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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:43,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:43,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:43,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:43,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:43,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:43,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:43,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:43,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:43,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:43,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:43,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:43,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:43,885 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:43,886 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:43,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:43,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:43,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:43,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:43,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:43,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:43,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:43,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:43,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:43,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:43,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:43,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:43,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:43,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:43,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:43,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:43,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:43,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:43,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:43,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:43,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:43,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:43,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:43,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:43,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:43,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:43,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:43,938 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:43,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:43,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:43,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:43,940 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:43,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:43,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:43,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:43,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:43,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:43,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:43,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:43,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:43,943 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:43,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:43,943 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:43,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:43,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:43,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:43,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:43,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:43,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:43,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:43,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:43,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:43,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:43,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:43,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:43,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:44,219 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:44,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:44,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:44,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:44,238 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:44,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2019-10-13 21:22:44,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c1e5281/752f5bc7fb2d49a5b0de8c895015332b/FLAG1c3eecfb4 [2019-10-13 21:22:44,791 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:44,792 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2019-10-13 21:22:44,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c1e5281/752f5bc7fb2d49a5b0de8c895015332b/FLAG1c3eecfb4 [2019-10-13 21:22:45,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17c1e5281/752f5bc7fb2d49a5b0de8c895015332b [2019-10-13 21:22:45,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:45,138 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:45,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:45,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:45,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:45,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef0d72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45, skipping insertion in model container [2019-10-13 21:22:45,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,155 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:45,220 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:45,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:45,658 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:45,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:45,818 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:45,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45 WrapperNode [2019-10-13 21:22:45,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:45,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:45,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:45,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:45,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... [2019-10-13 21:22:45,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:45,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:45,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:45,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:45,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:45,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:45,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:45,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:45,990 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:45,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:45,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:45,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:45,996 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:45,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:45,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:46,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:46,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:46,010 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:47,213 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:47,213 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:47,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:47 BoogieIcfgContainer [2019-10-13 21:22:47,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:47,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:47,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:47,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:47,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:45" (1/3) ... [2019-10-13 21:22:47,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f199e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:47, skipping insertion in model container [2019-10-13 21:22:47,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:45" (2/3) ... [2019-10-13 21:22:47,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f199e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:47, skipping insertion in model container [2019-10-13 21:22:47,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:47" (3/3) ... [2019-10-13 21:22:47,225 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2019-10-13 21:22:47,235 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:47,244 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:47,255 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:47,295 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:47,295 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:47,296 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:47,296 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:47,296 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:47,296 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:47,297 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:47,297 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:47,327 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2019-10-13 21:22:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:47,336 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:47,337 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:47,339 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:47,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:47,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1347369271, now seen corresponding path program 1 times [2019-10-13 21:22:47,353 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:47,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243214761] [2019-10-13 21:22:47,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:47,739 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243214761] [2019-10-13 21:22:47,746 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:47,747 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:47,747 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344428166] [2019-10-13 21:22:47,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:47,757 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:47,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:47,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:47,781 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 2 states. [2019-10-13 21:22:47,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:47,842 INFO L93 Difference]: Finished difference Result 290 states and 357 transitions. [2019-10-13 21:22:47,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:47,846 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:47,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:47,867 INFO L225 Difference]: With dead ends: 290 [2019-10-13 21:22:47,867 INFO L226 Difference]: Without dead ends: 147 [2019-10-13 21:22:47,873 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:47,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-13 21:22:47,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-10-13 21:22:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-10-13 21:22:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2019-10-13 21:22:47,931 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2019-10-13 21:22:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:47,934 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2019-10-13 21:22:47,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2019-10-13 21:22:47,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:47,938 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:47,938 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:47,939 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:47,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:47,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1814034675, now seen corresponding path program 1 times [2019-10-13 21:22:47,939 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:47,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455410351] [2019-10-13 21:22:47,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:47,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:48,071 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455410351] [2019-10-13 21:22:48,071 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:48,071 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:48,072 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358094756] [2019-10-13 21:22:48,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:48,074 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:48,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:48,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:48,074 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 3 states. [2019-10-13 21:22:48,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:48,099 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2019-10-13 21:22:48,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:48,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:48,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:48,103 INFO L225 Difference]: With dead ends: 235 [2019-10-13 21:22:48,103 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 21:22:48,104 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:48,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 21:22:48,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-10-13 21:22:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-13 21:22:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 160 transitions. [2019-10-13 21:22:48,122 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 160 transitions. Word has length 60 [2019-10-13 21:22:48,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:48,123 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 160 transitions. [2019-10-13 21:22:48,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:48,123 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 160 transitions. [2019-10-13 21:22:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:22:48,125 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:48,126 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:48,126 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:48,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:48,126 INFO L82 PathProgramCache]: Analyzing trace with hash -1518926539, now seen corresponding path program 1 times [2019-10-13 21:22:48,127 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:48,127 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564640093] [2019-10-13 21:22:48,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:48,271 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564640093] [2019-10-13 21:22:48,272 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:48,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:48,272 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317335765] [2019-10-13 21:22:48,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:48,273 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:48,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:48,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:48,274 INFO L87 Difference]: Start difference. First operand 138 states and 160 transitions. Second operand 7 states. [2019-10-13 21:22:48,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:48,629 INFO L93 Difference]: Finished difference Result 248 states and 293 transitions. [2019-10-13 21:22:48,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:48,629 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:22:48,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:48,632 INFO L225 Difference]: With dead ends: 248 [2019-10-13 21:22:48,632 INFO L226 Difference]: Without dead ends: 138 [2019-10-13 21:22:48,634 INFO L600 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 [2019-10-13 21:22:48,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-13 21:22:48,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-10-13 21:22:48,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-10-13 21:22:48,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 159 transitions. [2019-10-13 21:22:48,651 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 159 transitions. Word has length 65 [2019-10-13 21:22:48,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:48,653 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 159 transitions. [2019-10-13 21:22:48,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:48,653 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 159 transitions. [2019-10-13 21:22:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-13 21:22:48,656 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:48,657 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:48,657 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:48,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:48,678 INFO L82 PathProgramCache]: Analyzing trace with hash 793046871, now seen corresponding path program 1 times [2019-10-13 21:22:48,679 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:48,679 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466697385] [2019-10-13 21:22:48,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:48,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:48,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:48,809 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466697385] [2019-10-13 21:22:48,810 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:48,810 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:48,810 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500857649] [2019-10-13 21:22:48,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:48,811 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:48,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:48,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:48,812 INFO L87 Difference]: Start difference. First operand 138 states and 159 transitions. Second operand 5 states. [2019-10-13 21:22:49,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:49,339 INFO L93 Difference]: Finished difference Result 364 states and 436 transitions. [2019-10-13 21:22:49,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:49,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2019-10-13 21:22:49,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:49,348 INFO L225 Difference]: With dead ends: 364 [2019-10-13 21:22:49,348 INFO L226 Difference]: Without dead ends: 254 [2019-10-13 21:22:49,350 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:49,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-10-13 21:22:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2019-10-13 21:22:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2019-10-13 21:22:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2019-10-13 21:22:49,406 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 78 [2019-10-13 21:22:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:49,407 INFO L462 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2019-10-13 21:22:49,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:49,407 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2019-10-13 21:22:49,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:49,409 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:49,409 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:49,409 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:49,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:49,410 INFO L82 PathProgramCache]: Analyzing trace with hash -856462191, now seen corresponding path program 1 times [2019-10-13 21:22:49,410 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:49,410 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035021659] [2019-10-13 21:22:49,410 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:49,411 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:49,411 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:49,565 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035021659] [2019-10-13 21:22:49,565 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:49,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:49,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833173707] [2019-10-13 21:22:49,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:49,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:49,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:49,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:49,569 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 7 states. [2019-10-13 21:22:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:50,162 INFO L93 Difference]: Finished difference Result 460 states and 539 transitions. [2019-10-13 21:22:50,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:50,163 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2019-10-13 21:22:50,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:50,167 INFO L225 Difference]: With dead ends: 460 [2019-10-13 21:22:50,167 INFO L226 Difference]: Without dead ends: 253 [2019-10-13 21:22:50,168 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:50,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2019-10-13 21:22:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 234. [2019-10-13 21:22:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-10-13 21:22:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 264 transitions. [2019-10-13 21:22:50,188 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 264 transitions. Word has length 92 [2019-10-13 21:22:50,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:50,189 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 264 transitions. [2019-10-13 21:22:50,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 264 transitions. [2019-10-13 21:22:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:22:50,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:50,193 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:50,193 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:50,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:50,196 INFO L82 PathProgramCache]: Analyzing trace with hash -357754488, now seen corresponding path program 1 times [2019-10-13 21:22:50,196 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:50,197 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728903148] [2019-10-13 21:22:50,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:50,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:50,320 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728903148] [2019-10-13 21:22:50,321 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:50,321 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:50,321 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793696660] [2019-10-13 21:22:50,323 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:50,323 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:50,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:50,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:50,324 INFO L87 Difference]: Start difference. First operand 234 states and 264 transitions. Second operand 6 states. [2019-10-13 21:22:50,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:50,398 INFO L93 Difference]: Finished difference Result 447 states and 516 transitions. [2019-10-13 21:22:50,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:50,398 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2019-10-13 21:22:50,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:50,406 INFO L225 Difference]: With dead ends: 447 [2019-10-13 21:22:50,406 INFO L226 Difference]: Without dead ends: 241 [2019-10-13 21:22:50,407 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:50,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2019-10-13 21:22:50,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239. [2019-10-13 21:22:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2019-10-13 21:22:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 269 transitions. [2019-10-13 21:22:50,443 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 269 transitions. Word has length 108 [2019-10-13 21:22:50,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:50,444 INFO L462 AbstractCegarLoop]: Abstraction has 239 states and 269 transitions. [2019-10-13 21:22:50,444 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 269 transitions. [2019-10-13 21:22:50,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:22:50,447 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:50,447 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:50,447 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:50,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:50,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1570518214, now seen corresponding path program 1 times [2019-10-13 21:22:50,448 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:50,448 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531829260] [2019-10-13 21:22:50,448 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,448 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:50,571 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531829260] [2019-10-13 21:22:50,572 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:50,572 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:50,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137952935] [2019-10-13 21:22:50,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:50,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:50,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:50,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:50,574 INFO L87 Difference]: Start difference. First operand 239 states and 269 transitions. Second operand 8 states. [2019-10-13 21:22:50,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:50,611 INFO L93 Difference]: Finished difference Result 457 states and 527 transitions. [2019-10-13 21:22:50,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:50,611 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-13 21:22:50,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:50,613 INFO L225 Difference]: With dead ends: 457 [2019-10-13 21:22:50,614 INFO L226 Difference]: Without dead ends: 246 [2019-10-13 21:22:50,615 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2019-10-13 21:22:50,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 243. [2019-10-13 21:22:50,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2019-10-13 21:22:50,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 273 transitions. [2019-10-13 21:22:50,642 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 273 transitions. Word has length 108 [2019-10-13 21:22:50,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:50,644 INFO L462 AbstractCegarLoop]: Abstraction has 243 states and 273 transitions. [2019-10-13 21:22:50,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:50,644 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 273 transitions. [2019-10-13 21:22:50,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:22:50,646 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:50,647 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:50,648 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:50,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:50,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1329978085, now seen corresponding path program 1 times [2019-10-13 21:22:50,650 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:50,650 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907884854] [2019-10-13 21:22:50,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,651 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:50,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:50,728 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907884854] [2019-10-13 21:22:50,728 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:50,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:50,729 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764543918] [2019-10-13 21:22:50,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:50,730 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:50,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:50,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:50,731 INFO L87 Difference]: Start difference. First operand 243 states and 273 transitions. Second operand 4 states. [2019-10-13 21:22:50,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:50,954 INFO L93 Difference]: Finished difference Result 695 states and 818 transitions. [2019-10-13 21:22:50,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:50,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-10-13 21:22:50,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:50,958 INFO L225 Difference]: With dead ends: 695 [2019-10-13 21:22:50,958 INFO L226 Difference]: Without dead ends: 480 [2019-10-13 21:22:50,961 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:50,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2019-10-13 21:22:50,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 471. [2019-10-13 21:22:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2019-10-13 21:22:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 544 transitions. [2019-10-13 21:22:50,993 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 544 transitions. Word has length 108 [2019-10-13 21:22:50,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:50,996 INFO L462 AbstractCegarLoop]: Abstraction has 471 states and 544 transitions. [2019-10-13 21:22:50,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:50,996 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 544 transitions. [2019-10-13 21:22:50,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-10-13 21:22:50,998 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:50,998 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:50,998 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:50,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:50,998 INFO L82 PathProgramCache]: Analyzing trace with hash 825673247, now seen corresponding path program 1 times [2019-10-13 21:22:50,999 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:50,999 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342075029] [2019-10-13 21:22:50,999 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,999 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:51,219 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342075029] [2019-10-13 21:22:51,221 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:51,223 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:51,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966458934] [2019-10-13 21:22:51,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:51,224 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:51,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:51,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:51,225 INFO L87 Difference]: Start difference. First operand 471 states and 544 transitions. Second operand 9 states. [2019-10-13 21:22:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:52,226 INFO L93 Difference]: Finished difference Result 1244 states and 1500 transitions. [2019-10-13 21:22:52,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:52,228 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2019-10-13 21:22:52,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:52,233 INFO L225 Difference]: With dead ends: 1244 [2019-10-13 21:22:52,233 INFO L226 Difference]: Without dead ends: 873 [2019-10-13 21:22:52,235 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:52,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2019-10-13 21:22:52,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 792. [2019-10-13 21:22:52,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2019-10-13 21:22:52,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 904 transitions. [2019-10-13 21:22:52,286 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 904 transitions. Word has length 112 [2019-10-13 21:22:52,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:52,287 INFO L462 AbstractCegarLoop]: Abstraction has 792 states and 904 transitions. [2019-10-13 21:22:52,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 904 transitions. [2019-10-13 21:22:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 21:22:52,319 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:52,319 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:52,319 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:52,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:52,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1258980138, now seen corresponding path program 1 times [2019-10-13 21:22:52,320 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:52,321 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488734793] [2019-10-13 21:22:52,321 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,321 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 21:22:52,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488734793] [2019-10-13 21:22:52,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011202489] [2019-10-13 21:22:52,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:52,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:52,819 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:53,257 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 21:22:53,257 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2130849701] [2019-10-13 21:22:53,263 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 173 [2019-10-13 21:22:53,302 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:53,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:53,364 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:53,366 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 0. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:53,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:53,370 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:53,428 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:53,428 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:53,432 INFO L553 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2019-10-13 21:22:53,432 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:53,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:53,433 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:53,434 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358659790] [2019-10-13 21:22:53,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:53,435 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:53,435 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:53,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:53,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:53,436 INFO L87 Difference]: Start difference. First operand 792 states and 904 transitions. Second operand 2 states. [2019-10-13 21:22:53,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:53,446 INFO L93 Difference]: Finished difference Result 792 states and 904 transitions. [2019-10-13 21:22:53,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:53,446 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-10-13 21:22:53,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:53,447 INFO L225 Difference]: With dead ends: 792 [2019-10-13 21:22:53,447 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:53,449 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:53,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:53,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:53,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:53,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-10-13 21:22:53,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:53,450 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:53,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:53,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:53,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:53,657 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:53,662 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:53,977 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 284) no Hoare annotation was computed. [2019-10-13 21:22:53,978 INFO L443 ceAbstractionStarter]: For program point L280-1(lines 280 284) no Hoare annotation was computed. [2019-10-13 21:22:53,978 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:22:53,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 249 304) no Hoare annotation was computed. [2019-10-13 21:22:53,978 INFO L443 ceAbstractionStarter]: For program point L274-2(lines 274 295) no Hoare annotation was computed. [2019-10-13 21:22:53,978 INFO L443 ceAbstractionStarter]: For program point L296(lines 273 297) no Hoare annotation was computed. [2019-10-13 21:22:53,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 249 304) no Hoare annotation was computed. [2019-10-13 21:22:53,978 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 249 304) no Hoare annotation was computed. [2019-10-13 21:22:53,979 INFO L443 ceAbstractionStarter]: For program point L350(line 350) no Hoare annotation was computed. [2019-10-13 21:22:53,979 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-10-13 21:22:53,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 305 364) no Hoare annotation was computed. [2019-10-13 21:22:53,979 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2019-10-13 21:22:53,979 INFO L443 ceAbstractionStarter]: For program point L337-1(lines 337 341) no Hoare annotation was computed. [2019-10-13 21:22:53,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 305 364) no Hoare annotation was computed. [2019-10-13 21:22:53,979 INFO L443 ceAbstractionStarter]: For program point L332(line 332) no Hoare annotation was computed. [2019-10-13 21:22:53,979 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 305 364) no Hoare annotation was computed. [2019-10-13 21:22:53,979 INFO L443 ceAbstractionStarter]: For program point L331-2(lines 331 356) no Hoare annotation was computed. [2019-10-13 21:22:53,980 INFO L443 ceAbstractionStarter]: For program point L357(lines 330 358) no Hoare annotation was computed. [2019-10-13 21:22:53,980 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 679 685) the Hoare annotation is: true [2019-10-13 21:22:53,980 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 679 685) no Hoare annotation was computed. [2019-10-13 21:22:53,980 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 686 694) no Hoare annotation was computed. [2019-10-13 21:22:53,980 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 686 694) the Hoare annotation is: true [2019-10-13 21:22:53,980 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 686 694) no Hoare annotation was computed. [2019-10-13 21:22:53,980 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 21:22:53,981 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:22:53,981 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:22:53,981 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-13 21:22:53,981 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:22:53,982 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 21:22:53,982 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:22:53,982 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-13 21:22:53,982 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-13 21:22:53,983 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:22:53,983 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:22:53,983 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-13 21:22:53,983 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:22:53,983 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-13 21:22:53,983 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-13 21:22:53,983 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:22:53,983 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-13 21:22:53,983 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-13 21:22:53,984 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: true [2019-10-13 21:22:53,984 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-10-13 21:22:53,984 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2019-10-13 21:22:53,985 INFO L446 ceAbstractionStarter]: At program point L185-1(line 185) the Hoare annotation is: true [2019-10-13 21:22:53,985 INFO L443 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2019-10-13 21:22:53,986 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2019-10-13 21:22:53,986 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-13 21:22:53,986 INFO L446 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: true [2019-10-13 21:22:53,986 INFO L446 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2019-10-13 21:22:53,986 INFO L446 ceAbstractionStarter]: At program point L179-1(line 179) the Hoare annotation is: true [2019-10-13 21:22:53,986 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2019-10-13 21:22:53,986 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2019-10-13 21:22:53,987 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2019-10-13 21:22:53,987 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2019-10-13 21:22:53,987 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-13 21:22:53,987 INFO L443 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2019-10-13 21:22:53,987 INFO L443 ceAbstractionStarter]: For program point L143(line 143) no Hoare annotation was computed. [2019-10-13 21:22:53,987 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-13 21:22:53,987 INFO L443 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2019-10-13 21:22:53,988 INFO L443 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2019-10-13 21:22:53,988 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-13 21:22:53,988 INFO L443 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2019-10-13 21:22:53,988 INFO L443 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2019-10-13 21:22:53,988 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-13 21:22:53,988 INFO L443 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2019-10-13 21:22:53,988 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-13 21:22:53,988 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-13 21:22:53,989 INFO L443 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2019-10-13 21:22:53,989 INFO L446 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2019-10-13 21:22:53,989 INFO L443 ceAbstractionStarter]: For program point L765-1(lines 746 770) no Hoare annotation was computed. [2019-10-13 21:22:53,989 INFO L446 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2019-10-13 21:22:53,989 INFO L446 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: true [2019-10-13 21:22:53,989 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 762) no Hoare annotation was computed. [2019-10-13 21:22:53,989 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 746 770) the Hoare annotation is: true [2019-10-13 21:22:53,990 INFO L446 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: true [2019-10-13 21:22:53,990 INFO L443 ceAbstractionStarter]: For program point L752-1(line 752) no Hoare annotation was computed. [2019-10-13 21:22:53,990 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 767) no Hoare annotation was computed. [2019-10-13 21:22:53,990 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 746 770) no Hoare annotation was computed. [2019-10-13 21:22:53,990 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 841 849) no Hoare annotation was computed. [2019-10-13 21:22:53,990 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 841 849) the Hoare annotation is: true [2019-10-13 21:22:53,990 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 841 849) no Hoare annotation was computed. [2019-10-13 21:22:53,990 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 865) no Hoare annotation was computed. [2019-10-13 21:22:53,990 INFO L443 ceAbstractionStarter]: For program point L857-2(lines 857 865) no Hoare annotation was computed. [2019-10-13 21:22:53,991 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-13 21:22:53,991 INFO L443 ceAbstractionStarter]: For program point L880-1(line 880) no Hoare annotation was computed. [2019-10-13 21:22:53,991 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 850 885) no Hoare annotation was computed. [2019-10-13 21:22:53,991 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 850 885) no Hoare annotation was computed. [2019-10-13 21:22:53,992 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 877) no Hoare annotation was computed. [2019-10-13 21:22:53,992 INFO L443 ceAbstractionStarter]: For program point L869-2(lines 869 877) no Hoare annotation was computed. [2019-10-13 21:22:53,992 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 850 885) no Hoare annotation was computed. [2019-10-13 21:22:53,992 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 672 678) no Hoare annotation was computed. [2019-10-13 21:22:53,992 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 672 678) the Hoare annotation is: true [2019-10-13 21:22:53,992 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 203 248) no Hoare annotation was computed. [2019-10-13 21:22:53,992 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 203 248) no Hoare annotation was computed. [2019-10-13 21:22:53,992 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 203 248) no Hoare annotation was computed. [2019-10-13 21:22:53,993 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 516 561) no Hoare annotation was computed. [2019-10-13 21:22:53,993 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 543) no Hoare annotation was computed. [2019-10-13 21:22:53,993 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 550) no Hoare annotation was computed. [2019-10-13 21:22:53,993 INFO L443 ceAbstractionStarter]: For program point L530-1(lines 530 550) no Hoare annotation was computed. [2019-10-13 21:22:53,993 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 516 561) no Hoare annotation was computed. [2019-10-13 21:22:53,993 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 516 561) no Hoare annotation was computed. [2019-10-13 21:22:53,993 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: true [2019-10-13 21:22:53,993 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2019-10-13 21:22:53,994 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2019-10-13 21:22:53,994 INFO L446 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: true [2019-10-13 21:22:53,994 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 830 840) the Hoare annotation is: true [2019-10-13 21:22:53,994 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 830 840) no Hoare annotation was computed. [2019-10-13 21:22:53,994 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 830 840) no Hoare annotation was computed. [2019-10-13 21:22:53,994 INFO L446 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2019-10-13 21:22:53,994 INFO L443 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2019-10-13 21:22:53,994 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 822 829) the Hoare annotation is: true [2019-10-13 21:22:53,995 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 822 829) no Hoare annotation was computed. [2019-10-13 21:22:53,995 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 822 829) no Hoare annotation was computed. [2019-10-13 21:22:53,995 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2019-10-13 21:22:53,995 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2019-10-13 21:22:53,995 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2019-10-13 21:22:53,995 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2019-10-13 21:22:53,995 INFO L446 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: true [2019-10-13 21:22:53,995 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 772 796) no Hoare annotation was computed. [2019-10-13 21:22:53,995 INFO L443 ceAbstractionStarter]: For program point L791-1(lines 772 796) no Hoare annotation was computed. [2019-10-13 21:22:53,996 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 772 796) the Hoare annotation is: true [2019-10-13 21:22:53,996 INFO L446 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2019-10-13 21:22:53,996 INFO L446 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2019-10-13 21:22:53,996 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 788) no Hoare annotation was computed. [2019-10-13 21:22:53,996 INFO L446 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: true [2019-10-13 21:22:53,996 INFO L443 ceAbstractionStarter]: For program point L778-1(line 778) no Hoare annotation was computed. [2019-10-13 21:22:53,996 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 793) no Hoare annotation was computed. [2019-10-13 21:22:53,996 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 738 744) no Hoare annotation was computed. [2019-10-13 21:22:53,997 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 738 744) the Hoare annotation is: true [2019-10-13 21:22:53,997 INFO L446 ceAbstractionStarter]: At program point L962-2(lines 954 967) the Hoare annotation is: true [2019-10-13 21:22:53,997 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 914 979) the Hoare annotation is: true [2019-10-13 21:22:53,997 INFO L443 ceAbstractionStarter]: For program point L925(lines 924 971) no Hoare annotation was computed. [2019-10-13 21:22:53,997 INFO L446 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: true [2019-10-13 21:22:53,997 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 967) no Hoare annotation was computed. [2019-10-13 21:22:53,997 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 914 979) no Hoare annotation was computed. [2019-10-13 21:22:53,997 INFO L446 ceAbstractionStarter]: At program point L946(line 946) the Hoare annotation is: true [2019-10-13 21:22:53,997 INFO L443 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2019-10-13 21:22:53,998 INFO L443 ceAbstractionStarter]: For program point L944-1(lines 944 950) no Hoare annotation was computed. [2019-10-13 21:22:53,998 INFO L446 ceAbstractionStarter]: At program point L969(lines 924 971) the Hoare annotation is: true [2019-10-13 21:22:53,998 INFO L446 ceAbstractionStarter]: At program point L936(line 936) the Hoare annotation is: true [2019-10-13 21:22:53,998 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 940) no Hoare annotation was computed. [2019-10-13 21:22:53,998 INFO L443 ceAbstractionStarter]: For program point L934-1(lines 934 940) no Hoare annotation was computed. [2019-10-13 21:22:53,998 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 930) no Hoare annotation was computed. [2019-10-13 21:22:53,998 INFO L446 ceAbstractionStarter]: At program point L972(lines 923 973) the Hoare annotation is: true [2019-10-13 21:22:53,998 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 914 979) no Hoare annotation was computed. [2019-10-13 21:22:53,999 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 966) no Hoare annotation was computed. [2019-10-13 21:22:53,999 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 470 515) no Hoare annotation was computed. [2019-10-13 21:22:53,999 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 470 515) no Hoare annotation was computed. [2019-10-13 21:22:53,999 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 470 515) no Hoare annotation was computed. [2019-10-13 21:22:53,999 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 497) no Hoare annotation was computed. [2019-10-13 21:22:53,999 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 504) no Hoare annotation was computed. [2019-10-13 21:22:53,999 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 484 504) no Hoare annotation was computed. [2019-10-13 21:22:53,999 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 797 804) the Hoare annotation is: true [2019-10-13 21:22:53,999 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 797 804) no Hoare annotation was computed. [2019-10-13 21:22:54,000 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 797 804) no Hoare annotation was computed. [2019-10-13 21:22:54,000 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 630) no Hoare annotation was computed. [2019-10-13 21:22:54,000 INFO L443 ceAbstractionStarter]: For program point L622-2(lines 622 630) no Hoare annotation was computed. [2019-10-13 21:22:54,000 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 614 636) no Hoare annotation was computed. [2019-10-13 21:22:54,000 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 614 636) no Hoare annotation was computed. [2019-10-13 21:22:54,000 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 614 636) no Hoare annotation was computed. [2019-10-13 21:22:54,000 INFO L443 ceAbstractionStarter]: For program point L417(lines 416 436) no Hoare annotation was computed. [2019-10-13 21:22:54,000 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-13 21:22:54,001 INFO L443 ceAbstractionStarter]: For program point L448-1(line 448) no Hoare annotation was computed. [2019-10-13 21:22:54,001 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 367 469) no Hoare annotation was computed. [2019-10-13 21:22:54,001 INFO L443 ceAbstractionStarter]: For program point L413(lines 413 454) no Hoare annotation was computed. [2019-10-13 21:22:54,001 INFO L443 ceAbstractionStarter]: For program point L432(line 432) no Hoare annotation was computed. [2019-10-13 21:22:54,001 INFO L443 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2019-10-13 21:22:54,002 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-10-13 21:22:54,002 INFO L443 ceAbstractionStarter]: For program point L455(lines 455 466) no Hoare annotation was computed. [2019-10-13 21:22:54,002 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 367 469) no Hoare annotation was computed. [2019-10-13 21:22:54,002 INFO L443 ceAbstractionStarter]: For program point L418(lines 418 422) no Hoare annotation was computed. [2019-10-13 21:22:54,002 INFO L443 ceAbstractionStarter]: For program point L416-2(lines 416 436) no Hoare annotation was computed. [2019-10-13 21:22:54,002 INFO L443 ceAbstractionStarter]: For program point L437(lines 415 438) no Hoare annotation was computed. [2019-10-13 21:22:54,002 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 367 469) no Hoare annotation was computed. [2019-10-13 21:22:54,002 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 412) no Hoare annotation was computed. [2019-10-13 21:22:54,003 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 463) no Hoare annotation was computed. [2019-10-13 21:22:54,003 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 662 671) no Hoare annotation was computed. [2019-10-13 21:22:54,003 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 662 671) no Hoare annotation was computed. [2019-10-13 21:22:54,003 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 662 671) no Hoare annotation was computed. [2019-10-13 21:22:54,003 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:54,003 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:22:54,003 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:54,004 INFO L446 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: true [2019-10-13 21:22:54,004 INFO L443 ceAbstractionStarter]: For program point L816-1(lines 805 821) no Hoare annotation was computed. [2019-10-13 21:22:54,004 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2019-10-13 21:22:54,004 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 805 821) no Hoare annotation was computed. [2019-10-13 21:22:54,004 INFO L446 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: true [2019-10-13 21:22:54,004 INFO L443 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2019-10-13 21:22:54,005 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 805 821) the Hoare annotation is: true [2019-10-13 21:22:54,005 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 637 645) the Hoare annotation is: true [2019-10-13 21:22:54,005 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 637 645) no Hoare annotation was computed. [2019-10-13 21:22:54,005 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 637 645) no Hoare annotation was computed. [2019-10-13 21:22:54,005 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 886 904) no Hoare annotation was computed. [2019-10-13 21:22:54,006 INFO L443 ceAbstractionStarter]: For program point L895(lines 895 899) no Hoare annotation was computed. [2019-10-13 21:22:54,006 INFO L446 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2019-10-13 21:22:54,006 INFO L443 ceAbstractionStarter]: For program point L895-2(lines 895 899) no Hoare annotation was computed. [2019-10-13 21:22:54,006 INFO L443 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2019-10-13 21:22:54,006 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 886 904) the Hoare annotation is: true [2019-10-13 21:22:54,006 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 886 904) no Hoare annotation was computed. [2019-10-13 21:22:54,006 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: true [2019-10-13 21:22:54,006 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2019-10-13 21:22:54,007 INFO L443 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2019-10-13 21:22:54,007 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:54,007 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:54,007 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:54,007 INFO L446 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: true [2019-10-13 21:22:54,007 INFO L446 ceAbstractionStarter]: At program point L725(lines 725 731) the Hoare annotation is: true [2019-10-13 21:22:54,007 INFO L446 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: true [2019-10-13 21:22:54,008 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 711 737) the Hoare annotation is: true [2019-10-13 21:22:54,008 INFO L443 ceAbstractionStarter]: For program point L718(lines 714 736) no Hoare annotation was computed. [2019-10-13 21:22:54,008 INFO L443 ceAbstractionStarter]: For program point L716(lines 714 736) no Hoare annotation was computed. [2019-10-13 21:22:54,008 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 711 737) no Hoare annotation was computed. [2019-10-13 21:22:54,009 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 711 737) no Hoare annotation was computed. [2019-10-13 21:22:54,009 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2019-10-13 21:22:54,009 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2019-10-13 21:22:54,009 INFO L446 ceAbstractionStarter]: At program point L119(lines 94 123) the Hoare annotation is: true [2019-10-13 21:22:54,009 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-13 21:22:54,009 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2019-10-13 21:22:54,009 INFO L446 ceAbstractionStarter]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2019-10-13 21:22:54,009 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-13 21:22:54,010 INFO L446 ceAbstractionStarter]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2019-10-13 21:22:54,010 INFO L446 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2019-10-13 21:22:54,010 INFO L443 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2019-10-13 21:22:54,010 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2019-10-13 21:22:54,010 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2019-10-13 21:22:54,010 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2019-10-13 21:22:54,010 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: true [2019-10-13 21:22:54,010 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2019-10-13 21:22:54,010 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2019-10-13 21:22:54,011 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2019-10-13 21:22:54,011 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2019-10-13 21:22:54,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:54,011 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:54,011 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:54,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:54,011 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 905 912) no Hoare annotation was computed. [2019-10-13 21:22:54,011 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 905 912) the Hoare annotation is: true [2019-10-13 21:22:54,012 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 905 912) no Hoare annotation was computed. [2019-10-13 21:22:54,012 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2019-10-13 21:22:54,012 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2019-10-13 21:22:54,012 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: true [2019-10-13 21:22:54,012 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 700) no Hoare annotation was computed. [2019-10-13 21:22:54,012 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 696 703) no Hoare annotation was computed. [2019-10-13 21:22:54,012 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 696 703) the Hoare annotation is: true [2019-10-13 21:22:54,012 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 696 703) no Hoare annotation was computed. [2019-10-13 21:22:54,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:54 BoogieIcfgContainer [2019-10-13 21:22:54,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:54,024 INFO L168 Benchmark]: Toolchain (without parser) took 8885.45 ms. Allocated memory was 144.2 MB in the beginning and 332.4 MB in the end (delta: 188.2 MB). Free memory was 99.7 MB in the beginning and 137.4 MB in the end (delta: -37.7 MB). Peak memory consumption was 150.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:54,025 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:54,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.63 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 99.5 MB in the beginning and 167.3 MB in the end (delta: -67.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:54,031 INFO L168 Benchmark]: Boogie Preprocessor took 90.09 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:54,033 INFO L168 Benchmark]: RCFGBuilder took 1305.82 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.2 MB in the beginning and 191.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:54,033 INFO L168 Benchmark]: TraceAbstraction took 6803.63 ms. Allocated memory was 232.3 MB in the beginning and 332.4 MB in the end (delta: 100.1 MB). Free memory was 191.8 MB in the beginning and 137.4 MB in the end (delta: 54.4 MB). Peak memory consumption was 154.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:54,042 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.63 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 99.5 MB in the beginning and 167.3 MB in the end (delta: -67.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.09 ms. Allocated memory is still 201.3 MB. Free memory was 167.3 MB in the beginning and 163.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1305.82 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 163.2 MB in the beginning and 191.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6803.63 ms. Allocated memory was 232.3 MB in the beginning and 332.4 MB in the end (delta: 100.1 MB). Free memory was 191.8 MB in the beginning and 137.4 MB in the end (delta: 54.4 MB). Peak memory consumption was 154.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: 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: 924]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 923]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Result: SAFE, OverallTime: 6.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1621 SDtfs, 1184 SDslu, 3186 SDs, 0 SdLazy, 1860 SolverSat, 448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=792occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 133 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 967 PreInvPairs, 968 NumberOfFragments, 76 HoareAnnotationTreeSize, 967 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1134 NumberOfCodeBlocks, 1134 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1294 ConstructedInterpolants, 0 QuantifiedInterpolants, 272587 SizeOfPredicates, 4 NumberOfNonLiveVariables, 972 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 151/180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 107, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8128654970760234, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...