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_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:37:10,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:37:10,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:37:10,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:37:10,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:37:10,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:37:10,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:37:10,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:37:10,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:37:10,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:37:10,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:37:10,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:37:10,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:37:10,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:37:10,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:37:10,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:37:10,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:37:10,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:37:10,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:37:10,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:37:10,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:37:10,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:37:10,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:37:10,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:37:10,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:37:10,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:37:10,110 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:37:10,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:37:10,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:37:10,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:37:10,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:37:10,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:37:10,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:37:10,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:37:10,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:37:10,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:37:10,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:37:10,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:37:10,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:37:10,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:37:10,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:37:10,119 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 [2019-09-16 16:37:10,134 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:37:10,134 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:37:10,135 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:37:10,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:37:10,135 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:37:10,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:37:10,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:37:10,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:37:10,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:37:10,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:37:10,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:37:10,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:37:10,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:37:10,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:37:10,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:37:10,138 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:37:10,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:37:10,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:37:10,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:37:10,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:37:10,139 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:37:10,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:37:10,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:37:10,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:37:10,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:37:10,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:37:10,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:37:10,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:37:10,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:37:10,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:37:10,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:37:10,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:37:10,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:37:10,184 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:37:10,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-16 16:37:10,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4fb3387/ad96cdd0d72f47e1a3030a4dc305ae55/FLAG1ae94991f [2019-09-16 16:37:10,751 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:37:10,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-16 16:37:10,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4fb3387/ad96cdd0d72f47e1a3030a4dc305ae55/FLAG1ae94991f [2019-09-16 16:37:11,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba4fb3387/ad96cdd0d72f47e1a3030a4dc305ae55 [2019-09-16 16:37:11,114 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:37:11,116 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:37:11,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:37:11,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:37:11,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:37:11,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68236ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11, skipping insertion in model container [2019-09-16 16:37:11,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,132 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:37:11,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:37:11,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:37:11,675 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:37:11,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:37:11,804 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:37:11,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11 WrapperNode [2019-09-16 16:37:11,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:37:11,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:37:11,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:37:11,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:37:11,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (1/1) ... [2019-09-16 16:37:11,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:37:11,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:37:11,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:37:11,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:37:11,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (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 [2019-09-16 16:37:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:37:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:37:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:37:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:37:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:37:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:37:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 16:37:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:37:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:37:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:37:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:37:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:37:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:37:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:37:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:37:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-16 16:37:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-16 16:37:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:37:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:37:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:37:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:37:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:37:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:37:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:37:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-16 16:37:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:37:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:37:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:37:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:37:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:37:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:37:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:37:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:37:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:37:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:37:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:37:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:37:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:37:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:37:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:37:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:37:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:37:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:37:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:37:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:37:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:37:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:37:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:37:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:37:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:37:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:37:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:37:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:37:11,951 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:37:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:37:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:37:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-16 16:37:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-16 16:37:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-16 16:37:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:37:11,952 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:37:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:37:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:37:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:37:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-16 16:37:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:37:11,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:37:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:37:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:37:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:37:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:37:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:37:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:37:11,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:37:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:37:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:37:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:37:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:37:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:37:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:37:11,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:37:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:37:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:37:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:37:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:37:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:37:11,956 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:37:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:37:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:37:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:37:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:37:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:37:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:37:11,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:37:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:37:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:37:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:37:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:37:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:37:11,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:37:13,048 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:37:13,049 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:37:13,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:37:13 BoogieIcfgContainer [2019-09-16 16:37:13,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:37:13,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:37:13,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:37:13,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:37:13,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:37:11" (1/3) ... [2019-09-16 16:37:13,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe4fb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:37:13, skipping insertion in model container [2019-09-16 16:37:13,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:37:11" (2/3) ... [2019-09-16 16:37:13,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe4fb70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:37:13, skipping insertion in model container [2019-09-16 16:37:13,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:37:13" (3/3) ... [2019-09-16 16:37:13,060 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2019-09-16 16:37:13,070 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:37:13,080 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:37:13,096 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:37:13,127 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:37:13,128 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:37:13,128 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:37:13,128 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:37:13,129 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:37:13,129 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:37:13,129 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:37:13,129 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:37:13,129 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:37:13,152 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2019-09-16 16:37:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-16 16:37:13,161 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:13,162 INFO L407 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] [2019-09-16 16:37:13,165 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:13,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:13,171 INFO L82 PathProgramCache]: Analyzing trace with hash -559348317, now seen corresponding path program 1 times [2019-09-16 16:37:13,173 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:13,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:13,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:13,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:13,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:13,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:13,519 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:37:13,523 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:37:13,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:37:13,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:37:13,540 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2019-09-16 16:37:13,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:13,603 INFO L93 Difference]: Finished difference Result 312 states and 385 transitions. [2019-09-16 16:37:13,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:37:13,605 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-16 16:37:13,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:13,620 INFO L225 Difference]: With dead ends: 312 [2019-09-16 16:37:13,620 INFO L226 Difference]: Without dead ends: 156 [2019-09-16 16:37:13,624 INFO L636 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 [2019-09-16 16:37:13,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-09-16 16:37:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-09-16 16:37:13,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-09-16 16:37:13,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2019-09-16 16:37:13,687 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 46 [2019-09-16 16:37:13,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:13,688 INFO L475 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2019-09-16 16:37:13,688 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:37:13,688 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2019-09-16 16:37:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-16 16:37:13,693 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:13,693 INFO L407 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] [2019-09-16 16:37:13,694 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:13,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:13,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1620740414, now seen corresponding path program 1 times [2019-09-16 16:37:13,695 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:13,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:13,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:13,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:13,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:13,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:37:13,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:37:13,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:37:13,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:37:13,841 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 3 states. [2019-09-16 16:37:13,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:13,864 INFO L93 Difference]: Finished difference Result 251 states and 295 transitions. [2019-09-16 16:37:13,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:37:13,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-16 16:37:13,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:13,867 INFO L225 Difference]: With dead ends: 251 [2019-09-16 16:37:13,867 INFO L226 Difference]: Without dead ends: 147 [2019-09-16 16:37:13,869 INFO L636 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 [2019-09-16 16:37:13,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-09-16 16:37:13,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-09-16 16:37:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-16 16:37:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2019-09-16 16:37:13,895 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 47 [2019-09-16 16:37:13,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:13,896 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2019-09-16 16:37:13,896 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:37:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2019-09-16 16:37:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-16 16:37:13,903 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:13,903 INFO L407 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] [2019-09-16 16:37:13,904 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:13,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:13,904 INFO L82 PathProgramCache]: Analyzing trace with hash -396868600, now seen corresponding path program 1 times [2019-09-16 16:37:13,904 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:13,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:13,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:13,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:14,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:14,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:14,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:37:14,072 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:37:14,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:37:14,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:37:14,073 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2019-09-16 16:37:14,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:14,613 INFO L93 Difference]: Finished difference Result 443 states and 536 transitions. [2019-09-16 16:37:14,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:37:14,613 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-16 16:37:14,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:14,617 INFO L225 Difference]: With dead ends: 443 [2019-09-16 16:37:14,618 INFO L226 Difference]: Without dead ends: 320 [2019-09-16 16:37:14,619 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:37:14,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-09-16 16:37:14,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 308. [2019-09-16 16:37:14,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-09-16 16:37:14,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 372 transitions. [2019-09-16 16:37:14,657 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 372 transitions. Word has length 52 [2019-09-16 16:37:14,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:14,657 INFO L475 AbstractCegarLoop]: Abstraction has 308 states and 372 transitions. [2019-09-16 16:37:14,658 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:37:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 372 transitions. [2019-09-16 16:37:14,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-16 16:37:14,660 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:14,660 INFO L407 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] [2019-09-16 16:37:14,661 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:14,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:14,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1317156286, now seen corresponding path program 1 times [2019-09-16 16:37:14,661 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:14,661 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:14,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:14,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:14,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:14,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:14,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-16 16:37:14,814 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-16 16:37:14,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-16 16:37:14,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-16 16:37:14,815 INFO L87 Difference]: Start difference. First operand 308 states and 372 transitions. Second operand 10 states. [2019-09-16 16:37:15,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:15,495 INFO L93 Difference]: Finished difference Result 1112 states and 1444 transitions. [2019-09-16 16:37:15,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-16 16:37:15,496 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-16 16:37:15,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:15,503 INFO L225 Difference]: With dead ends: 1112 [2019-09-16 16:37:15,503 INFO L226 Difference]: Without dead ends: 828 [2019-09-16 16:37:15,506 INFO L636 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 [2019-09-16 16:37:15,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2019-09-16 16:37:15,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 816. [2019-09-16 16:37:15,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2019-09-16 16:37:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1024 transitions. [2019-09-16 16:37:15,607 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1024 transitions. Word has length 57 [2019-09-16 16:37:15,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:15,608 INFO L475 AbstractCegarLoop]: Abstraction has 816 states and 1024 transitions. [2019-09-16 16:37:15,611 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-16 16:37:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1024 transitions. [2019-09-16 16:37:15,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-16 16:37:15,619 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:15,626 INFO L407 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] [2019-09-16 16:37:15,626 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:15,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:15,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1811637144, now seen corresponding path program 1 times [2019-09-16 16:37:15,627 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:15,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:15,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:15,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:15,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:15,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:37:15,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:37:15,743 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:37:15,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:37:15,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:37:15,744 INFO L87 Difference]: Start difference. First operand 816 states and 1024 transitions. Second operand 4 states. [2019-09-16 16:37:16,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:16,118 INFO L93 Difference]: Finished difference Result 2011 states and 2749 transitions. [2019-09-16 16:37:16,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:37:16,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-16 16:37:16,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:16,129 INFO L225 Difference]: With dead ends: 2011 [2019-09-16 16:37:16,129 INFO L226 Difference]: Without dead ends: 1219 [2019-09-16 16:37:16,133 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:37:16,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2019-09-16 16:37:16,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1081. [2019-09-16 16:37:16,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2019-09-16 16:37:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1360 transitions. [2019-09-16 16:37:16,233 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1360 transitions. Word has length 61 [2019-09-16 16:37:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:16,233 INFO L475 AbstractCegarLoop]: Abstraction has 1081 states and 1360 transitions. [2019-09-16 16:37:16,233 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:37:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1360 transitions. [2019-09-16 16:37:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-16 16:37:16,237 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:16,237 INFO L407 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] [2019-09-16 16:37:16,237 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:16,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:16,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1078445760, now seen corresponding path program 1 times [2019-09-16 16:37:16,238 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:16,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:16,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:16,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:16,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-16 16:37:16,397 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:16,397 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 [2019-09-16 16:37:16,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:16,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-16 16:37:16,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:16,747 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:37:16,753 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:37:16,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-16 16:37:16,754 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-16 16:37:16,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-16 16:37:16,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-16 16:37:16,755 INFO L87 Difference]: Start difference. First operand 1081 states and 1360 transitions. Second operand 12 states. [2019-09-16 16:37:20,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:20,210 INFO L93 Difference]: Finished difference Result 2539 states and 3451 transitions. [2019-09-16 16:37:20,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-16 16:37:20,211 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2019-09-16 16:37:20,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:20,227 INFO L225 Difference]: With dead ends: 2539 [2019-09-16 16:37:20,227 INFO L226 Difference]: Without dead ends: 1740 [2019-09-16 16:37:20,233 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-09-16 16:37:20,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2019-09-16 16:37:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1523. [2019-09-16 16:37:20,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2019-09-16 16:37:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1941 transitions. [2019-09-16 16:37:20,383 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1941 transitions. Word has length 89 [2019-09-16 16:37:20,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:20,383 INFO L475 AbstractCegarLoop]: Abstraction has 1523 states and 1941 transitions. [2019-09-16 16:37:20,383 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-16 16:37:20,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1941 transitions. [2019-09-16 16:37:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-16 16:37:20,390 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:20,390 INFO L407 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, 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] [2019-09-16 16:37:20,391 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:20,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:20,391 INFO L82 PathProgramCache]: Analyzing trace with hash -629504636, now seen corresponding path program 1 times [2019-09-16 16:37:20,391 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:20,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:20,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:20,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:20,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-16 16:37:20,506 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:20,506 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 [2019-09-16 16:37:20,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:20,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-16 16:37:20,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:21,040 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-16 16:37:21,047 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:37:21,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-09-16 16:37:21,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:37:21,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:37:21,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:37:21,050 INFO L87 Difference]: Start difference. First operand 1523 states and 1941 transitions. Second operand 9 states. [2019-09-16 16:37:22,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:22,322 INFO L93 Difference]: Finished difference Result 3137 states and 4136 transitions. [2019-09-16 16:37:22,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-16 16:37:22,323 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2019-09-16 16:37:22,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:22,342 INFO L225 Difference]: With dead ends: 3137 [2019-09-16 16:37:22,343 INFO L226 Difference]: Without dead ends: 1638 [2019-09-16 16:37:22,354 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:37:22,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2019-09-16 16:37:22,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1531. [2019-09-16 16:37:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2019-09-16 16:37:22,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1815 transitions. [2019-09-16 16:37:22,508 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1815 transitions. Word has length 146 [2019-09-16 16:37:22,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:22,513 INFO L475 AbstractCegarLoop]: Abstraction has 1531 states and 1815 transitions. [2019-09-16 16:37:22,513 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:37:22,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1815 transitions. [2019-09-16 16:37:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-16 16:37:22,519 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:22,519 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:22,519 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:22,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:22,520 INFO L82 PathProgramCache]: Analyzing trace with hash 497525520, now seen corresponding path program 1 times [2019-09-16 16:37:22,520 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:22,521 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:22,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:22,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:22,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-16 16:37:22,716 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:22,716 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 [2019-09-16 16:37:22,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:22,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-16 16:37:22,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:22,998 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-16 16:37:23,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:23,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-16 16:37:23,013 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-16 16:37:23,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-16 16:37:23,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:23,014 INFO L87 Difference]: Start difference. First operand 1531 states and 1815 transitions. Second operand 11 states. [2019-09-16 16:37:23,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:23,111 INFO L93 Difference]: Finished difference Result 2869 states and 3474 transitions. [2019-09-16 16:37:23,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:37:23,111 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2019-09-16 16:37:23,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:23,121 INFO L225 Difference]: With dead ends: 2869 [2019-09-16 16:37:23,121 INFO L226 Difference]: Without dead ends: 1362 [2019-09-16 16:37:23,127 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:23,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2019-09-16 16:37:23,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2019-09-16 16:37:23,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2019-09-16 16:37:23,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1617 transitions. [2019-09-16 16:37:23,231 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1617 transitions. Word has length 155 [2019-09-16 16:37:23,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:23,231 INFO L475 AbstractCegarLoop]: Abstraction has 1362 states and 1617 transitions. [2019-09-16 16:37:23,231 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-16 16:37:23,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1617 transitions. [2019-09-16 16:37:23,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-16 16:37:23,237 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:23,237 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:23,237 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:23,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:23,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1745517035, now seen corresponding path program 1 times [2019-09-16 16:37:23,238 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:23,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:23,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:23,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:23,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-16 16:37:23,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:23,382 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 [2019-09-16 16:37:23,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:23,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-16 16:37:23,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:23,743 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:37:23,750 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:37:23,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-16 16:37:23,751 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-16 16:37:23,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-16 16:37:23,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-16 16:37:23,752 INFO L87 Difference]: Start difference. First operand 1362 states and 1617 transitions. Second operand 11 states. [2019-09-16 16:37:25,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:25,897 INFO L93 Difference]: Finished difference Result 2725 states and 3416 transitions. [2019-09-16 16:37:25,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-16 16:37:25,898 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2019-09-16 16:37:25,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:25,913 INFO L225 Difference]: With dead ends: 2725 [2019-09-16 16:37:25,913 INFO L226 Difference]: Without dead ends: 1556 [2019-09-16 16:37:25,919 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-16 16:37:25,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2019-09-16 16:37:26,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1248. [2019-09-16 16:37:26,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-09-16 16:37:26,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1471 transitions. [2019-09-16 16:37:26,055 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1471 transitions. Word has length 159 [2019-09-16 16:37:26,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:26,057 INFO L475 AbstractCegarLoop]: Abstraction has 1248 states and 1471 transitions. [2019-09-16 16:37:26,058 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-16 16:37:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1471 transitions. [2019-09-16 16:37:26,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-09-16 16:37:26,068 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:26,069 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:26,069 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:26,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:26,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1602854524, now seen corresponding path program 2 times [2019-09-16 16:37:26,070 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:26,070 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:26,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:26,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:26,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-16 16:37:26,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:26,516 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 [2019-09-16 16:37:26,628 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-16 16:37:26,882 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-16 16:37:26,883 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-16 16:37:26,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-16 16:37:26,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:26,964 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-16 16:37:27,059 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:37:27,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:27,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-16 16:37:27,074 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:37:27,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:37:27,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:37:27,075 INFO L87 Difference]: Start difference. First operand 1248 states and 1471 transitions. Second operand 16 states. [2019-09-16 16:37:30,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:30,318 INFO L93 Difference]: Finished difference Result 3582 states and 4468 transitions. [2019-09-16 16:37:30,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-16 16:37:30,320 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 229 [2019-09-16 16:37:30,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:30,341 INFO L225 Difference]: With dead ends: 3582 [2019-09-16 16:37:30,341 INFO L226 Difference]: Without dead ends: 2515 [2019-09-16 16:37:30,347 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-16 16:37:30,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2019-09-16 16:37:30,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2300. [2019-09-16 16:37:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2300 states. [2019-09-16 16:37:30,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 2701 transitions. [2019-09-16 16:37:30,577 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 2701 transitions. Word has length 229 [2019-09-16 16:37:30,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:30,577 INFO L475 AbstractCegarLoop]: Abstraction has 2300 states and 2701 transitions. [2019-09-16 16:37:30,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:37:30,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2701 transitions. [2019-09-16 16:37:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-09-16 16:37:30,588 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:37:30,589 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:37:30,589 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:37:30,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:37:30,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1302818758, now seen corresponding path program 1 times [2019-09-16 16:37:30,590 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:37:30,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:37:30,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:30,593 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-16 16:37:30,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:37:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-09-16 16:37:30,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:37:30,879 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 [2019-09-16 16:37:30,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:37:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:37:31,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-16 16:37:31,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:37:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (7)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:37:31,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:37:31,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-16 16:37:31,184 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-16 16:37:31,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-16 16:37:31,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:37:31,184 INFO L87 Difference]: Start difference. First operand 2300 states and 2701 transitions. Second operand 13 states. [2019-09-16 16:37:31,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:37:31,275 INFO L93 Difference]: Finished difference Result 2935 states and 3431 transitions. [2019-09-16 16:37:31,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:37:31,276 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 229 [2019-09-16 16:37:31,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:37:31,279 INFO L225 Difference]: With dead ends: 2935 [2019-09-16 16:37:31,279 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:37:31,287 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:37:31,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:37:31,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:37:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:37:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:37:31,288 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2019-09-16 16:37:31,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:37:31,289 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:37:31,289 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-16 16:37:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:37:31,289 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:37:31,293 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:37:32,004 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 74 [2019-09-16 16:37:32,556 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 58 [2019-09-16 16:37:32,830 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-16 16:37:33,042 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 16 [2019-09-16 16:37:33,266 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 16 [2019-09-16 16:37:33,474 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-16 16:37:33,582 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 24 [2019-09-16 16:37:34,262 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 33 [2019-09-16 16:37:34,398 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2019-09-16 16:37:34,524 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 26 [2019-09-16 16:37:35,361 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2019-09-16 16:37:35,599 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-09-16 16:37:35,778 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2019-09-16 16:37:35,966 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-09-16 16:37:36,582 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2019-09-16 16:37:36,660 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-09-16 16:37:36,660 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point L398(lines 375 399) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 443) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-16 16:37:36,661 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2019-09-16 16:37:36,662 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2019-09-16 16:37:36,662 INFO L443 ceAbstractionStarter]: For program point L459(lines 432 460) no Hoare annotation was computed. [2019-09-16 16:37:36,662 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2019-09-16 16:37:36,662 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-16 16:37:36,662 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-09-16 16:37:36,662 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2019-09-16 16:37:36,662 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2019-09-16 16:37:36,662 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2019-09-16 16:37:36,662 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2019-09-16 16:37:36,663 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2019-09-16 16:37:36,663 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 739 763) the Hoare annotation is: true [2019-09-16 16:37:36,663 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 739 763) no Hoare annotation was computed. [2019-09-16 16:37:36,663 INFO L439 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (not (<= 1 ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2019-09-16 16:37:36,663 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 757) no Hoare annotation was computed. [2019-09-16 16:37:36,663 INFO L439 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (not (<= 1 ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2019-09-16 16:37:36,663 INFO L443 ceAbstractionStarter]: For program point L749-1(line 749) no Hoare annotation was computed. [2019-09-16 16:37:36,664 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 760) no Hoare annotation was computed. [2019-09-16 16:37:36,664 INFO L443 ceAbstractionStarter]: For program point L747-1(lines 739 763) no Hoare annotation was computed. [2019-09-16 16:37:36,664 INFO L446 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2019-09-16 16:37:36,664 INFO L443 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2019-09-16 16:37:36,664 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 840 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:36,664 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 840 862) no Hoare annotation was computed. [2019-09-16 16:37:36,664 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1))) [2019-09-16 16:37:36,665 INFO L439 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1))) [2019-09-16 16:37:36,665 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 857) no Hoare annotation was computed. [2019-09-16 16:37:36,665 INFO L443 ceAbstractionStarter]: For program point L850-1(lines 850 857) no Hoare annotation was computed. [2019-09-16 16:37:36,665 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-09-16 16:37:36,665 INFO L439 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:36,665 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:36,665 INFO L439 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:36,666 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 840 862) no Hoare annotation was computed. [2019-09-16 16:37:36,666 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-09-16 16:37:36,666 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 796 819) no Hoare annotation was computed. [2019-09-16 16:37:36,666 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 796 819) no Hoare annotation was computed. [2019-09-16 16:37:36,666 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 796 819) no Hoare annotation was computed. [2019-09-16 16:37:36,666 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-09-16 16:37:36,666 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-09-16 16:37:36,666 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-09-16 16:37:36,667 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-09-16 16:37:36,667 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-09-16 16:37:36,667 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-09-16 16:37:36,667 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-09-16 16:37:36,667 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-09-16 16:37:36,667 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-09-16 16:37:36,667 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-09-16 16:37:36,667 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-09-16 16:37:36,667 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-09-16 16:37:36,668 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-09-16 16:37:36,668 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2019-09-16 16:37:36,668 INFO L439 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (or (not (<= 1 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0)))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2019-09-16 16:37:36,668 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-09-16 16:37:36,668 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (or (not (<= 1 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0)))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2019-09-16 16:37:36,668 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2019-09-16 16:37:36,668 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2019-09-16 16:37:36,669 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2019-09-16 16:37:36,669 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2019-09-16 16:37:36,669 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2019-09-16 16:37:36,669 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2019-09-16 16:37:36,669 INFO L446 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: true [2019-09-16 16:37:36,669 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2019-09-16 16:37:36,669 INFO L443 ceAbstractionStarter]: For program point L263-1(line 263) no Hoare annotation was computed. [2019-09-16 16:37:36,669 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2019-09-16 16:37:36,669 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2019-09-16 16:37:36,670 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2019-09-16 16:37:36,670 INFO L443 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2019-09-16 16:37:36,670 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 216) no Hoare annotation was computed. [2019-09-16 16:37:36,670 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 201 236) no Hoare annotation was computed. [2019-09-16 16:37:36,670 INFO L443 ceAbstractionStarter]: For program point L208-2(lines 208 216) no Hoare annotation was computed. [2019-09-16 16:37:36,670 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-09-16 16:37:36,670 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 201 236) no Hoare annotation was computed. [2019-09-16 16:37:36,670 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-09-16 16:37:36,670 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 201 236) no Hoare annotation was computed. [2019-09-16 16:37:36,671 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2019-09-16 16:37:36,671 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2019-09-16 16:37:36,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2019-09-16 16:37:36,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2019-09-16 16:37:36,671 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2019-09-16 16:37:36,671 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 645) no Hoare annotation was computed. [2019-09-16 16:37:36,671 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2019-09-16 16:37:36,671 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 652) no Hoare annotation was computed. [2019-09-16 16:37:36,671 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2019-09-16 16:37:36,672 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2019-09-16 16:37:36,672 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2019-09-16 16:37:36,672 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 827 836) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:36,672 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 827 836) no Hoare annotation was computed. [2019-09-16 16:37:36,672 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 827 836) no Hoare annotation was computed. [2019-09-16 16:37:36,672 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2019-09-16 16:37:36,672 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2019-09-16 16:37:36,672 INFO L446 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2019-09-16 16:37:36,673 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-09-16 16:37:36,673 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2019-09-16 16:37:36,673 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-09-16 16:37:36,673 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2019-09-16 16:37:36,673 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2019-09-16 16:37:36,673 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2019-09-16 16:37:36,673 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 952 965) no Hoare annotation was computed. [2019-09-16 16:37:36,673 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 952 965) the Hoare annotation is: true [2019-09-16 16:37:36,673 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 952 965) no Hoare annotation was computed. [2019-09-16 16:37:36,674 INFO L439 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0))))) [2019-09-16 16:37:36,674 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 140 164) no Hoare annotation was computed. [2019-09-16 16:37:36,674 INFO L439 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-16 16:37:36,674 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 140 164) no Hoare annotation was computed. [2019-09-16 16:37:36,674 INFO L439 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-16 16:37:36,674 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 156) no Hoare annotation was computed. [2019-09-16 16:37:36,675 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 140 164) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-16 16:37:36,675 INFO L439 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-16 16:37:36,675 INFO L443 ceAbstractionStarter]: For program point L146-1(line 146) no Hoare annotation was computed. [2019-09-16 16:37:36,675 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 161) no Hoare annotation was computed. [2019-09-16 16:37:36,675 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 80 86) no Hoare annotation was computed. [2019-09-16 16:37:36,675 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 80 86) the Hoare annotation is: true [2019-09-16 16:37:36,675 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 668 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:36,675 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-16 16:37:36,676 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-09-16 16:37:36,676 INFO L443 ceAbstractionStarter]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2019-09-16 16:37:36,676 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 668 735) no Hoare annotation was computed. [2019-09-16 16:37:36,676 INFO L439 ceAbstractionStarter]: At program point L725(lines 678 727) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-16 16:37:36,676 INFO L439 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (and (= 1 ~waterLevel~0) .cse1 .cse2))) [2019-09-16 16:37:36,676 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-09-16 16:37:36,676 INFO L443 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2019-09-16 16:37:36,677 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2019-09-16 16:37:36,677 INFO L439 ceAbstractionStarter]: At program point L728(lines 677 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-16 16:37:36,677 INFO L439 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 (not (= 0 ~systemActive~0)))) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-16 16:37:36,677 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-09-16 16:37:36,677 INFO L439 ceAbstractionStarter]: At program point L716-1(lines 708 723) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-16 16:37:36,677 INFO L443 ceAbstractionStarter]: For program point L679(lines 678 727) no Hoare annotation was computed. [2019-09-16 16:37:36,677 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-16 16:37:36,678 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 723) no Hoare annotation was computed. [2019-09-16 16:37:36,678 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 668 735) no Hoare annotation was computed. [2019-09-16 16:37:36,678 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2019-09-16 16:37:36,678 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2019-09-16 16:37:36,678 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2019-09-16 16:37:36,678 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 599) no Hoare annotation was computed. [2019-09-16 16:37:36,678 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 606) no Hoare annotation was computed. [2019-09-16 16:37:36,678 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2019-09-16 16:37:36,679 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 966 974) no Hoare annotation was computed. [2019-09-16 16:37:36,679 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 966 974) the Hoare annotation is: true [2019-09-16 16:37:36,679 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 966 974) no Hoare annotation was computed. [2019-09-16 16:37:36,679 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 936) no Hoare annotation was computed. [2019-09-16 16:37:36,679 INFO L443 ceAbstractionStarter]: For program point L928-2(lines 928 936) no Hoare annotation was computed. [2019-09-16 16:37:36,679 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 920 942) no Hoare annotation was computed. [2019-09-16 16:37:36,679 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 920 942) no Hoare annotation was computed. [2019-09-16 16:37:36,679 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 920 942) no Hoare annotation was computed. [2019-09-16 16:37:36,680 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2019-09-16 16:37:36,680 INFO L443 ceAbstractionStarter]: For program point L539(lines 517 540) no Hoare annotation was computed. [2019-09-16 16:37:36,680 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 514) no Hoare annotation was computed. [2019-09-16 16:37:36,680 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 565) no Hoare annotation was computed. [2019-09-16 16:37:36,680 INFO L443 ceAbstractionStarter]: For program point L519(lines 518 538) no Hoare annotation was computed. [2019-09-16 16:37:36,680 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-09-16 16:37:36,680 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2019-09-16 16:37:36,680 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-09-16 16:37:36,680 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 556) no Hoare annotation was computed. [2019-09-16 16:37:36,681 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-09-16 16:37:36,681 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-09-16 16:37:36,681 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2019-09-16 16:37:36,681 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 497) no Hoare annotation was computed. [2019-09-16 16:37:36,681 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 568) no Hoare annotation was computed. [2019-09-16 16:37:36,681 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-09-16 16:37:36,681 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2019-09-16 16:37:36,681 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2019-09-16 16:37:36,681 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2019-09-16 16:37:36,682 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2019-09-16 16:37:36,682 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,682 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)) [2019-09-16 16:37:36,682 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,682 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 165 172) no Hoare annotation was computed. [2019-09-16 16:37:36,682 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 165 172) no Hoare annotation was computed. [2019-09-16 16:37:36,682 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 165 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-16 16:37:36,682 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2019-09-16 16:37:36,683 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-09-16 16:37:36,683 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2019-09-16 16:37:36,683 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2019-09-16 16:37:36,683 INFO L446 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2019-09-16 16:37:36,683 INFO L443 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2019-09-16 16:37:36,683 INFO L443 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2019-09-16 16:37:36,683 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 943 951) the Hoare annotation is: true [2019-09-16 16:37:36,683 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 943 951) no Hoare annotation was computed. [2019-09-16 16:37:36,684 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 943 951) no Hoare annotation was computed. [2019-09-16 16:37:36,684 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,684 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,684 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,684 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 899 910) the Hoare annotation is: true [2019-09-16 16:37:36,684 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 899 910) no Hoare annotation was computed. [2019-09-16 16:37:36,684 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 899 910) no Hoare annotation was computed. [2019-09-16 16:37:36,684 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 911 919) the Hoare annotation is: true [2019-09-16 16:37:36,684 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 911 919) no Hoare annotation was computed. [2019-09-16 16:37:36,685 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 911 919) no Hoare annotation was computed. [2019-09-16 16:37:36,685 INFO L439 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2019-09-16 16:37:36,685 INFO L443 ceAbstractionStarter]: For program point L60(lines 59 78) no Hoare annotation was computed. [2019-09-16 16:37:36,685 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 79) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))))) [2019-09-16 16:37:36,685 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 79) no Hoare annotation was computed. [2019-09-16 16:37:36,685 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 79) no Hoare annotation was computed. [2019-09-16 16:37:36,685 INFO L439 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) (not (<= 1 |old(~waterLevel~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) (let ((.cse0 (+ ~waterLevel~0 1))) (and (<= .cse0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| .cse0))) (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)))) [2019-09-16 16:37:36,686 INFO L439 ceAbstractionStarter]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse3 .cse5))) (and (or (or .cse0 .cse1) .cse2 (and (<= 1 ~pumpRunning~0) .cse3 (not (= 0 ~systemActive~0)))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) .cse1 (let ((.cse4 (+ ~waterLevel~0 1))) (and (<= .cse4 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse4) .cse5))) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1)))))) [2019-09-16 16:37:36,686 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 766 795) no Hoare annotation was computed. [2019-09-16 16:37:36,686 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 766 795) the Hoare annotation is: true [2019-09-16 16:37:36,686 INFO L446 ceAbstractionStarter]: At program point L791(lines 766 795) the Hoare annotation is: true [2019-09-16 16:37:36,686 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-09-16 16:37:36,686 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 784) no Hoare annotation was computed. [2019-09-16 16:37:36,686 INFO L446 ceAbstractionStarter]: At program point L780-1(lines 780 784) the Hoare annotation is: true [2019-09-16 16:37:36,687 INFO L443 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2019-09-16 16:37:36,687 INFO L446 ceAbstractionStarter]: At program point L776-2(lines 776 790) the Hoare annotation is: true [2019-09-16 16:37:36,687 INFO L446 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2019-09-16 16:37:36,687 INFO L443 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2019-09-16 16:37:36,687 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 875 886) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= ~systemActive~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) [2019-09-16 16:37:36,687 INFO L443 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2019-09-16 16:37:36,687 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 875 886) no Hoare annotation was computed. [2019-09-16 16:37:36,687 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 820 826) no Hoare annotation was computed. [2019-09-16 16:37:36,688 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 820 826) the Hoare annotation is: true [2019-09-16 16:37:36,688 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,688 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-16 16:37:36,688 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:37:36,688 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:37:36,688 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2019-09-16 16:37:36,688 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: true [2019-09-16 16:37:36,688 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2019-09-16 16:37:36,688 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 88 112) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-09-16 16:37:36,689 INFO L443 ceAbstractionStarter]: For program point L96(lines 96 104) no Hoare annotation was computed. [2019-09-16 16:37:36,689 INFO L439 ceAbstractionStarter]: At program point L94(line 94) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-09-16 16:37:36,689 INFO L443 ceAbstractionStarter]: For program point L94-1(line 94) no Hoare annotation was computed. [2019-09-16 16:37:36,689 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 109) no Hoare annotation was computed. [2019-09-16 16:37:36,689 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 88 112) no Hoare annotation was computed. [2019-09-16 16:37:36,689 INFO L439 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-16 16:37:36,689 INFO L443 ceAbstractionStarter]: For program point L107-1(lines 88 112) no Hoare annotation was computed. [2019-09-16 16:37:36,689 INFO L439 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0))) [2019-09-16 16:37:36,690 INFO L439 ceAbstractionStarter]: At program point L98(line 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0))) [2019-09-16 16:37:36,690 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 887 898) no Hoare annotation was computed. [2019-09-16 16:37:36,690 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2019-09-16 16:37:36,690 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-16 16:37:36,690 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 864 871) no Hoare annotation was computed. [2019-09-16 16:37:36,690 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 864 871) the Hoare annotation is: true [2019-09-16 16:37:36,690 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-09-16 16:37:36,690 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 864 871) no Hoare annotation was computed. [2019-09-16 16:37:36,690 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-16 16:37:36,691 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 114 138) no Hoare annotation was computed. [2019-09-16 16:37:36,691 INFO L439 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~1)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-16 16:37:36,691 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 114 138) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-16 16:37:36,691 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-09-16 16:37:36,691 INFO L439 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-16 16:37:36,691 INFO L443 ceAbstractionStarter]: For program point L120-1(line 120) no Hoare annotation was computed. [2019-09-16 16:37:36,691 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 135) no Hoare annotation was computed. [2019-09-16 16:37:36,692 INFO L439 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0))))) [2019-09-16 16:37:36,692 INFO L443 ceAbstractionStarter]: For program point L133-1(lines 114 138) no Hoare annotation was computed. [2019-09-16 16:37:36,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:37:36 BoogieIcfgContainer [2019-09-16 16:37:36,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:37:36,707 INFO L168 Benchmark]: Toolchain (without parser) took 25590.66 ms. Allocated memory was 134.7 MB in the beginning and 685.8 MB in the end (delta: 551.0 MB). Free memory was 87.4 MB in the beginning and 406.6 MB in the end (delta: -319.1 MB). Peak memory consumption was 497.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,707 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 688.90 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 87.2 MB in the beginning and 163.8 MB in the end (delta: -76.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,709 INFO L168 Benchmark]: Boogie Preprocessor took 81.92 ms. Allocated memory is still 199.8 MB. Free memory was 163.8 MB in the beginning and 159.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,710 INFO L168 Benchmark]: RCFGBuilder took 1162.51 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 159.5 MB in the beginning and 189.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,711 INFO L168 Benchmark]: TraceAbstraction took 23652.99 ms. Allocated memory was 226.0 MB in the beginning and 685.8 MB in the end (delta: 459.8 MB). Free memory was 188.0 MB in the beginning and 406.6 MB in the end (delta: -218.5 MB). Peak memory consumption was 506.4 MB. Max. memory is 7.1 GB. [2019-09-16 16:37:36,715 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 134.7 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 688.90 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 87.2 MB in the beginning and 163.8 MB in the end (delta: -76.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.92 ms. Allocated memory is still 199.8 MB. Free memory was 163.8 MB in the beginning and 159.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1162.51 ms. Allocated memory was 199.8 MB in the beginning and 226.0 MB in the end (delta: 26.2 MB). Free memory was 159.5 MB in the beginning and 189.4 MB in the end (delta: -29.9 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23652.99 ms. Allocated memory was 226.0 MB in the beginning and 685.8 MB in the end (delta: 459.8 MB). Free memory was 188.0 MB in the beginning and 406.6 MB in the end (delta: -218.5 MB). Peak memory consumption was 506.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 868]: 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: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && 0 == splverifierCounter) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 255 locations, 1 error locations. SAFE Result, 23.5s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 12.1s AutomataDifference, 0.0s DeadEndRemovalTime, 5.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2248 SDtfs, 3293 SDslu, 7427 SDs, 0 SdLazy, 9351 SolverSat, 2201 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1218 GetRequests, 1053 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2300occurred 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: 1.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 1009 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 4470 PreInvPairs, 4584 NumberOfFragments, 1335 HoareAnnotationTreeSize, 4470 FomulaSimplifications, 40272 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 71 FomulaSimplificationsInter, 15397 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2277 NumberOfCodeBlocks, 2277 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2260 ConstructedInterpolants, 0 QuantifiedInterpolants, 553392 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5603 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 736/830 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...