java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 14:24:35,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 14:24:35,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 14:24:35,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 14:24:35,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 14:24:35,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 14:24:35,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 14:24:35,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 14:24:35,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 14:24:35,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 14:24:35,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 14:24:35,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 14:24:35,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 14:24:35,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 14:24:35,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 14:24:35,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 14:24:35,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 14:24:35,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 14:24:35,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 14:24:35,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 14:24:35,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 14:24:35,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 14:24:35,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 14:24:35,952 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 14:24:35,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 14:24:35,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 14:24:35,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 14:24:35,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 14:24:35,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 14:24:35,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 14:24:35,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 14:24:35,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 14:24:35,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 14:24:35,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 14:24:35,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 14:24:35,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 14:24:35,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 14:24:35,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 14:24:35,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 14:24:35,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 14:24:35,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 14:24:35,967 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 [2019-10-02 14:24:35,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 14:24:35,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 14:24:35,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 14:24:35,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 14:24:35,996 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 14:24:35,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 14:24:35,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 14:24:35,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 14:24:35,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 14:24:35,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 14:24:35,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 14:24:35,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 14:24:35,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 14:24:35,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 14:24:35,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 14:24:35,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 14:24:35,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 14:24:35,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 14:24:35,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 14:24:35,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 14:24:35,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 14:24:36,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 14:24:36,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 14:24:36,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 14:24:36,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 14:24:36,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 14:24:36,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 14:24:36,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 14:24:36,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 14:24:36,031 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 14:24:36,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 14:24:36,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 14:24:36,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 14:24:36,053 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 14:24:36,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c [2019-10-02 14:24:36,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b289a4ee3/09a7986eb3f440e7bde1cd9a6de45b3f/FLAGf35034d3b [2019-10-02 14:24:36,749 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 14:24:36,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product57.cil.c [2019-10-02 14:24:36,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b289a4ee3/09a7986eb3f440e7bde1cd9a6de45b3f/FLAGf35034d3b [2019-10-02 14:24:36,980 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b289a4ee3/09a7986eb3f440e7bde1cd9a6de45b3f [2019-10-02 14:24:36,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 14:24:36,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 14:24:36,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 14:24:36,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 14:24:36,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 14:24:37,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:24:36" (1/1) ... [2019-10-02 14:24:37,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3143413b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37, skipping insertion in model container [2019-10-02 14:24:37,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 02:24:36" (1/1) ... [2019-10-02 14:24:37,010 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 14:24:37,055 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 14:24:37,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:24:37,570 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 14:24:37,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 14:24:37,730 INFO L192 MainTranslator]: Completed translation [2019-10-02 14:24:37,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37 WrapperNode [2019-10-02 14:24:37,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 14:24:37,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 14:24:37,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 14:24:37,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 14:24:37,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37" (1/1) ... [2019-10-02 14:24:37,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37" (1/1) ... [2019-10-02 14:24:37,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37" (1/1) ... [2019-10-02 14:24:37,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37" (1/1) ... [2019-10-02 14:24:37,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37" (1/1) ... [2019-10-02 14:24:37,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37" (1/1) ... [2019-10-02 14:24:37,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37" (1/1) ... [2019-10-02 14:24:37,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 14:24:37,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 14:24:37,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 14:24:37,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 14:24:37,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37" (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 [2019-10-02 14:24:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 14:24:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 14:24:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-02 14:24:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-02 14:24:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-02 14:24:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-02 14:24:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:24:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-02 14:24:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:24:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-02 14:24:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-02 14:24:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-02 14:24:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-02 14:24:37,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-02 14:24:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-02 14:24:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-02 14:24:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-02 14:24:37,927 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-02 14:24:37,928 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-02 14:24:37,928 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-02 14:24:37,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-02 14:24:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-02 14:24:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-02 14:24:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-02 14:24:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-02 14:24:37,933 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-02 14:24:37,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-02 14:24:37,934 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-02 14:24:37,934 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-02 14:24:37,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-02 14:24:37,935 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-02 14:24:37,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-02 14:24:37,935 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-02 14:24:37,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 14:24:37,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-02 14:24:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-02 14:24:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-02 14:24:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-02 14:24:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-02 14:24:37,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-02 14:24:37,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-02 14:24:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 14:24:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 14:24:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-02 14:24:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-02 14:24:37,937 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-02 14:24:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-02 14:24:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-02 14:24:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-02 14:24:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-02 14:24:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-02 14:24:37,938 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-02 14:24:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-02 14:24:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-02 14:24:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-02 14:24:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-02 14:24:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-02 14:24:37,939 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-02 14:24:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-02 14:24:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-02 14:24:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-02 14:24:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-02 14:24:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-02 14:24:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-02 14:24:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-02 14:24:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-02 14:24:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 14:24:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-02 14:24:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-02 14:24:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-02 14:24:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-02 14:24:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-02 14:24:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-02 14:24:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-02 14:24:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-02 14:24:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-02 14:24:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 14:24:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-02 14:24:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 14:24:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 14:24:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-02 14:24:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 14:24:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 14:24:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 14:24:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 14:24:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-02 14:24:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 14:24:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-02 14:24:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-02 14:24:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 14:24:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-02 14:24:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-02 14:24:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-02 14:24:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 14:24:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 14:24:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 14:24:39,339 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 14:24:39,339 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-02 14:24:39,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:24:39 BoogieIcfgContainer [2019-10-02 14:24:39,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 14:24:39,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 14:24:39,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 14:24:39,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 14:24:39,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 02:24:36" (1/3) ... [2019-10-02 14:24:39,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d0f91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:24:39, skipping insertion in model container [2019-10-02 14:24:39,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 02:24:37" (2/3) ... [2019-10-02 14:24:39,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46d0f91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 02:24:39, skipping insertion in model container [2019-10-02 14:24:39,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 02:24:39" (3/3) ... [2019-10-02 14:24:39,349 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2019-10-02 14:24:39,360 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 14:24:39,375 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 14:24:39,393 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 14:24:39,442 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 14:24:39,443 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 14:24:39,443 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 14:24:39,444 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 14:24:39,444 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 14:24:39,444 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 14:24:39,444 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 14:24:39,444 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 14:24:39,445 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 14:24:39,473 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states. [2019-10-02 14:24:39,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-02 14:24:39,483 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:39,484 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:39,487 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:39,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:39,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1827061433, now seen corresponding path program 1 times [2019-10-02 14:24:39,494 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:39,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:39,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:39,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:39,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:39,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:39,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-02 14:24:39,862 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-02 14:24:39,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-02 14:24:39,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:24:39,877 INFO L87 Difference]: Start difference. First operand 186 states. Second operand 2 states. [2019-10-02 14:24:39,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:39,924 INFO L93 Difference]: Finished difference Result 286 states and 349 transitions. [2019-10-02 14:24:39,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-02 14:24:39,925 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-02 14:24:39,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:39,939 INFO L225 Difference]: With dead ends: 286 [2019-10-02 14:24:39,940 INFO L226 Difference]: Without dead ends: 143 [2019-10-02 14:24:39,945 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-02 14:24:39,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2019-10-02 14:24:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2019-10-02 14:24:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2019-10-02 14:24:40,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 166 transitions. [2019-10-02 14:24:40,002 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 166 transitions. Word has length 46 [2019-10-02 14:24:40,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:40,002 INFO L475 AbstractCegarLoop]: Abstraction has 143 states and 166 transitions. [2019-10-02 14:24:40,003 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-02 14:24:40,003 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 166 transitions. [2019-10-02 14:24:40,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-02 14:24:40,006 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:40,007 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:40,007 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:40,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:40,007 INFO L82 PathProgramCache]: Analyzing trace with hash 632131827, now seen corresponding path program 1 times [2019-10-02 14:24:40,008 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:40,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:40,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:40,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:40,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:40,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 14:24:40,186 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 14:24:40,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 14:24:40,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:24:40,188 INFO L87 Difference]: Start difference. First operand 143 states and 166 transitions. Second operand 3 states. [2019-10-02 14:24:40,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:40,232 INFO L93 Difference]: Finished difference Result 235 states and 271 transitions. [2019-10-02 14:24:40,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 14:24:40,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-02 14:24:40,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:40,235 INFO L225 Difference]: With dead ends: 235 [2019-10-02 14:24:40,235 INFO L226 Difference]: Without dead ends: 134 [2019-10-02 14:24:40,237 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 14:24:40,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-02 14:24:40,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-02 14:24:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-02 14:24:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 154 transitions. [2019-10-02 14:24:40,252 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 154 transitions. Word has length 47 [2019-10-02 14:24:40,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:40,253 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 154 transitions. [2019-10-02 14:24:40,253 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 14:24:40,253 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2019-10-02 14:24:40,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-02 14:24:40,256 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:40,256 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:40,256 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:40,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:40,257 INFO L82 PathProgramCache]: Analyzing trace with hash 880596518, now seen corresponding path program 1 times [2019-10-02 14:24:40,257 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:40,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:40,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:40,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:40,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:40,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 14:24:40,447 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 14:24:40,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 14:24:40,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:24:40,447 INFO L87 Difference]: Start difference. First operand 134 states and 154 transitions. Second operand 7 states. [2019-10-02 14:24:40,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:40,822 INFO L93 Difference]: Finished difference Result 244 states and 285 transitions. [2019-10-02 14:24:40,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:24:40,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-02 14:24:40,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:40,825 INFO L225 Difference]: With dead ends: 244 [2019-10-02 14:24:40,826 INFO L226 Difference]: Without dead ends: 134 [2019-10-02 14:24:40,827 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:24:40,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-02 14:24:40,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-02 14:24:40,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-02 14:24:40,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2019-10-02 14:24:40,844 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 51 [2019-10-02 14:24:40,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:40,845 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2019-10-02 14:24:40,845 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 14:24:40,845 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2019-10-02 14:24:40,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-02 14:24:40,848 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:40,848 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:40,849 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:40,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:40,849 INFO L82 PathProgramCache]: Analyzing trace with hash -316946775, now seen corresponding path program 1 times [2019-10-02 14:24:40,849 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:40,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:40,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:40,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:41,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:41,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 14:24:41,038 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 14:24:41,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 14:24:41,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 14:24:41,038 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 5 states. [2019-10-02 14:24:41,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:41,558 INFO L93 Difference]: Finished difference Result 340 states and 405 transitions. [2019-10-02 14:24:41,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 14:24:41,560 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-02 14:24:41,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:41,564 INFO L225 Difference]: With dead ends: 340 [2019-10-02 14:24:41,568 INFO L226 Difference]: Without dead ends: 230 [2019-10-02 14:24:41,570 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 14:24:41,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-10-02 14:24:41,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 212. [2019-10-02 14:24:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-02 14:24:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 240 transitions. [2019-10-02 14:24:41,607 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 240 transitions. Word has length 64 [2019-10-02 14:24:41,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:41,607 INFO L475 AbstractCegarLoop]: Abstraction has 212 states and 240 transitions. [2019-10-02 14:24:41,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 14:24:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 240 transitions. [2019-10-02 14:24:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-02 14:24:41,610 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:41,610 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:41,610 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:41,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:41,611 INFO L82 PathProgramCache]: Analyzing trace with hash 924041624, now seen corresponding path program 1 times [2019-10-02 14:24:41,611 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:41,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:41,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:41,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:41,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:41,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 14:24:41,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-02 14:24:41,795 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-02 14:24:41,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-02 14:24:41,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-02 14:24:41,795 INFO L87 Difference]: Start difference. First operand 212 states and 240 transitions. Second operand 10 states. [2019-10-02 14:24:42,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:42,516 INFO L93 Difference]: Finished difference Result 686 states and 844 transitions. [2019-10-02 14:24:42,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-02 14:24:42,517 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2019-10-02 14:24:42,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:42,523 INFO L225 Difference]: With dead ends: 686 [2019-10-02 14:24:42,523 INFO L226 Difference]: Without dead ends: 498 [2019-10-02 14:24:42,525 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-02 14:24:42,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2019-10-02 14:24:42,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 488. [2019-10-02 14:24:42,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2019-10-02 14:24:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 571 transitions. [2019-10-02 14:24:42,575 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 571 transitions. Word has length 78 [2019-10-02 14:24:42,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:42,576 INFO L475 AbstractCegarLoop]: Abstraction has 488 states and 571 transitions. [2019-10-02 14:24:42,576 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-02 14:24:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 571 transitions. [2019-10-02 14:24:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-02 14:24:42,585 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:42,585 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-02 14:24:42,585 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:42,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:42,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1813775950, now seen corresponding path program 1 times [2019-10-02 14:24:42,586 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:42,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:42,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:42,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:42,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-02 14:24:42,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:42,790 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:42,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:43,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-02 14:24:43,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 14:24:43,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:43,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2019-10-02 14:24:43,238 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 14:24:43,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 14:24:43,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:24:43,239 INFO L87 Difference]: Start difference. First operand 488 states and 571 transitions. Second operand 13 states. [2019-10-02 14:24:47,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:47,272 INFO L93 Difference]: Finished difference Result 1285 states and 1668 transitions. [2019-10-02 14:24:47,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2019-10-02 14:24:47,273 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 136 [2019-10-02 14:24:47,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:47,281 INFO L225 Difference]: With dead ends: 1285 [2019-10-02 14:24:47,281 INFO L226 Difference]: Without dead ends: 934 [2019-10-02 14:24:47,285 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2019-10-02 14:24:47,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2019-10-02 14:24:47,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 821. [2019-10-02 14:24:47,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2019-10-02 14:24:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 998 transitions. [2019-10-02 14:24:47,351 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 998 transitions. Word has length 136 [2019-10-02 14:24:47,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:47,351 INFO L475 AbstractCegarLoop]: Abstraction has 821 states and 998 transitions. [2019-10-02 14:24:47,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 14:24:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 998 transitions. [2019-10-02 14:24:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-02 14:24:47,355 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:47,355 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:47,355 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:47,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:47,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1191208030, now seen corresponding path program 1 times [2019-10-02 14:24:47,356 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:47,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:47,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:47,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:47,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:47,447 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-02 14:24:47,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:47,448 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:47,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:47,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-02 14:24:47,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Stream closed [2019-10-02 14:24:47,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:47,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-10-02 14:24:47,712 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 14:24:47,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 14:24:47,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 14:24:47,712 INFO L87 Difference]: Start difference. First operand 821 states and 998 transitions. Second operand 6 states. [2019-10-02 14:24:47,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:47,791 INFO L93 Difference]: Finished difference Result 1646 states and 2076 transitions. [2019-10-02 14:24:47,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 14:24:47,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2019-10-02 14:24:47,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:47,799 INFO L225 Difference]: With dead ends: 1646 [2019-10-02 14:24:47,799 INFO L226 Difference]: Without dead ends: 849 [2019-10-02 14:24:47,803 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 14:24:47,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2019-10-02 14:24:47,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 841. [2019-10-02 14:24:47,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 841 states. [2019-10-02 14:24:47,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1022 transitions. [2019-10-02 14:24:47,862 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1022 transitions. Word has length 147 [2019-10-02 14:24:47,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:47,863 INFO L475 AbstractCegarLoop]: Abstraction has 841 states and 1022 transitions. [2019-10-02 14:24:47,863 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 14:24:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1022 transitions. [2019-10-02 14:24:47,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-02 14:24:47,866 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:47,867 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:47,867 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:47,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:47,867 INFO L82 PathProgramCache]: Analyzing trace with hash -715195236, now seen corresponding path program 1 times [2019-10-02 14:24:47,868 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:47,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:47,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:47,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:47,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:48,001 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-02 14:24:48,002 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:48,003 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:48,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:48,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-02 14:24:48,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:24:48,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:48,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-10-02 14:24:48,428 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 14:24:48,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 14:24:48,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:24:48,430 INFO L87 Difference]: Start difference. First operand 841 states and 1022 transitions. Second operand 11 states. [2019-10-02 14:24:48,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:48,514 INFO L93 Difference]: Finished difference Result 1482 states and 1842 transitions. [2019-10-02 14:24:48,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 14:24:48,579 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2019-10-02 14:24:48,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:48,584 INFO L225 Difference]: With dead ends: 1482 [2019-10-02 14:24:48,585 INFO L226 Difference]: Without dead ends: 665 [2019-10-02 14:24:48,589 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:24:48,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2019-10-02 14:24:48,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2019-10-02 14:24:48,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2019-10-02 14:24:48,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 800 transitions. [2019-10-02 14:24:48,651 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 800 transitions. Word has length 147 [2019-10-02 14:24:48,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:48,652 INFO L475 AbstractCegarLoop]: Abstraction has 665 states and 800 transitions. [2019-10-02 14:24:48,652 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 14:24:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 800 transitions. [2019-10-02 14:24:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-02 14:24:48,656 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:48,657 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 14:24:48,657 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:48,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:48,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1724095999, now seen corresponding path program 1 times [2019-10-02 14:24:48,659 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:48,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:48,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:48,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:48,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:48,909 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-10-02 14:24:48,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:48,910 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:49,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:49,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-02 14:24:49,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:49,339 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-10-02 14:24:49,347 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 14:24:49,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-10-02 14:24:49,349 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-02 14:24:49,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-02 14:24:49,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-10-02 14:24:49,350 INFO L87 Difference]: Start difference. First operand 665 states and 800 transitions. Second operand 11 states. [2019-10-02 14:24:50,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:50,964 INFO L93 Difference]: Finished difference Result 1313 states and 1657 transitions. [2019-10-02 14:24:50,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-02 14:24:50,965 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2019-10-02 14:24:50,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:50,970 INFO L225 Difference]: With dead ends: 1313 [2019-10-02 14:24:50,971 INFO L226 Difference]: Without dead ends: 731 [2019-10-02 14:24:50,975 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-10-02 14:24:50,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2019-10-02 14:24:51,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 647. [2019-10-02 14:24:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2019-10-02 14:24:51,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 778 transitions. [2019-10-02 14:24:51,026 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 778 transitions. Word has length 151 [2019-10-02 14:24:51,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:51,031 INFO L475 AbstractCegarLoop]: Abstraction has 647 states and 778 transitions. [2019-10-02 14:24:51,031 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-02 14:24:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 778 transitions. [2019-10-02 14:24:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-02 14:24:51,034 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:51,034 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 14:24:51,035 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:51,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:51,035 INFO L82 PathProgramCache]: Analyzing trace with hash 2073209729, now seen corresponding path program 2 times [2019-10-02 14:24:51,035 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:51,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:51,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:51,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:51,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:51,301 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 47 proven. 26 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-02 14:24:51,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:51,302 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:51,376 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-10-02 14:24:51,545 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-10-02 14:24:51,546 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-02 14:24:51,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 16 conjunts are in the unsatisfiable core [2019-10-02 14:24:51,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:51,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-02 14:24:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-02 14:24:51,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:51,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-10-02 14:24:51,738 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-02 14:24:51,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-02 14:24:51,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-10-02 14:24:51,739 INFO L87 Difference]: Start difference. First operand 647 states and 778 transitions. Second operand 16 states. [2019-10-02 14:24:54,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:54,228 INFO L93 Difference]: Finished difference Result 1742 states and 2196 transitions. [2019-10-02 14:24:54,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-02 14:24:54,229 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 204 [2019-10-02 14:24:54,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:54,242 INFO L225 Difference]: With dead ends: 1742 [2019-10-02 14:24:54,242 INFO L226 Difference]: Without dead ends: 1176 [2019-10-02 14:24:54,245 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-10-02 14:24:54,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2019-10-02 14:24:54,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1005. [2019-10-02 14:24:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1005 states. [2019-10-02 14:24:54,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1183 transitions. [2019-10-02 14:24:54,340 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1183 transitions. Word has length 204 [2019-10-02 14:24:54,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:54,340 INFO L475 AbstractCegarLoop]: Abstraction has 1005 states and 1183 transitions. [2019-10-02 14:24:54,341 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-02 14:24:54,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1183 transitions. [2019-10-02 14:24:54,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-02 14:24:54,345 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 14:24:54,346 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-02 14:24:54,346 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 14:24:54,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 14:24:54,347 INFO L82 PathProgramCache]: Analyzing trace with hash -345274749, now seen corresponding path program 1 times [2019-10-02 14:24:54,347 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 14:24:54,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 14:24:54,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:54,352 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 14:24:54,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 14:24:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-02 14:24:54,524 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 14:24:54,524 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 14:24:54,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 14:24:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 14:24:54,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 995 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-02 14:24:54,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 14:24:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-02 14:24:54,817 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 14:24:54,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-10-02 14:24:54,818 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-02 14:24:54,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-02 14:24:54,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-02 14:24:54,821 INFO L87 Difference]: Start difference. First operand 1005 states and 1183 transitions. Second operand 13 states. [2019-10-02 14:24:54,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 14:24:54,901 INFO L93 Difference]: Finished difference Result 1297 states and 1522 transitions. [2019-10-02 14:24:54,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 14:24:54,902 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 204 [2019-10-02 14:24:54,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 14:24:54,906 INFO L225 Difference]: With dead ends: 1297 [2019-10-02 14:24:54,907 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 14:24:54,913 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-02 14:24:54,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 14:24:54,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 14:24:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 14:24:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 14:24:54,915 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 204 [2019-10-02 14:24:54,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 14:24:54,915 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 14:24:54,915 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-02 14:24:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 14:24:54,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 14:24:54,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 14:24:55,961 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2019-10-02 14:24:56,123 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2019-10-02 14:24:56,277 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 17 [2019-10-02 14:24:57,118 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2019-10-02 14:24:57,717 INFO L443 ceAbstractionStarter]: For program point L698(lines 675 699) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 651 706) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point L682(lines 682 686) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point L682-1(lines 682 686) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 651 706) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point L677(line 677) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 651 706) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point L676-2(lines 676 697) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point L734(line 734) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point L733-2(lines 733 758) no Hoare annotation was computed. [2019-10-02 14:24:57,718 INFO L443 ceAbstractionStarter]: For program point L759(lines 732 760) no Hoare annotation was computed. [2019-10-02 14:24:57,719 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 707 766) no Hoare annotation was computed. [2019-10-02 14:24:57,719 INFO L443 ceAbstractionStarter]: For program point L752(line 752) no Hoare annotation was computed. [2019-10-02 14:24:57,719 INFO L443 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2019-10-02 14:24:57,719 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 707 766) no Hoare annotation was computed. [2019-10-02 14:24:57,719 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 707 766) no Hoare annotation was computed. [2019-10-02 14:24:57,719 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 743) no Hoare annotation was computed. [2019-10-02 14:24:57,719 INFO L443 ceAbstractionStarter]: For program point L739-1(lines 739 743) no Hoare annotation was computed. [2019-10-02 14:24:57,719 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 486 492) the Hoare annotation is: true [2019-10-02 14:24:57,719 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 486 492) no Hoare annotation was computed. [2019-10-02 14:24:57,719 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 493 501) no Hoare annotation was computed. [2019-10-02 14:24:57,720 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 493 501) the Hoare annotation is: true [2019-10-02 14:24:57,720 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 493 501) no Hoare annotation was computed. [2019-10-02 14:24:57,720 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 336 360) the Hoare annotation is: true [2019-10-02 14:24:57,720 INFO L439 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-10-02 14:24:57,720 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 354) no Hoare annotation was computed. [2019-10-02 14:24:57,720 INFO L439 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2019-10-02 14:24:57,720 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-10-02 14:24:57,720 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 357) no Hoare annotation was computed. [2019-10-02 14:24:57,720 INFO L443 ceAbstractionStarter]: For program point L344-1(lines 336 360) no Hoare annotation was computed. [2019-10-02 14:24:57,720 INFO L446 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: true [2019-10-02 14:24:57,721 INFO L443 ceAbstractionStarter]: For program point L342-1(line 342) no Hoare annotation was computed. [2019-10-02 14:24:57,721 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 336 360) no Hoare annotation was computed. [2019-10-02 14:24:57,721 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 575 597) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:24:57,721 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 575 597) no Hoare annotation was computed. [2019-10-02 14:24:57,721 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 575 597) no Hoare annotation was computed. [2019-10-02 14:24:57,721 INFO L439 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:24:57,721 INFO L439 ceAbstractionStarter]: At program point L587-1(line 587) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 0) (= main_~tmp~7 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:24:57,722 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 592) no Hoare annotation was computed. [2019-10-02 14:24:57,722 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 585 592) no Hoare annotation was computed. [2019-10-02 14:24:57,722 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-02 14:24:57,722 INFO L439 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:24:57,722 INFO L439 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:24:57,722 INFO L439 ceAbstractionStarter]: At program point L581-1(line 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:24:57,722 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-02 14:24:57,722 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-02 14:24:57,722 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 534 557) no Hoare annotation was computed. [2019-10-02 14:24:57,722 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-10-02 14:24:57,722 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-02 14:24:57,722 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 534 557) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point L540(line 540) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 534 557) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 250 258) no Hoare annotation was computed. [2019-10-02 14:24:57,723 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 250 258) the Hoare annotation is: true [2019-10-02 14:24:57,724 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 250 258) no Hoare annotation was computed. [2019-10-02 14:24:57,724 INFO L446 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: true [2019-10-02 14:24:57,724 INFO L443 ceAbstractionStarter]: For program point L323-2(lines 323 327) no Hoare annotation was computed. [2019-10-02 14:24:57,724 INFO L443 ceAbstractionStarter]: For program point L321-1(line 321) no Hoare annotation was computed. [2019-10-02 14:24:57,724 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 314 332) the Hoare annotation is: true [2019-10-02 14:24:57,724 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 314 332) no Hoare annotation was computed. [2019-10-02 14:24:57,724 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 327) no Hoare annotation was computed. [2019-10-02 14:24:57,724 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 314 332) no Hoare annotation was computed. [2019-10-02 14:24:57,724 INFO L443 ceAbstractionStarter]: For program point L289(line 289) no Hoare annotation was computed. [2019-10-02 14:24:57,724 INFO L443 ceAbstractionStarter]: For program point L289-1(line 289) no Hoare annotation was computed. [2019-10-02 14:24:57,724 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 286) no Hoare annotation was computed. [2019-10-02 14:24:57,725 INFO L443 ceAbstractionStarter]: For program point L278-2(lines 278 286) no Hoare annotation was computed. [2019-10-02 14:24:57,725 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 259 294) no Hoare annotation was computed. [2019-10-02 14:24:57,725 INFO L443 ceAbstractionStarter]: For program point L266(lines 266 274) no Hoare annotation was computed. [2019-10-02 14:24:57,725 INFO L443 ceAbstractionStarter]: For program point L266-2(lines 266 274) no Hoare annotation was computed. [2019-10-02 14:24:57,725 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 259 294) no Hoare annotation was computed. [2019-10-02 14:24:57,725 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 259 294) no Hoare annotation was computed. [2019-10-02 14:24:57,725 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 479 485) no Hoare annotation was computed. [2019-10-02 14:24:57,725 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 479 485) the Hoare annotation is: true [2019-10-02 14:24:57,726 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 605 650) no Hoare annotation was computed. [2019-10-02 14:24:57,726 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 605 650) no Hoare annotation was computed. [2019-10-02 14:24:57,726 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 605 650) no Hoare annotation was computed. [2019-10-02 14:24:57,726 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 918 963) no Hoare annotation was computed. [2019-10-02 14:24:57,726 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 918 963) no Hoare annotation was computed. [2019-10-02 14:24:57,726 INFO L443 ceAbstractionStarter]: For program point L938(lines 938 945) no Hoare annotation was computed. [2019-10-02 14:24:57,726 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 918 963) no Hoare annotation was computed. [2019-10-02 14:24:57,727 INFO L443 ceAbstractionStarter]: For program point L932(lines 932 952) no Hoare annotation was computed. [2019-10-02 14:24:57,727 INFO L443 ceAbstractionStarter]: For program point L932-1(lines 932 952) no Hoare annotation was computed. [2019-10-02 14:24:57,727 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 565 574) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:24:57,727 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 565 574) no Hoare annotation was computed. [2019-10-02 14:24:57,727 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 565 574) no Hoare annotation was computed. [2019-10-02 14:24:57,727 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 239 249) the Hoare annotation is: true [2019-10-02 14:24:57,727 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 239 249) no Hoare annotation was computed. [2019-10-02 14:24:57,728 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 239 249) no Hoare annotation was computed. [2019-10-02 14:24:57,728 INFO L446 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2019-10-02 14:24:57,728 INFO L443 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2019-10-02 14:24:57,728 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 231 238) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2019-10-02 14:24:57,728 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 231 238) no Hoare annotation was computed. [2019-10-02 14:24:57,728 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 231 238) no Hoare annotation was computed. [2019-10-02 14:24:57,728 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-10-02 14:24:57,728 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 441 454) no Hoare annotation was computed. [2019-10-02 14:24:57,729 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 441 454) the Hoare annotation is: true [2019-10-02 14:24:57,729 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 441 454) no Hoare annotation was computed. [2019-10-02 14:24:57,729 INFO L439 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2)) .cse0 .cse1))) [2019-10-02 14:24:57,729 INFO L443 ceAbstractionStarter]: For program point L188(lines 188 196) no Hoare annotation was computed. [2019-10-02 14:24:57,729 INFO L439 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-10-02 14:24:57,729 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-10-02 14:24:57,730 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 201) no Hoare annotation was computed. [2019-10-02 14:24:57,730 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 180 204) no Hoare annotation was computed. [2019-10-02 14:24:57,730 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 180 204) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 1))) [2019-10-02 14:24:57,730 INFO L439 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2019-10-02 14:24:57,730 INFO L443 ceAbstractionStarter]: For program point L199-1(lines 180 204) no Hoare annotation was computed. [2019-10-02 14:24:57,730 INFO L439 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:24:57,730 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 146 152) no Hoare annotation was computed. [2019-10-02 14:24:57,730 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 146 152) the Hoare annotation is: true [2019-10-02 14:24:57,731 INFO L439 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)))) [2019-10-02 14:24:57,731 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2019-10-02 14:24:57,731 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:24:57,731 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2019-10-02 14:24:57,731 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-02 14:24:57,731 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2019-10-02 14:24:57,731 INFO L439 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-02 14:24:57,732 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-10-02 14:24:57,732 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-02 14:24:57,732 INFO L443 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2019-10-02 14:24:57,732 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2019-10-02 14:24:57,732 INFO L439 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-02 14:24:57,732 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-10-02 14:24:57,732 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-10-02 14:24:57,733 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2019-10-02 14:24:57,733 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (and (<= 2 ~waterLevel~0) .cse0))) [2019-10-02 14:24:57,733 INFO L443 ceAbstractionStarter]: For program point L892(lines 892 899) no Hoare annotation was computed. [2019-10-02 14:24:57,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 872 917) no Hoare annotation was computed. [2019-10-02 14:24:57,733 INFO L443 ceAbstractionStarter]: For program point L886(lines 886 906) no Hoare annotation was computed. [2019-10-02 14:24:57,733 INFO L443 ceAbstractionStarter]: For program point L886-1(lines 886 906) no Hoare annotation was computed. [2019-10-02 14:24:57,733 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 872 917) no Hoare annotation was computed. [2019-10-02 14:24:57,734 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 872 917) no Hoare annotation was computed. [2019-10-02 14:24:57,734 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 205 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-02 14:24:57,734 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 205 212) no Hoare annotation was computed. [2019-10-02 14:24:57,734 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 205 212) no Hoare annotation was computed. [2019-10-02 14:24:57,734 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 455 463) no Hoare annotation was computed. [2019-10-02 14:24:57,734 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 455 463) the Hoare annotation is: true [2019-10-02 14:24:57,734 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 455 463) no Hoare annotation was computed. [2019-10-02 14:24:57,734 INFO L443 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2019-10-02 14:24:57,735 INFO L443 ceAbstractionStarter]: For program point L417-2(lines 417 425) no Hoare annotation was computed. [2019-10-02 14:24:57,735 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 409 431) no Hoare annotation was computed. [2019-10-02 14:24:57,735 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 409 431) no Hoare annotation was computed. [2019-10-02 14:24:57,735 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 409 431) no Hoare annotation was computed. [2019-10-02 14:24:57,735 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 469 478) no Hoare annotation was computed. [2019-10-02 14:24:57,735 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 469 478) no Hoare annotation was computed. [2019-10-02 14:24:57,735 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 469 478) no Hoare annotation was computed. [2019-10-02 14:24:57,735 INFO L443 ceAbstractionStarter]: For program point L834-1(line 834) no Hoare annotation was computed. [2019-10-02 14:24:57,736 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 769 871) no Hoare annotation was computed. [2019-10-02 14:24:57,736 INFO L443 ceAbstractionStarter]: For program point L793(lines 793 797) no Hoare annotation was computed. [2019-10-02 14:24:57,736 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 868) no Hoare annotation was computed. [2019-10-02 14:24:57,736 INFO L443 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2019-10-02 14:24:57,736 INFO L443 ceAbstractionStarter]: For program point L818-2(lines 818 838) no Hoare annotation was computed. [2019-10-02 14:24:57,736 INFO L443 ceAbstractionStarter]: For program point L839(lines 817 840) no Hoare annotation was computed. [2019-10-02 14:24:57,736 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 769 871) no Hoare annotation was computed. [2019-10-02 14:24:57,736 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 814) no Hoare annotation was computed. [2019-10-02 14:24:57,736 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2019-10-02 14:24:57,737 INFO L443 ceAbstractionStarter]: For program point L819(lines 818 838) no Hoare annotation was computed. [2019-10-02 14:24:57,737 INFO L443 ceAbstractionStarter]: For program point L850(line 850) no Hoare annotation was computed. [2019-10-02 14:24:57,737 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 769 871) no Hoare annotation was computed. [2019-10-02 14:24:57,737 INFO L443 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2019-10-02 14:24:57,737 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 856) no Hoare annotation was computed. [2019-10-02 14:24:57,737 INFO L443 ceAbstractionStarter]: For program point L834(line 834) no Hoare annotation was computed. [2019-10-02 14:24:57,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:24:57,737 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:24:57,738 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:24:57,738 INFO L439 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-02 14:24:57,738 INFO L443 ceAbstractionStarter]: For program point L225-1(lines 214 230) no Hoare annotation was computed. [2019-10-02 14:24:57,738 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-10-02 14:24:57,738 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 214 230) no Hoare annotation was computed. [2019-10-02 14:24:57,738 INFO L439 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-02 14:24:57,739 INFO L443 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2019-10-02 14:24:57,739 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 214 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (= ~pumpRunning~0 0)) [2019-10-02 14:24:57,739 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 295 313) no Hoare annotation was computed. [2019-10-02 14:24:57,739 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 308) no Hoare annotation was computed. [2019-10-02 14:24:57,739 INFO L446 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2019-10-02 14:24:57,739 INFO L443 ceAbstractionStarter]: For program point L304-2(lines 304 308) no Hoare annotation was computed. [2019-10-02 14:24:57,739 INFO L443 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2019-10-02 14:24:57,739 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 295 313) the Hoare annotation is: true [2019-10-02 14:24:57,740 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 295 313) no Hoare annotation was computed. [2019-10-02 14:24:57,740 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 432 440) the Hoare annotation is: true [2019-10-02 14:24:57,740 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 432 440) no Hoare annotation was computed. [2019-10-02 14:24:57,740 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 432 440) no Hoare annotation was computed. [2019-10-02 14:24:57,740 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 388 399) the Hoare annotation is: true [2019-10-02 14:24:57,740 INFO L443 ceAbstractionStarter]: For program point L392-1(lines 388 399) no Hoare annotation was computed. [2019-10-02 14:24:57,740 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 388 399) no Hoare annotation was computed. [2019-10-02 14:24:57,741 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:24:57,741 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-02 14:24:57,741 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:24:57,741 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2019-10-02 14:24:57,741 INFO L443 ceAbstractionStarter]: For program point L126(lines 125 144) no Hoare annotation was computed. [2019-10-02 14:24:57,741 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 122 145) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1)))) [2019-10-02 14:24:57,742 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 122 145) no Hoare annotation was computed. [2019-10-02 14:24:57,742 INFO L439 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse2 .cse0) (let ((.cse3 (+ ~waterLevel~0 1))) (and (<= .cse3 |old(~waterLevel~0)|) .cse2 (<= |old(~waterLevel~0)| .cse3))) (or (not (<= 2 |old(~waterLevel~0)|)) .cse1))))) [2019-10-02 14:24:57,742 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 122 145) no Hoare annotation was computed. [2019-10-02 14:24:57,742 INFO L439 ceAbstractionStarter]: At program point L133(lines 133 139) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and (= 1 ~systemActive~0) (<= 2 ~waterLevel~0) .cse4)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (let ((.cse0 (+ ~waterLevel~0 1))) (and (<= .cse0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse0) .cse1)) .cse2 (or (not (<= 2 |old(~waterLevel~0)|)) .cse3)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3 (and .cse4 .cse1))))) [2019-10-02 14:24:57,742 INFO L446 ceAbstractionStarter]: At program point L514-2(lines 514 528) the Hoare annotation is: true [2019-10-02 14:24:57,742 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 504 533) no Hoare annotation was computed. [2019-10-02 14:24:57,743 INFO L446 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: true [2019-10-02 14:24:57,743 INFO L443 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2019-10-02 14:24:57,743 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 504 533) the Hoare annotation is: true [2019-10-02 14:24:57,743 INFO L446 ceAbstractionStarter]: At program point L529(lines 504 533) the Hoare annotation is: true [2019-10-02 14:24:57,743 INFO L443 ceAbstractionStarter]: For program point L525(line 525) no Hoare annotation was computed. [2019-10-02 14:24:57,743 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2019-10-02 14:24:57,743 INFO L446 ceAbstractionStarter]: At program point L518-1(lines 518 522) the Hoare annotation is: true [2019-10-02 14:24:57,744 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-02 14:24:57,744 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 400 408) the Hoare annotation is: true [2019-10-02 14:24:57,744 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 400 408) no Hoare annotation was computed. [2019-10-02 14:24:57,744 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 400 408) no Hoare annotation was computed. [2019-10-02 14:24:57,744 INFO L443 ceAbstractionStarter]: For program point L368-1(lines 364 375) no Hoare annotation was computed. [2019-10-02 14:24:57,744 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 364 375) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-02 14:24:57,744 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 364 375) no Hoare annotation was computed. [2019-10-02 14:24:57,744 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 558 564) no Hoare annotation was computed. [2019-10-02 14:24:57,745 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 558 564) the Hoare annotation is: true [2019-10-02 14:24:57,745 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 14:24:57,745 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (< ~waterLevel~0 2)) [2019-10-02 14:24:57,745 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 14:24:57,745 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 14:24:57,745 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 154 178) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:24:57,746 INFO L439 ceAbstractionStarter]: At program point L160(line 160) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:24:57,746 INFO L443 ceAbstractionStarter]: For program point L160-1(line 160) no Hoare annotation was computed. [2019-10-02 14:24:57,746 INFO L443 ceAbstractionStarter]: For program point L158(lines 158 175) no Hoare annotation was computed. [2019-10-02 14:24:57,746 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 154 178) no Hoare annotation was computed. [2019-10-02 14:24:57,746 INFO L439 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:24:57,746 INFO L443 ceAbstractionStarter]: For program point L173-1(lines 154 178) no Hoare annotation was computed. [2019-10-02 14:24:57,746 INFO L439 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) [2019-10-02 14:24:57,746 INFO L439 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-02 14:24:57,747 INFO L443 ceAbstractionStarter]: For program point L162(lines 162 170) no Hoare annotation was computed. [2019-10-02 14:24:57,747 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 376 387) no Hoare annotation was computed. [2019-10-02 14:24:57,747 INFO L443 ceAbstractionStarter]: For program point L380-1(lines 376 387) no Hoare annotation was computed. [2019-10-02 14:24:57,747 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 376 387) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2019-10-02 14:24:57,747 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 965 972) no Hoare annotation was computed. [2019-10-02 14:24:57,747 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 965 972) the Hoare annotation is: true [2019-10-02 14:24:57,748 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2019-10-02 14:24:57,748 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 965 972) no Hoare annotation was computed. [2019-10-02 14:24:57,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 02:24:57 BoogieIcfgContainer [2019-10-02 14:24:57,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 14:24:57,766 INFO L168 Benchmark]: Toolchain (without parser) took 20772.45 ms. Allocated memory was 141.0 MB in the beginning and 549.5 MB in the end (delta: 408.4 MB). Free memory was 88.3 MB in the beginning and 194.7 MB in the end (delta: -106.4 MB). Peak memory consumption was 348.2 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:57,767 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 14:24:57,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.94 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 88.1 MB in the beginning and 165.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:57,769 INFO L168 Benchmark]: Boogie Preprocessor took 112.17 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 161.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:57,770 INFO L168 Benchmark]: RCFGBuilder took 1496.58 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 161.4 MB in the beginning and 192.0 MB in the end (delta: -30.5 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:57,771 INFO L168 Benchmark]: TraceAbstraction took 18421.66 ms. Allocated memory was 227.0 MB in the beginning and 549.5 MB in the end (delta: 322.4 MB). Free memory was 190.6 MB in the beginning and 194.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 364.5 MB. Max. memory is 7.1 GB. [2019-10-02 14:24:57,775 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.94 ms. Allocated memory was 141.0 MB in the beginning and 200.3 MB in the end (delta: 59.2 MB). Free memory was 88.1 MB in the beginning and 165.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.17 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 161.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1496.58 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 161.4 MB in the beginning and 192.0 MB in the end (delta: -30.5 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18421.66 ms. Allocated memory was 227.0 MB in the beginning and 549.5 MB in the end (delta: 322.4 MB). Free memory was 190.6 MB in the beginning and 194.7 MB in the end (delta: -4.1 MB). Peak memory consumption was 364.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 969]: 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: 514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (2 <= waterLevel && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 1 error locations. SAFE Result, 18.3s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 10.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1926 SDtfs, 2982 SDslu, 5877 SDs, 0 SdLazy, 6620 SolverSat, 1851 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1212 GetRequests, 1045 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1452 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1005occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 404 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2095 PreInvPairs, 2145 NumberOfFragments, 913 HoareAnnotationTreeSize, 2095 FomulaSimplifications, 6396 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 64 FomulaSimplificationsInter, 5865 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2264 NumberOfCodeBlocks, 2264 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2247 ConstructedInterpolants, 0 QuantifiedInterpolants, 521579 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5429 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 641/704 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...