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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:46,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:46,985 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:47,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:47,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:47,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:47,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:47,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:47,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:47,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:47,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:47,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:47,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:47,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:47,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:47,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:47,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:47,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:47,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:47,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:47,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:47,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:47,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:47,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:47,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:47,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:47,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:47,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:47,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:47,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:47,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:47,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:47,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:47,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:47,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:47,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:47,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:47,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:47,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:47,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:47,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:47,061 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 21:22:47,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:47,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:47,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:47,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:47,079 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:47,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:47,079 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:47,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:47,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:47,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:47,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:47,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:47,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:47,082 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:47,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:47,082 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:47,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:47,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:47,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:47,083 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:47,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:47,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:47,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:47,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:47,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:47,084 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:47,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:47,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:47,085 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 21:22:47,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:47,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:47,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:47,369 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:47,369 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:47,370 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2019-10-13 21:22:47,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2cc7c5b/b62f47e55a64482287f046994d2e226a/FLAG3379c81eb [2019-10-13 21:22:47,978 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:47,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product47.cil.c [2019-10-13 21:22:47,993 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2cc7c5b/b62f47e55a64482287f046994d2e226a/FLAG3379c81eb [2019-10-13 21:22:48,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2cc7c5b/b62f47e55a64482287f046994d2e226a [2019-10-13 21:22:48,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:48,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:48,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:48,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:48,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:48,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:48" (1/1) ... [2019-10-13 21:22:48,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48, skipping insertion in model container [2019-10-13 21:22:48,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:48" (1/1) ... [2019-10-13 21:22:48,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:48,377 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:48,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:48,818 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:48,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:48,944 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:48,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48 WrapperNode [2019-10-13 21:22:48,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:48,945 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:48,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:48,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:48,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48" (1/1) ... [2019-10-13 21:22:48,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48" (1/1) ... [2019-10-13 21:22:48,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48" (1/1) ... [2019-10-13 21:22:48,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48" (1/1) ... [2019-10-13 21:22:49,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48" (1/1) ... [2019-10-13 21:22:49,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48" (1/1) ... [2019-10-13 21:22:49,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48" (1/1) ... [2019-10-13 21:22:49,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:49,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:49,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:49,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:49,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48" (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 21:22:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:49,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:49,128 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:49,129 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:49,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:49,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:49,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:49,134 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:49,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:49,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:49,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:49,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:49,139 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:49,140 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:49,141 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:49,142 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:22:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:49,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:49,144 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:49,145 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:49,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:49,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:49,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:49,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:49,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:50,288 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:50,288 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:50,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:50 BoogieIcfgContainer [2019-10-13 21:22:50,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:50,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:50,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:50,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:50,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:48" (1/3) ... [2019-10-13 21:22:50,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8c1dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:50, skipping insertion in model container [2019-10-13 21:22:50,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:48" (2/3) ... [2019-10-13 21:22:50,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b8c1dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:50, skipping insertion in model container [2019-10-13 21:22:50,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:50" (3/3) ... [2019-10-13 21:22:50,298 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2019-10-13 21:22:50,307 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:50,315 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:50,326 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:50,354 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:50,354 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:50,354 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:50,354 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:50,355 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:50,355 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:50,355 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:50,355 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states. [2019-10-13 21:22:50,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:50,385 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:50,386 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 21:22:50,388 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:50,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:50,394 INFO L82 PathProgramCache]: Analyzing trace with hash -981984858, now seen corresponding path program 1 times [2019-10-13 21:22:50,403 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:50,404 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389772747] [2019-10-13 21:22:50,404 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,404 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,405 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:50,769 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 21:22:50,770 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389772747] [2019-10-13 21:22:50,775 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:50,777 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:50,777 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893868585] [2019-10-13 21:22:50,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:50,783 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:50,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:50,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:50,799 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 2 states. [2019-10-13 21:22:50,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:50,847 INFO L93 Difference]: Finished difference Result 294 states and 365 transitions. [2019-10-13 21:22:50,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:50,849 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:50,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:50,862 INFO L225 Difference]: With dead ends: 294 [2019-10-13 21:22:50,862 INFO L226 Difference]: Without dead ends: 149 [2019-10-13 21:22:50,867 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 21:22:50,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-13 21:22:50,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2019-10-13 21:22:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2019-10-13 21:22:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 176 transitions. [2019-10-13 21:22:50,933 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 176 transitions. Word has length 59 [2019-10-13 21:22:50,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:50,933 INFO L462 AbstractCegarLoop]: Abstraction has 149 states and 176 transitions. [2019-10-13 21:22:50,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 176 transitions. [2019-10-13 21:22:50,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:50,938 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:50,938 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 21:22:50,939 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:50,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:50,939 INFO L82 PathProgramCache]: Analyzing trace with hash 598368098, now seen corresponding path program 1 times [2019-10-13 21:22:50,939 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:50,940 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315885750] [2019-10-13 21:22:50,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:50,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:51,099 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 21:22:51,100 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315885750] [2019-10-13 21:22:51,100 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:51,100 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:51,101 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652785343] [2019-10-13 21:22:51,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:51,104 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:51,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:51,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:51,105 INFO L87 Difference]: Start difference. First operand 149 states and 176 transitions. Second operand 3 states. [2019-10-13 21:22:51,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:51,149 INFO L93 Difference]: Finished difference Result 237 states and 279 transitions. [2019-10-13 21:22:51,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:51,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:51,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:51,161 INFO L225 Difference]: With dead ends: 237 [2019-10-13 21:22:51,161 INFO L226 Difference]: Without dead ends: 140 [2019-10-13 21:22:51,163 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 21:22:51,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2019-10-13 21:22:51,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2019-10-13 21:22:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-10-13 21:22:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2019-10-13 21:22:51,190 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 60 [2019-10-13 21:22:51,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:51,190 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2019-10-13 21:22:51,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:51,191 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2019-10-13 21:22:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:51,199 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:51,199 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] [2019-10-13 21:22:51,200 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:51,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:51,200 INFO L82 PathProgramCache]: Analyzing trace with hash 75711308, now seen corresponding path program 1 times [2019-10-13 21:22:51,202 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:51,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816761578] [2019-10-13 21:22:51,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:51,342 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 21:22:51,343 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816761578] [2019-10-13 21:22:51,343 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:51,343 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:51,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394628498] [2019-10-13 21:22:51,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:51,345 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:51,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:51,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:51,346 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 7 states. [2019-10-13 21:22:51,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:51,877 INFO L93 Difference]: Finished difference Result 420 states and 510 transitions. [2019-10-13 21:22:51,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:51,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:22:51,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:51,882 INFO L225 Difference]: With dead ends: 420 [2019-10-13 21:22:51,882 INFO L226 Difference]: Without dead ends: 308 [2019-10-13 21:22:51,884 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 21:22:51,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2019-10-13 21:22:51,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 300. [2019-10-13 21:22:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2019-10-13 21:22:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 364 transitions. [2019-10-13 21:22:51,939 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 364 transitions. Word has length 64 [2019-10-13 21:22:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:51,941 INFO L462 AbstractCegarLoop]: Abstraction has 300 states and 364 transitions. [2019-10-13 21:22:51,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 364 transitions. [2019-10-13 21:22:51,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:51,943 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:51,944 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] [2019-10-13 21:22:51,944 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:51,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:51,944 INFO L82 PathProgramCache]: Analyzing trace with hash -1055869647, now seen corresponding path program 1 times [2019-10-13 21:22:51,945 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:51,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676207860] [2019-10-13 21:22:51,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,945 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:51,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,102 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 21:22:52,106 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676207860] [2019-10-13 21:22:52,106 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:52,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:52,107 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947529803] [2019-10-13 21:22:52,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:52,108 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:52,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:52,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:52,108 INFO L87 Difference]: Start difference. First operand 300 states and 364 transitions. Second operand 7 states. [2019-10-13 21:22:52,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:52,799 INFO L93 Difference]: Finished difference Result 771 states and 996 transitions. [2019-10-13 21:22:52,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:52,799 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:22:52,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:52,804 INFO L225 Difference]: With dead ends: 771 [2019-10-13 21:22:52,804 INFO L226 Difference]: Without dead ends: 499 [2019-10-13 21:22:52,807 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:52,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-10-13 21:22:52,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 446. [2019-10-13 21:22:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2019-10-13 21:22:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 533 transitions. [2019-10-13 21:22:52,856 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 533 transitions. Word has length 70 [2019-10-13 21:22:52,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:52,857 INFO L462 AbstractCegarLoop]: Abstraction has 446 states and 533 transitions. [2019-10-13 21:22:52,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 533 transitions. [2019-10-13 21:22:52,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:22:52,859 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:52,859 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] [2019-10-13 21:22:52,860 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:52,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:52,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2082867985, now seen corresponding path program 1 times [2019-10-13 21:22:52,860 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:52,860 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493458389] [2019-10-13 21:22:52,861 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,861 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:52,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:52,957 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 21:22:52,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493458389] [2019-10-13 21:22:52,957 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:52,958 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:52,958 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525860832] [2019-10-13 21:22:52,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:52,959 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:52,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:52,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:52,959 INFO L87 Difference]: Start difference. First operand 446 states and 533 transitions. Second operand 4 states. [2019-10-13 21:22:53,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:53,248 INFO L93 Difference]: Finished difference Result 1618 states and 2050 transitions. [2019-10-13 21:22:53,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:53,248 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2019-10-13 21:22:53,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:53,256 INFO L225 Difference]: With dead ends: 1618 [2019-10-13 21:22:53,256 INFO L226 Difference]: Without dead ends: 1200 [2019-10-13 21:22:53,258 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 21:22:53,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2019-10-13 21:22:53,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1174. [2019-10-13 21:22:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1174 states. [2019-10-13 21:22:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1455 transitions. [2019-10-13 21:22:53,369 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1455 transitions. Word has length 107 [2019-10-13 21:22:53,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:53,370 INFO L462 AbstractCegarLoop]: Abstraction has 1174 states and 1455 transitions. [2019-10-13 21:22:53,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1455 transitions. [2019-10-13 21:22:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:22:53,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:53,379 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] [2019-10-13 21:22:53,380 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:53,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:53,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1842327856, now seen corresponding path program 1 times [2019-10-13 21:22:53,380 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:53,381 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958376719] [2019-10-13 21:22:53,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:53,508 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 21:22:53,509 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958376719] [2019-10-13 21:22:53,510 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:53,510 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:53,510 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573748033] [2019-10-13 21:22:53,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:53,511 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:53,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:53,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:53,512 INFO L87 Difference]: Start difference. First operand 1174 states and 1455 transitions. Second operand 6 states. [2019-10-13 21:22:53,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:53,585 INFO L93 Difference]: Finished difference Result 2362 states and 3044 transitions. [2019-10-13 21:22:53,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:53,586 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2019-10-13 21:22:53,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:53,595 INFO L225 Difference]: With dead ends: 2362 [2019-10-13 21:22:53,595 INFO L226 Difference]: Without dead ends: 1216 [2019-10-13 21:22:53,599 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 21:22:53,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2019-10-13 21:22:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1204. [2019-10-13 21:22:53,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2019-10-13 21:22:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1487 transitions. [2019-10-13 21:22:53,670 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1487 transitions. Word has length 107 [2019-10-13 21:22:53,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:53,670 INFO L462 AbstractCegarLoop]: Abstraction has 1204 states and 1487 transitions. [2019-10-13 21:22:53,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1487 transitions. [2019-10-13 21:22:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-10-13 21:22:53,673 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:53,673 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] [2019-10-13 21:22:53,674 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:53,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:53,674 INFO L82 PathProgramCache]: Analyzing trace with hash 85944846, now seen corresponding path program 1 times [2019-10-13 21:22:53,674 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:53,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958348273] [2019-10-13 21:22:53,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:53,755 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 21:22:53,755 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958348273] [2019-10-13 21:22:53,756 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:53,756 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:53,756 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709667513] [2019-10-13 21:22:53,757 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:53,758 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:53,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:53,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:53,759 INFO L87 Difference]: Start difference. First operand 1204 states and 1487 transitions. Second operand 8 states. [2019-10-13 21:22:53,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:53,839 INFO L93 Difference]: Finished difference Result 2173 states and 2763 transitions. [2019-10-13 21:22:53,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:53,840 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-10-13 21:22:53,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:53,846 INFO L225 Difference]: With dead ends: 2173 [2019-10-13 21:22:53,846 INFO L226 Difference]: Without dead ends: 997 [2019-10-13 21:22:53,852 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 21:22:53,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2019-10-13 21:22:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2019-10-13 21:22:53,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 997 states. [2019-10-13 21:22:53,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1218 transitions. [2019-10-13 21:22:53,922 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1218 transitions. Word has length 107 [2019-10-13 21:22:53,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:53,923 INFO L462 AbstractCegarLoop]: Abstraction has 997 states and 1218 transitions. [2019-10-13 21:22:53,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1218 transitions. [2019-10-13 21:22:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-13 21:22:53,928 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:53,929 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] [2019-10-13 21:22:53,929 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:53,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:53,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1945052595, now seen corresponding path program 1 times [2019-10-13 21:22:53,932 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:53,933 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692263201] [2019-10-13 21:22:53,933 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,933 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:54,146 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 21:22:54,147 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692263201] [2019-10-13 21:22:54,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:54,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:54,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840303615] [2019-10-13 21:22:54,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:54,148 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:54,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:54,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:54,149 INFO L87 Difference]: Start difference. First operand 997 states and 1218 transitions. Second operand 9 states. [2019-10-13 21:22:55,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:55,398 INFO L93 Difference]: Finished difference Result 2728 states and 3492 transitions. [2019-10-13 21:22:55,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:55,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2019-10-13 21:22:55,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:55,409 INFO L225 Difference]: With dead ends: 2728 [2019-10-13 21:22:55,409 INFO L226 Difference]: Without dead ends: 1941 [2019-10-13 21:22:55,412 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:55,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1941 states. [2019-10-13 21:22:55,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1941 to 1716. [2019-10-13 21:22:55,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1716 states. [2019-10-13 21:22:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1716 states and 2065 transitions. [2019-10-13 21:22:55,507 INFO L78 Accepts]: Start accepts. Automaton has 1716 states and 2065 transitions. Word has length 111 [2019-10-13 21:22:55,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:55,508 INFO L462 AbstractCegarLoop]: Abstraction has 1716 states and 2065 transitions. [2019-10-13 21:22:55,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:55,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2065 transitions. [2019-10-13 21:22:55,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-13 21:22:55,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:55,511 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:22:55,512 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:55,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:55,512 INFO L82 PathProgramCache]: Analyzing trace with hash -451795391, now seen corresponding path program 1 times [2019-10-13 21:22:55,512 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:55,513 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582415116] [2019-10-13 21:22:55,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 21:22:55,645 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582415116] [2019-10-13 21:22:55,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619420147] [2019-10-13 21:22:55,646 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 21:22:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 960 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:55,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:56,142 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:56,142 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:56,585 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-13 21:22:56,585 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [108689106] [2019-10-13 21:22:56,592 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 171 [2019-10-13 21:22:56,651 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:56,651 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:56,744 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:56,745 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:22:56,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,750 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:56,841 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:56,842 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:56,849 INFO L553 sIntCurrentIteration]: We unified 169 AI predicates to 169 [2019-10-13 21:22:56,849 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:56,853 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:56,854 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:22:56,854 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601678438] [2019-10-13 21:22:56,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:56,856 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,856 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:56,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:56,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:56,858 INFO L87 Difference]: Start difference. First operand 1716 states and 2065 transitions. Second operand 2 states. [2019-10-13 21:22:56,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,878 INFO L93 Difference]: Finished difference Result 1716 states and 2065 transitions. [2019-10-13 21:22:56,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:56,879 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 170 [2019-10-13 21:22:56,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,879 INFO L225 Difference]: With dead ends: 1716 [2019-10-13 21:22:56,879 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:56,884 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 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 21:22:56,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:56,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:56,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:56,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 170 [2019-10-13 21:22:56,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,885 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:56,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:56,885 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:57,098 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:57,103 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:57,529 INFO L443 ceAbstractionStarter]: For program point L544(lines 521 545) no Hoare annotation was computed. [2019-10-13 21:22:57,530 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 497 552) no Hoare annotation was computed. [2019-10-13 21:22:57,530 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2019-10-13 21:22:57,530 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 528 532) no Hoare annotation was computed. [2019-10-13 21:22:57,530 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-13 21:22:57,530 INFO L443 ceAbstractionStarter]: For program point L522-2(lines 522 543) no Hoare annotation was computed. [2019-10-13 21:22:57,530 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 497 552) no Hoare annotation was computed. [2019-10-13 21:22:57,530 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 497 552) no Hoare annotation was computed. [2019-10-13 21:22:57,530 INFO L443 ceAbstractionStarter]: For program point L579-2(lines 579 604) no Hoare annotation was computed. [2019-10-13 21:22:57,530 INFO L443 ceAbstractionStarter]: For program point L605(lines 578 606) no Hoare annotation was computed. [2019-10-13 21:22:57,531 INFO L443 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2019-10-13 21:22:57,531 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 553 612) no Hoare annotation was computed. [2019-10-13 21:22:57,531 INFO L443 ceAbstractionStarter]: For program point L598-1(line 598) no Hoare annotation was computed. [2019-10-13 21:22:57,531 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 553 612) no Hoare annotation was computed. [2019-10-13 21:22:57,531 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 553 612) no Hoare annotation was computed. [2019-10-13 21:22:57,531 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 589) no Hoare annotation was computed. [2019-10-13 21:22:57,531 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2019-10-13 21:22:57,531 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 21:22:57,532 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 829 835) the Hoare annotation is: true [2019-10-13 21:22:57,532 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 829 835) no Hoare annotation was computed. [2019-10-13 21:22:57,532 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 836 844) no Hoare annotation was computed. [2019-10-13 21:22:57,532 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 836 844) the Hoare annotation is: true [2019-10-13 21:22:57,532 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 836 844) no Hoare annotation was computed. [2019-10-13 21:22:57,532 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 848 855) the Hoare annotation is: true [2019-10-13 21:22:57,532 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 848 855) no Hoare annotation was computed. [2019-10-13 21:22:57,533 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 848 855) no Hoare annotation was computed. [2019-10-13 21:22:57,533 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 856 865) the Hoare annotation is: true [2019-10-13 21:22:57,533 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-10-13 21:22:57,533 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 856 865) no Hoare annotation was computed. [2019-10-13 21:22:57,533 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 856 865) no Hoare annotation was computed. [2019-10-13 21:22:57,533 INFO L446 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: true [2019-10-13 21:22:57,533 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 866 894) the Hoare annotation is: true [2019-10-13 21:22:57,533 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 885) no Hoare annotation was computed. [2019-10-13 21:22:57,534 INFO L443 ceAbstractionStarter]: For program point L878(lines 878 888) no Hoare annotation was computed. [2019-10-13 21:22:57,534 INFO L446 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: true [2019-10-13 21:22:57,534 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 866 894) no Hoare annotation was computed. [2019-10-13 21:22:57,534 INFO L443 ceAbstractionStarter]: For program point L876-1(line 876) no Hoare annotation was computed. [2019-10-13 21:22:57,534 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 891) no Hoare annotation was computed. [2019-10-13 21:22:57,534 INFO L443 ceAbstractionStarter]: For program point L874-1(lines 866 894) no Hoare annotation was computed. [2019-10-13 21:22:57,534 INFO L446 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2019-10-13 21:22:57,534 INFO L443 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2019-10-13 21:22:57,535 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 421 443) the Hoare annotation is: true [2019-10-13 21:22:57,535 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 421 443) no Hoare annotation was computed. [2019-10-13 21:22:57,535 INFO L446 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: true [2019-10-13 21:22:57,535 INFO L446 ceAbstractionStarter]: At program point L433-1(line 433) the Hoare annotation is: true [2019-10-13 21:22:57,535 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 438) no Hoare annotation was computed. [2019-10-13 21:22:57,535 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 431 438) no Hoare annotation was computed. [2019-10-13 21:22:57,535 INFO L443 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2019-10-13 21:22:57,535 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 421 443) no Hoare annotation was computed. [2019-10-13 21:22:57,536 INFO L446 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: true [2019-10-13 21:22:57,536 INFO L446 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: true [2019-10-13 21:22:57,536 INFO L446 ceAbstractionStarter]: At program point L427-1(line 427) the Hoare annotation is: true [2019-10-13 21:22:57,536 INFO L443 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2019-10-13 21:22:57,536 INFO L443 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2019-10-13 21:22:57,536 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 375 398) no Hoare annotation was computed. [2019-10-13 21:22:57,536 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-10-13 21:22:57,536 INFO L443 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2019-10-13 21:22:57,536 INFO L443 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2019-10-13 21:22:57,537 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 375 398) no Hoare annotation was computed. [2019-10-13 21:22:57,537 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-10-13 21:22:57,537 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 375 398) no Hoare annotation was computed. [2019-10-13 21:22:57,537 INFO L443 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2019-10-13 21:22:57,537 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-13 21:22:57,537 INFO L443 ceAbstractionStarter]: For program point L391(line 391) no Hoare annotation was computed. [2019-10-13 21:22:57,537 INFO L443 ceAbstractionStarter]: For program point L390(line 390) no Hoare annotation was computed. [2019-10-13 21:22:57,537 INFO L443 ceAbstractionStarter]: For program point L389(line 389) no Hoare annotation was computed. [2019-10-13 21:22:57,537 INFO L443 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2019-10-13 21:22:57,538 INFO L443 ceAbstractionStarter]: For program point L387(line 387) no Hoare annotation was computed. [2019-10-13 21:22:57,538 INFO L443 ceAbstractionStarter]: For program point L386(line 386) no Hoare annotation was computed. [2019-10-13 21:22:57,538 INFO L446 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: true [2019-10-13 21:22:57,538 INFO L443 ceAbstractionStarter]: For program point L118-1(lines 99 123) no Hoare annotation was computed. [2019-10-13 21:22:57,538 INFO L446 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: true [2019-10-13 21:22:57,538 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 99 123) the Hoare annotation is: true [2019-10-13 21:22:57,538 INFO L446 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: true [2019-10-13 21:22:57,538 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 99 123) no Hoare annotation was computed. [2019-10-13 21:22:57,539 INFO L443 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2019-10-13 21:22:57,539 INFO L446 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: true [2019-10-13 21:22:57,539 INFO L443 ceAbstractionStarter]: For program point L105-1(line 105) no Hoare annotation was computed. [2019-10-13 21:22:57,539 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 120) no Hoare annotation was computed. [2019-10-13 21:22:57,539 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 258 272) no Hoare annotation was computed. [2019-10-13 21:22:57,539 INFO L446 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2019-10-13 21:22:57,539 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 268) no Hoare annotation was computed. [2019-10-13 21:22:57,539 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 258 272) the Hoare annotation is: true [2019-10-13 21:22:57,540 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 258 272) no Hoare annotation was computed. [2019-10-13 21:22:57,540 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 194 202) no Hoare annotation was computed. [2019-10-13 21:22:57,540 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 194 202) the Hoare annotation is: true [2019-10-13 21:22:57,540 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 194 202) no Hoare annotation was computed. [2019-10-13 21:22:57,540 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 230) no Hoare annotation was computed. [2019-10-13 21:22:57,540 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 230) no Hoare annotation was computed. [2019-10-13 21:22:57,540 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 218) no Hoare annotation was computed. [2019-10-13 21:22:57,541 INFO L443 ceAbstractionStarter]: For program point L210-2(lines 210 218) no Hoare annotation was computed. [2019-10-13 21:22:57,541 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 203 238) no Hoare annotation was computed. [2019-10-13 21:22:57,541 INFO L443 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2019-10-13 21:22:57,541 INFO L443 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2019-10-13 21:22:57,541 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 203 238) no Hoare annotation was computed. [2019-10-13 21:22:57,541 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 203 238) no Hoare annotation was computed. [2019-10-13 21:22:57,541 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 822 828) no Hoare annotation was computed. [2019-10-13 21:22:57,541 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 822 828) the Hoare annotation is: true [2019-10-13 21:22:57,542 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 451 496) no Hoare annotation was computed. [2019-10-13 21:22:57,542 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 451 496) no Hoare annotation was computed. [2019-10-13 21:22:57,542 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 451 496) no Hoare annotation was computed. [2019-10-13 21:22:57,542 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 764 809) no Hoare annotation was computed. [2019-10-13 21:22:57,542 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 791) no Hoare annotation was computed. [2019-10-13 21:22:57,542 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 764 809) no Hoare annotation was computed. [2019-10-13 21:22:57,542 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 798) no Hoare annotation was computed. [2019-10-13 21:22:57,542 INFO L443 ceAbstractionStarter]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2019-10-13 21:22:57,542 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 764 809) no Hoare annotation was computed. [2019-10-13 21:22:57,543 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 407 417) the Hoare annotation is: true [2019-10-13 21:22:57,543 INFO L446 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: true [2019-10-13 21:22:57,543 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 407 417) no Hoare annotation was computed. [2019-10-13 21:22:57,543 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 407 417) no Hoare annotation was computed. [2019-10-13 21:22:57,543 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 183 193) the Hoare annotation is: true [2019-10-13 21:22:57,543 INFO L446 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: true [2019-10-13 21:22:57,543 INFO L443 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2019-10-13 21:22:57,543 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 183 193) no Hoare annotation was computed. [2019-10-13 21:22:57,543 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 183 193) no Hoare annotation was computed. [2019-10-13 21:22:57,544 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 175 182) the Hoare annotation is: true [2019-10-13 21:22:57,544 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 175 182) no Hoare annotation was computed. [2019-10-13 21:22:57,544 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 175 182) no Hoare annotation was computed. [2019-10-13 21:22:57,544 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 975 988) no Hoare annotation was computed. [2019-10-13 21:22:57,544 INFO L443 ceAbstractionStarter]: For program point L979(lines 979 985) no Hoare annotation was computed. [2019-10-13 21:22:57,544 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 975 988) the Hoare annotation is: true [2019-10-13 21:22:57,544 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 975 988) no Hoare annotation was computed. [2019-10-13 21:22:57,544 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2019-10-13 21:22:57,544 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 125 149) no Hoare annotation was computed. [2019-10-13 21:22:57,545 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 125 149) the Hoare annotation is: true [2019-10-13 21:22:57,545 INFO L446 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2019-10-13 21:22:57,545 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 125 149) no Hoare annotation was computed. [2019-10-13 21:22:57,545 INFO L446 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: true [2019-10-13 21:22:57,545 INFO L446 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: true [2019-10-13 21:22:57,545 INFO L443 ceAbstractionStarter]: For program point L133(lines 133 141) no Hoare annotation was computed. [2019-10-13 21:22:57,545 INFO L446 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: true [2019-10-13 21:22:57,545 INFO L443 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2019-10-13 21:22:57,546 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 91 97) no Hoare annotation was computed. [2019-10-13 21:22:57,546 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 91 97) the Hoare annotation is: true [2019-10-13 21:22:57,546 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-10-13 21:22:57,546 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 277 342) the Hoare annotation is: true [2019-10-13 21:22:57,546 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 277 342) no Hoare annotation was computed. [2019-10-13 21:22:57,546 INFO L446 ceAbstractionStarter]: At program point L335(lines 286 336) the Hoare annotation is: true [2019-10-13 21:22:57,546 INFO L446 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2019-10-13 21:22:57,546 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 329) no Hoare annotation was computed. [2019-10-13 21:22:57,546 INFO L446 ceAbstractionStarter]: At program point L323-1(lines 317 330) the Hoare annotation is: true [2019-10-13 21:22:57,547 INFO L443 ceAbstractionStarter]: For program point L288(lines 287 334) no Hoare annotation was computed. [2019-10-13 21:22:57,547 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 330) no Hoare annotation was computed. [2019-10-13 21:22:57,547 INFO L446 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2019-10-13 21:22:57,547 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 313) no Hoare annotation was computed. [2019-10-13 21:22:57,547 INFO L443 ceAbstractionStarter]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2019-10-13 21:22:57,547 INFO L446 ceAbstractionStarter]: At program point L332(lines 287 334) the Hoare annotation is: true [2019-10-13 21:22:57,547 INFO L446 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2019-10-13 21:22:57,547 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2019-10-13 21:22:57,547 INFO L443 ceAbstractionStarter]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2019-10-13 21:22:57,548 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 277 342) no Hoare annotation was computed. [2019-10-13 21:22:57,548 INFO L443 ceAbstractionStarter]: For program point L732(lines 732 752) no Hoare annotation was computed. [2019-10-13 21:22:57,548 INFO L443 ceAbstractionStarter]: For program point L732-1(lines 732 752) no Hoare annotation was computed. [2019-10-13 21:22:57,548 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 718 763) no Hoare annotation was computed. [2019-10-13 21:22:57,548 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 718 763) no Hoare annotation was computed. [2019-10-13 21:22:57,548 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 718 763) no Hoare annotation was computed. [2019-10-13 21:22:57,548 INFO L443 ceAbstractionStarter]: For program point L738(lines 738 745) no Hoare annotation was computed. [2019-10-13 21:22:57,548 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 150 157) the Hoare annotation is: true [2019-10-13 21:22:57,548 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 150 157) no Hoare annotation was computed. [2019-10-13 21:22:57,549 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 150 157) no Hoare annotation was computed. [2019-10-13 21:22:57,549 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 943 965) no Hoare annotation was computed. [2019-10-13 21:22:57,549 INFO L443 ceAbstractionStarter]: For program point L951(lines 951 959) no Hoare annotation was computed. [2019-10-13 21:22:57,549 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 943 965) no Hoare annotation was computed. [2019-10-13 21:22:57,549 INFO L443 ceAbstractionStarter]: For program point L951-2(lines 951 959) no Hoare annotation was computed. [2019-10-13 21:22:57,549 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 943 965) no Hoare annotation was computed. [2019-10-13 21:22:57,549 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 711) no Hoare annotation was computed. [2019-10-13 21:22:57,549 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 615 717) no Hoare annotation was computed. [2019-10-13 21:22:57,550 INFO L443 ceAbstractionStarter]: For program point L665(lines 664 684) no Hoare annotation was computed. [2019-10-13 21:22:57,550 INFO L443 ceAbstractionStarter]: For program point L696(line 696) no Hoare annotation was computed. [2019-10-13 21:22:57,550 INFO L443 ceAbstractionStarter]: For program point L696-1(line 696) no Hoare annotation was computed. [2019-10-13 21:22:57,550 INFO L443 ceAbstractionStarter]: For program point L661(lines 661 702) no Hoare annotation was computed. [2019-10-13 21:22:57,550 INFO L443 ceAbstractionStarter]: For program point L680(line 680) no Hoare annotation was computed. [2019-10-13 21:22:57,550 INFO L443 ceAbstractionStarter]: For program point L680-1(line 680) no Hoare annotation was computed. [2019-10-13 21:22:57,550 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 615 717) no Hoare annotation was computed. [2019-10-13 21:22:57,550 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 643) no Hoare annotation was computed. [2019-10-13 21:22:57,550 INFO L443 ceAbstractionStarter]: For program point L703(lines 703 714) no Hoare annotation was computed. [2019-10-13 21:22:57,551 INFO L443 ceAbstractionStarter]: For program point L666(lines 666 670) no Hoare annotation was computed. [2019-10-13 21:22:57,551 INFO L443 ceAbstractionStarter]: For program point L664-2(lines 664 684) no Hoare annotation was computed. [2019-10-13 21:22:57,551 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 615 717) no Hoare annotation was computed. [2019-10-13 21:22:57,551 INFO L443 ceAbstractionStarter]: For program point L685(lines 663 686) no Hoare annotation was computed. [2019-10-13 21:22:57,551 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 660) no Hoare annotation was computed. [2019-10-13 21:22:57,551 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 812 821) no Hoare annotation was computed. [2019-10-13 21:22:57,551 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 812 821) no Hoare annotation was computed. [2019-10-13 21:22:57,551 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 812 821) no Hoare annotation was computed. [2019-10-13 21:22:57,551 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:57,552 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 21:22:57,552 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:57,552 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 158 174) no Hoare annotation was computed. [2019-10-13 21:22:57,552 INFO L446 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: true [2019-10-13 21:22:57,552 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 158 174) the Hoare annotation is: true [2019-10-13 21:22:57,552 INFO L443 ceAbstractionStarter]: For program point L169-1(lines 158 174) no Hoare annotation was computed. [2019-10-13 21:22:57,552 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-10-13 21:22:57,553 INFO L446 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: true [2019-10-13 21:22:57,553 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-10-13 21:22:57,553 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 239 257) no Hoare annotation was computed. [2019-10-13 21:22:57,553 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 252) no Hoare annotation was computed. [2019-10-13 21:22:57,553 INFO L446 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: true [2019-10-13 21:22:57,553 INFO L443 ceAbstractionStarter]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2019-10-13 21:22:57,553 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 239 257) the Hoare annotation is: true [2019-10-13 21:22:57,553 INFO L443 ceAbstractionStarter]: For program point L246-1(line 246) no Hoare annotation was computed. [2019-10-13 21:22:57,554 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 239 257) no Hoare annotation was computed. [2019-10-13 21:22:57,554 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 966 974) the Hoare annotation is: true [2019-10-13 21:22:57,554 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 966 974) no Hoare annotation was computed. [2019-10-13 21:22:57,554 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 966 974) no Hoare annotation was computed. [2019-10-13 21:22:57,554 INFO L443 ceAbstractionStarter]: For program point L926-1(lines 922 933) no Hoare annotation was computed. [2019-10-13 21:22:57,554 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 922 933) the Hoare annotation is: true [2019-10-13 21:22:57,554 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 922 933) no Hoare annotation was computed. [2019-10-13 21:22:57,554 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:57,554 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:57,555 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:57,555 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 934 942) the Hoare annotation is: true [2019-10-13 21:22:57,555 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 934 942) no Hoare annotation was computed. [2019-10-13 21:22:57,555 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 934 942) no Hoare annotation was computed. [2019-10-13 21:22:57,555 INFO L446 ceAbstractionStarter]: At program point L80(line 80) the Hoare annotation is: true [2019-10-13 21:22:57,555 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 64 90) the Hoare annotation is: true [2019-10-13 21:22:57,555 INFO L446 ceAbstractionStarter]: At program point L78(lines 78 84) the Hoare annotation is: true [2019-10-13 21:22:57,556 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 64 90) no Hoare annotation was computed. [2019-10-13 21:22:57,556 INFO L446 ceAbstractionStarter]: At program point L73(line 73) the Hoare annotation is: true [2019-10-13 21:22:57,556 INFO L443 ceAbstractionStarter]: For program point L71(lines 67 89) no Hoare annotation was computed. [2019-10-13 21:22:57,556 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 64 90) no Hoare annotation was computed. [2019-10-13 21:22:57,556 INFO L443 ceAbstractionStarter]: For program point L69(lines 67 89) no Hoare annotation was computed. [2019-10-13 21:22:57,556 INFO L446 ceAbstractionStarter]: At program point L355-2(lines 355 369) the Hoare annotation is: true [2019-10-13 21:22:57,556 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 345 374) no Hoare annotation was computed. [2019-10-13 21:22:57,556 INFO L446 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: true [2019-10-13 21:22:57,556 INFO L443 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2019-10-13 21:22:57,557 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 345 374) the Hoare annotation is: true [2019-10-13 21:22:57,557 INFO L446 ceAbstractionStarter]: At program point L370(lines 345 374) the Hoare annotation is: true [2019-10-13 21:22:57,557 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-10-13 21:22:57,557 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2019-10-13 21:22:57,557 INFO L446 ceAbstractionStarter]: At program point L359-1(lines 359 363) the Hoare annotation is: true [2019-10-13 21:22:57,557 INFO L443 ceAbstractionStarter]: For program point L356(line 356) no Hoare annotation was computed. [2019-10-13 21:22:57,557 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 898 909) the Hoare annotation is: true [2019-10-13 21:22:57,557 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 898 909) no Hoare annotation was computed. [2019-10-13 21:22:57,557 INFO L443 ceAbstractionStarter]: For program point L902-1(lines 898 909) no Hoare annotation was computed. [2019-10-13 21:22:57,558 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 399 405) no Hoare annotation was computed. [2019-10-13 21:22:57,558 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 399 405) the Hoare annotation is: true [2019-10-13 21:22:57,558 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:57,558 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:57,558 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:57,558 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:57,558 INFO L443 ceAbstractionStarter]: For program point L914-1(lines 910 921) no Hoare annotation was computed. [2019-10-13 21:22:57,558 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 910 921) no Hoare annotation was computed. [2019-10-13 21:22:57,558 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 910 921) the Hoare annotation is: true [2019-10-13 21:22:57,559 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:57,559 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:22:57,559 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:57,559 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:22:57,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:57 BoogieIcfgContainer [2019-10-13 21:22:57,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:57,578 INFO L168 Benchmark]: Toolchain (without parser) took 9278.99 ms. Allocated memory was 145.8 MB in the beginning and 382.7 MB in the end (delta: 237.0 MB). Free memory was 102.3 MB in the beginning and 234.5 MB in the end (delta: -132.2 MB). Peak memory consumption was 200.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:57,579 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:57,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.91 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 170.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:57,581 INFO L168 Benchmark]: Boogie Preprocessor took 96.16 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:57,581 INFO L168 Benchmark]: RCFGBuilder took 1248.05 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 195.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:57,582 INFO L168 Benchmark]: TraceAbstraction took 7284.11 ms. Allocated memory was 236.5 MB in the beginning and 382.7 MB in the end (delta: 146.3 MB). Free memory was 195.9 MB in the beginning and 234.5 MB in the end (delta: -38.6 MB). Peak memory consumption was 202.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:57,586 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 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.91 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.1 MB in the beginning and 170.7 MB in the end (delta: -68.6 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.16 ms. Allocated memory is still 203.4 MB. Free memory was 170.7 MB in the beginning and 166.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1248.05 ms. Allocated memory was 203.4 MB in the beginning and 236.5 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 195.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7284.11 ms. Allocated memory was 236.5 MB in the beginning and 382.7 MB in the end (delta: 146.3 MB). Free memory was 195.9 MB in the beginning and 234.5 MB in the end (delta: -38.6 MB). Peak memory consumption was 202.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Result: SAFE, OverallTime: 7.2s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1581 SDtfs, 1173 SDslu, 3521 SDs, 0 SdLazy, 1750 SolverSat, 325 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1716occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 324 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 2340 PreInvPairs, 2341 NumberOfFragments, 77 HoareAnnotationTreeSize, 2340 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1025 NumberOfCodeBlocks, 1025 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1184 ConstructedInterpolants, 0 QuantifiedInterpolants, 247488 SizeOfPredicates, 4 NumberOfNonLiveVariables, 960 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 145/174 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 158, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8106508875739645, 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...