Hoare annotation was computed. [2020-07-07 10:57:37,983 INFO L268 CegarLoopResult]: For program point L370(lines 370 374) no Hoare annotation was computed. [2020-07-07 10:57:37,983 INFO L264 CegarLoopResult]: At program point L416(lines 367 417) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-07 10:57:37,983 INFO L268 CegarLoopResult]: For program point L406(lines 406 410) no Hoare annotation was computed. [2020-07-07 10:57:37,983 INFO L264 CegarLoopResult]: At program point L406-2(lines 398 411) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse7 .cse1 .cse6 (<= ~waterLevel~0 1) .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 .cse1 .cse2 .cse4 .cse5) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse6 .cse2 .cse4 .cse5) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:57:37,984 INFO L268 CegarLoopResult]: For program point L369(lines 368 415) no Hoare annotation was computed. [2020-07-07 10:57:37,984 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse7 .cse1 .cse6 (<= ~waterLevel~0 1) .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse0 .cse1 .cse2 .cse4 .cse5) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse1 .cse6 .cse2 .cse4 .cse5) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:57:37,984 INFO L268 CegarLoopResult]: For program point L398(lines 398 411) no Hoare annotation was computed. [2020-07-07 10:57:37,984 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse4 .cse5) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse4 .cse5) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-07 10:57:37,984 INFO L268 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-07-07 10:57:37,984 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2020-07-07 10:57:37,984 INFO L268 CegarLoopResult]: For program point testEXIT(lines 358 423) no Hoare annotation was computed. [2020-07-07 10:57:37,984 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 698 743) no Hoare annotation was computed. [2020-07-07 10:57:37,984 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 698 743) no Hoare annotation was computed. [2020-07-07 10:57:37,985 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 698 743) no Hoare annotation was computed. [2020-07-07 10:57:37,985 INFO L268 CegarLoopResult]: For program point L718(lines 718 725) no Hoare annotation was computed. [2020-07-07 10:57:37,985 INFO L268 CegarLoopResult]: For program point L712(lines 712 732) no Hoare annotation was computed. [2020-07-07 10:57:37,985 INFO L268 CegarLoopResult]: For program point L712-1(lines 712 732) no Hoare annotation was computed. [2020-07-07 10:57:37,985 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 168 175) the Hoare annotation is: (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-07 10:57:37,985 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 168 175) no Hoare annotation was computed. [2020-07-07 10:57:37,985 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 168 175) no Hoare annotation was computed. [2020-07-07 10:57:37,985 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 884 892) no Hoare annotation was computed. [2020-07-07 10:57:37,985 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 884 892) the Hoare annotation is: true [2020-07-07 10:57:37,986 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 884 892) no Hoare annotation was computed. [2020-07-07 10:57:37,986 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-07-07 10:57:37,986 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-07-07 10:57:37,986 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-07-07 10:57:37,986 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-07-07 10:57:37,986 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-07-07 10:57:37,986 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 595 697) no Hoare annotation was computed. [2020-07-07 10:57:37,986 INFO L268 CegarLoopResult]: For program point L665(lines 643 666) no Hoare annotation was computed. [2020-07-07 10:57:37,986 INFO L268 CegarLoopResult]: For program point L624(lines 624 640) no Hoare annotation was computed. [2020-07-07 10:57:37,987 INFO L268 CegarLoopResult]: For program point L684(lines 684 691) no Hoare annotation was computed. [2020-07-07 10:57:37,987 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 595 697) no Hoare annotation was computed. [2020-07-07 10:57:37,987 INFO L268 CegarLoopResult]: For program point L645(lines 644 664) no Hoare annotation was computed. [2020-07-07 10:57:37,987 INFO L268 CegarLoopResult]: For program point L676(line 676) no Hoare annotation was computed. [2020-07-07 10:57:37,987 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-07-07 10:57:37,987 INFO L268 CegarLoopResult]: For program point L641(lines 641 682) no Hoare annotation was computed. [2020-07-07 10:57:37,987 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-07-07 10:57:37,987 INFO L268 CegarLoopResult]: For program point L660-1(line 660) no Hoare annotation was computed. [2020-07-07 10:57:37,988 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 595 697) no Hoare annotation was computed. [2020-07-07 10:57:37,988 INFO L268 CegarLoopResult]: For program point L619(lines 619 623) no Hoare annotation was computed. [2020-07-07 10:57:37,988 INFO L268 CegarLoopResult]: For program point L683(lines 683 694) no Hoare annotation was computed. [2020-07-07 10:57:37,988 INFO L268 CegarLoopResult]: For program point L646(lines 646 650) no Hoare annotation was computed. [2020-07-07 10:57:37,988 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 664) no Hoare annotation was computed. [2020-07-07 10:57:37,988 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 1004 1013) no Hoare annotation was computed. [2020-07-07 10:57:37,988 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 1004 1013) no Hoare annotation was computed. [2020-07-07 10:57:37,988 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 1004 1013) no Hoare annotation was computed. [2020-07-07 10:57:37,988 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:57:37,989 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= ~head~0.base |old(~head~0.base)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|)) [2020-07-07 10:57:37,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:57:37,992 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 176 192) no Hoare annotation was computed. [2020-07-07 10:57:37,992 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3))) [2020-07-07 10:57:37,992 INFO L268 CegarLoopResult]: For program point L187-1(lines 176 192) no Hoare annotation was computed. [2020-07-07 10:57:37,992 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 176 192) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:57:37,992 INFO L268 CegarLoopResult]: For program point L183(lines 183 189) no Hoare annotation was computed. [2020-07-07 10:57:37,993 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:57:37,993 INFO L268 CegarLoopResult]: For program point L181-1(line 181) no Hoare annotation was computed. [2020-07-07 10:57:37,993 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2020-07-07 10:57:37,993 INFO L268 CegarLoopResult]: For program point L266(lines 266 270) no Hoare annotation was computed. [2020-07-07 10:57:37,993 INFO L271 CegarLoopResult]: At program point L264(line 264) the Hoare annotation is: true [2020-07-07 10:57:37,993 INFO L268 CegarLoopResult]: For program point L266-2(lines 266 270) no Hoare annotation was computed. [2020-07-07 10:57:37,993 INFO L268 CegarLoopResult]: For program point L264-1(line 264) no Hoare annotation was computed. [2020-07-07 10:57:37,993 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2020-07-07 10:57:37,993 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 257 275) no Hoare annotation was computed. [2020-07-07 10:57:37,994 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-07-07 10:57:37,994 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-07-07 10:57:37,994 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-07-07 10:57:37,994 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse4) (or (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse5 .cse4))) [2020-07-07 10:57:37,994 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-07-07 10:57:37,994 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-07-07 10:57:37,994 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:57:37,994 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-07 10:57:37,994 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:57:37,995 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-07-07 10:57:37,995 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-07-07 10:57:37,995 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-07-07 10:57:37,995 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse4) (or .cse7 .cse5 .cse6 .cse4) (or .cse8 .cse0 .cse2 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse3 .cse4) (or .cse8 .cse7 .cse0 .cse6 .cse3 .cse4))) [2020-07-07 10:57:37,995 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-07 10:57:37,997 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-07 10:57:37,997 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse10 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 2 |old(~waterLevel~0)|))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10 .cse11)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and (= 0 ~pumpRunning~0) .cse10 .cse11)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse6 .cse4) (or .cse5 .cse1 .cse3 .cse7 .cse6 .cse4) (or .cse1 .cse2 .cse3 .cse7 .cse4) (or .cse0 .cse8 .cse9 .cse6 .cse4) (or .cse8 .cse9 .cse7 .cse6 .cse4)))) [2020-07-07 10:57:37,997 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-07 10:57:37,998 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse13 (+ ~waterLevel~0 1)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse7 (not (= 2 |old(~waterLevel~0)|))) (.cse8 (and .cse11 .cse12 (= 1 ~waterLevel~0))) (.cse0 (and (= 0 ~pumpRunning~0) .cse15)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse10 (and .cse11 .cse12 (<= ~waterLevel~0 0) .cse15)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse14 (<= .cse13 |old(~waterLevel~0)|)) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse2 .cse8 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse9 .cse5 .cse10 .cse6 (and .cse11 .cse12 (<= |old(~waterLevel~0)| .cse13) .cse14) .cse3 .cse4) (or .cse9 .cse5 .cse10 .cse6 (not (<= |old(~waterLevel~0)| 0)) .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse9 .cse10 .cse6 .cse2 (and .cse11 .cse12 .cse14 (= 0 ~waterLevel~0)) .cse4)))) [2020-07-07 10:57:37,998 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-07 10:57:37,998 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse18 (+ ~waterLevel~0 1)) (.cse2 (= 0 ~pumpRunning~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (and .cse2 .cse17)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (<= |old(~waterLevel~0)| 1))) (.cse13 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse14 (<= .cse18 |old(~waterLevel~0)|)) (.cse15 (= 0 ~waterLevel~0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 1 ~systemActive~0))) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (let ((.cse4 (= 1 ~waterLevel~0))) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse4) .cse7)) (or .cse8 .cse9 .cse10 .cse11 .cse7) (let ((.cse16 (<= ~waterLevel~0 0))) (or .cse12 .cse13 (and .cse2 .cse3 .cse14 .cse15) (and .cse16 .cse2 .cse3 .cse17) (and .cse5 .cse6 .cse16 .cse17) .cse0 .cse1 (and .cse5 .cse6 .cse14 .cse15) .cse7)) (or .cse9 (and (<= |old(~waterLevel~0)| .cse18) .cse2 .cse3 .cse14) (and (or .cse13 .cse0 (not (= 1 |old(~waterLevel~0)|)) .cse7) (or .cse0 .cse11 (not (<= 2 |old(~waterLevel~0)|)) .cse7))) (or .cse8 (and (= 2 ~waterLevel~0) .cse17 (<= 1 ~pumpRunning~0)) .cse10 .cse1 .cse11 .cse7) (or .cse12 .cse13 .cse9 (and .cse14 .cse15) .cse0 .cse7 (and .cse2 .cse3 .cse17))))) [2020-07-07 10:57:37,998 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 895 924) no Hoare annotation was computed. [2020-07-07 10:57:37,998 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 895 924) the Hoare annotation is: true [2020-07-07 10:57:37,998 INFO L271 CegarLoopResult]: At program point L920(lines 895 924) the Hoare annotation is: true [2020-07-07 10:57:37,999 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-07-07 10:57:37,999 INFO L268 CegarLoopResult]: For program point L909(lines 909 913) no Hoare annotation was computed. [2020-07-07 10:57:37,999 INFO L271 CegarLoopResult]: At program point L909-1(lines 909 913) the Hoare annotation is: true [2020-07-07 10:57:37,999 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-07 10:57:37,999 INFO L271 CegarLoopResult]: At program point L905-2(lines 905 919) the Hoare annotation is: true [2020-07-07 10:57:37,999 INFO L271 CegarLoopResult]: At program point L901(line 901) the Hoare annotation is: true [2020-07-07 10:57:37,999 INFO L268 CegarLoopResult]: For program point L901-1(line 901) no Hoare annotation was computed. [2020-07-07 10:57:37,999 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-07-07 10:57:38,000 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-07-07 10:57:38,000 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-07-07 10:57:38,000 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 949 955) no Hoare annotation was computed. [2020-07-07 10:57:38,000 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 949 955) the Hoare annotation is: true [2020-07-07 10:57:38,000 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 10:57:38,000 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-07 10:57:38,000 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 10:57:38,001 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 10:57:38,001 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 295 302) no Hoare annotation was computed. [2020-07-07 10:57:38,001 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 295 302) the Hoare annotation is: (let ((.cse3 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (not (= 2 ~waterLevel~0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 |old(~systemActive~0)|))) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse5 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (or .cse7 .cse6 .cse2 .cse4 .cse5) (or .cse1 .cse6 .cse2 .cse8 .cse5) (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) .cse7 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse8 .cse5))) [2020-07-07 10:57:38,001 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 295 302) no Hoare annotation was computed. [2020-07-07 10:57:38,001 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-07 10:57:38,001 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse1))) [2020-07-07 10:57:38,002 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-07 10:57:38,002 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-07 10:57:38,002 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-07 10:57:38,002 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1) (or .cse2 .cse3 .cse0 .cse1))) [2020-07-07 10:57:38,002 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-07 10:57:38,002 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse2 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 (not (<= ~waterLevel~0 1)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse3 .cse4 .cse0 .cse1))) [2020-07-07 10:57:38,002 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 1))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse3 (and .cse5 (= 2 ~waterLevel~0)) .cse2) (or .cse4 .cse3 .cse0 .cse5 .cse2))) [2020-07-07 10:57:38,003 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-07 10:57:38,003 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-07-07 10:57:38,003 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-07-07 10:57:38,003 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5 .cse3) (or .cse0 (= 2 ~waterLevel~0) .cse4 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse3))) [2020-07-07 10:57:38,003 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 994 1001) no Hoare annotation was computed. [2020-07-07 10:57:38,003 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2020-07-07 10:57:38,003 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 994 1001) the Hoare annotation is: true [2020-07-07 10:57:38,004 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 994 1001) no Hoare annotation was computed. [2020-07-07 10:57:38,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 10:57:38 BoogieIcfgContainer [2020-07-07 10:57:38,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 10:57:38,025 INFO L168 Benchmark]: Toolchain (without parser) took 284822.93 ms. Allocated memory was 147.3 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 104.3 MB in the beginning and 670.3 MB in the end (delta: -566.0 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-07-07 10:57:38,026 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-07 10:57:38,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.55 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 104.1 MB in the beginning and 174.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-07 10:57:38,027 INFO L168 Benchmark]: Boogie Preprocessor took 116.19 ms. Allocated memory is still 206.0 MB. Free memory was 174.1 MB in the beginning and 170.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:57:38,027 INFO L168 Benchmark]: RCFGBuilder took 1196.04 ms. Allocated memory was 206.0 MB in the beginning and 234.9 MB in the end (delta: 28.8 MB). Free memory was 170.1 MB in the beginning and 189.2 MB in the end (delta: -19.1 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-07-07 10:57:38,027 INFO L168 Benchmark]: TraceAbstraction took 282779.72 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 922.7 MB). Free memory was 187.8 MB in the beginning and 670.3 MB in the end (delta: -482.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2020-07-07 10:57:38,029 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.55 ms. Allocated memory was 147.3 MB in the beginning and 206.0 MB in the end (delta: 58.7 MB). Free memory was 104.1 MB in the beginning and 174.1 MB in the end (delta: -70.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.19 ms. Allocated memory is still 206.0 MB. Free memory was 174.1 MB in the beginning and 170.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1196.04 ms. Allocated memory was 206.0 MB in the beginning and 234.9 MB in the end (delta: 28.8 MB). Free memory was 170.1 MB in the beginning and 189.2 MB in the end (delta: -19.1 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 282779.72 ms. Allocated memory was 234.9 MB in the beginning and 1.2 GB in the end (delta: 922.7 MB). Free memory was 187.8 MB in the beginning and 670.3 MB in the end (delta: -482.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 998]: 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: 367]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning <= switchedOnBeforeTS && 0 == methaneLevelCritical) && 0 == splverifierCounter) && waterLevel <= 1) && 1 == systemActive) && 1 <= pumpRunning) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || ((((0 == methaneLevelCritical && 0 == splverifierCounter) && 2 == waterLevel) && 1 == systemActive) && 1 <= pumpRunning)) || ((((0 == splverifierCounter && 1 <= methaneLevelCritical) && waterLevel <= 2) && 0 == pumpRunning) && 1 == systemActive)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 266 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 128.5s, OverallIterations: 16, TraceHistogramMax: 9, AutomataDifference: 109.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 154.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3636 SDtfs, 10024 SDslu, 9122 SDs, 0 SdLazy, 35541 SolverSat, 8753 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4217 GetRequests, 3614 SyntacticMatches, 22 SemanticMatches, 581 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13364 ImplicationChecksByTransitivity, 51.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2114occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 2817 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 7336 PreInvPairs, 9349 NumberOfFragments, 4044 HoareAnnotationTreeSize, 7336 FomulaSimplifications, 95209962510 FormulaSimplificationTreeSizeReduction, 75.1s HoareSimplificationTime, 74 FomulaSimplificationsInter, 224476531 FormulaSimplificationTreeSizeReductionInter, 78.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 5566 NumberOfCodeBlocks, 5566 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5543 ConstructedInterpolants, 0 QuantifiedInterpolants, 3495342 SizeOfPredicates, 30 NumberOfNonLiveVariables, 9678 ConjunctsInSsa, 132 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 4714/5073 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...