/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:22:51,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:22:51,008 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:22:51,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:22:51,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:22:51,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:22:51,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:22:51,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:22:51,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:22:51,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:22:51,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:22:51,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:22:51,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:22:51,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:22:51,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:22:51,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:22:51,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:22:51,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:22:51,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:22:51,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:22:51,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:22:51,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:22:51,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:22:51,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:22:51,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:22:51,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:22:51,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:22:51,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:22:51,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:22:51,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:22:51,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:22:51,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:22:51,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:22:51,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:22:51,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:22:51,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:22:51,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:22:51,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:22:51,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:22:51,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:22:51,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:22:51,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:22:51,126 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:22:51,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:22:51,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:22:51,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:22:51,133 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:22:51,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:22:51,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:22:51,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:22:51,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:22:51,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:22:51,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:22:51,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:22:51,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:22:51,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:22:51,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:22:51,135 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:22:51,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:22:51,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:22:51,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:22:51,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:22:51,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:22:51,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:22:51,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:22:51,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:22:51,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:22:51,137 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:22:51,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:51,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:22:51,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:22:51,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:22:51,419 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:22:51,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:22:51,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:22:51,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:22:51,440 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:22:51,442 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-07-20 16:22:51,519 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceaa1f25d/7f226c506673449f9c7bc2f43b9691ae/FLAGb51f06529 [2020-07-20 16:22:52,061 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:22:52,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product07.cil.c [2020-07-20 16:22:52,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceaa1f25d/7f226c506673449f9c7bc2f43b9691ae/FLAGb51f06529 [2020-07-20 16:22:52,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ceaa1f25d/7f226c506673449f9c7bc2f43b9691ae [2020-07-20 16:22:52,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:22:52,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:22:52,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:52,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:22:52,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:22:52,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:52" (1/1) ... [2020-07-20 16:22:52,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308d4bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:52, skipping insertion in model container [2020-07-20 16:22:52,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:52" (1/1) ... [2020-07-20 16:22:52,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:22:52,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:22:52,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:52,924 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:22:52,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:53,041 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:22:53,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53 WrapperNode [2020-07-20 16:22:53,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:53,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:22:53,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:22:53,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:22:53,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53" (1/1) ... [2020-07-20 16:22:53,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53" (1/1) ... [2020-07-20 16:22:53,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53" (1/1) ... [2020-07-20 16:22:53,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53" (1/1) ... [2020-07-20 16:22:53,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53" (1/1) ... [2020-07-20 16:22:53,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53" (1/1) ... [2020-07-20 16:22:53,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53" (1/1) ... [2020-07-20 16:22:53,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:22:53,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:22:53,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:22:53,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:22:53,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:22:53,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:22:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:22:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:22:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:22:53,210 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:22:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:22:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:22:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:22:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:22:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:22:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:22:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:22:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:22:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:22:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:22:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:22:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:22:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:22:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:22:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:22:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:22:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:22:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:22:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:22:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:22:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:22:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:22:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:22:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:22:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:22:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:22:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:22:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:22:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:22:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:22:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:22:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:22:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:22:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:22:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:22:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:22:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:22:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:22:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:22:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:22:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:22:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:22:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:22:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:22:53,219 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:22:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:22:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:22:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:22:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:22:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:22:53,220 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:22:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:22:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:22:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:22:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:22:53,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:22:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:22:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:22:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:22:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:22:54,302 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:22:54,303 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:22:54,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:54 BoogieIcfgContainer [2020-07-20 16:22:54,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:22:54,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:22:54,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:22:54,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:22:54,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:22:52" (1/3) ... [2020-07-20 16:22:54,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d020e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:54, skipping insertion in model container [2020-07-20 16:22:54,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:53" (2/3) ... [2020-07-20 16:22:54,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d020e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:54, skipping insertion in model container [2020-07-20 16:22:54,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:54" (3/3) ... [2020-07-20 16:22:54,317 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2020-07-20 16:22:54,328 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:22:54,337 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:22:54,352 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:22:54,378 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:22:54,378 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:22:54,378 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:22:54,378 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:22:54,379 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:22:54,379 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:22:54,379 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:22:54,379 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:22:54,402 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2020-07-20 16:22:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:22:54,412 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:54,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:54,414 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:54,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:54,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1126769430, now seen corresponding path program 1 times [2020-07-20 16:22:54,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:54,430 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923292304] [2020-07-20 16:22:54,430 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:54,891 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:54,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:54,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:22:54,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:54,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:54,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:54,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923292304] [2020-07-20 16:22:54,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:54,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:22:54,942 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744490290] [2020-07-20 16:22:54,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:22:54,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:54,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:22:54,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:22:54,965 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2020-07-20 16:22:55,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:55,007 INFO L93 Difference]: Finished difference Result 216 states and 273 transitions. [2020-07-20 16:22:55,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:22:55,010 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:22:55,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:55,026 INFO L225 Difference]: With dead ends: 216 [2020-07-20 16:22:55,034 INFO L226 Difference]: Without dead ends: 110 [2020-07-20 16:22:55,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:22:55,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-20 16:22:55,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-20 16:22:55,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-20 16:22:55,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2020-07-20 16:22:55,156 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 51 [2020-07-20 16:22:55,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:55,157 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2020-07-20 16:22:55,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:22:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2020-07-20 16:22:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:22:55,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:55,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:55,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:55,376 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:55,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:55,377 INFO L82 PathProgramCache]: Analyzing trace with hash 305293600, now seen corresponding path program 1 times [2020-07-20 16:22:55,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:55,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286817743] [2020-07-20 16:22:55,377 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:55,750 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:55,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:55,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:22:55,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:55,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:55,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286817743] [2020-07-20 16:22:55,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:55,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:55,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922517648] [2020-07-20 16:22:55,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:55,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:55,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:55,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:55,809 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 3 states. [2020-07-20 16:22:55,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:55,842 INFO L93 Difference]: Finished difference Result 159 states and 187 transitions. [2020-07-20 16:22:55,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:55,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:22:55,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:55,845 INFO L225 Difference]: With dead ends: 159 [2020-07-20 16:22:55,845 INFO L226 Difference]: Without dead ends: 101 [2020-07-20 16:22:55,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:55,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-20 16:22:55,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-20 16:22:55,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-20 16:22:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2020-07-20 16:22:55,873 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 52 [2020-07-20 16:22:55,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:55,874 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2020-07-20 16:22:55,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:55,876 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2020-07-20 16:22:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 16:22:55,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:55,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:56,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:56,094 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:56,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:56,095 INFO L82 PathProgramCache]: Analyzing trace with hash -13017803, now seen corresponding path program 1 times [2020-07-20 16:22:56,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:56,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906061755] [2020-07-20 16:22:56,097 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:56,598 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:56,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:56,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:22:56,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:56,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:56,640 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:56,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906061755] [2020-07-20 16:22:56,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:56,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:56,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727639453] [2020-07-20 16:22:56,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:56,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:56,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:56,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:56,643 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 3 states. [2020-07-20 16:22:56,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:56,666 INFO L93 Difference]: Finished difference Result 245 states and 298 transitions. [2020-07-20 16:22:56,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:56,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 16:22:56,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:56,669 INFO L225 Difference]: With dead ends: 245 [2020-07-20 16:22:56,670 INFO L226 Difference]: Without dead ends: 172 [2020-07-20 16:22:56,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:56,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-20 16:22:56,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2020-07-20 16:22:56,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-07-20 16:22:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 203 transitions. [2020-07-20 16:22:56,697 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 203 transitions. Word has length 56 [2020-07-20 16:22:56,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:56,697 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 203 transitions. [2020-07-20 16:22:56,697 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 203 transitions. [2020-07-20 16:22:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 16:22:56,705 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:56,705 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:56,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:56,919 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:56,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:56,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1884102266, now seen corresponding path program 1 times [2020-07-20 16:22:56,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:56,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494150645] [2020-07-20 16:22:56,920 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:57,359 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:57,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:57,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:22:57,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:57,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:57,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494150645] [2020-07-20 16:22:57,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:57,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:57,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695811725] [2020-07-20 16:22:57,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:57,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:57,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:57,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:57,388 INFO L87 Difference]: Start difference. First operand 168 states and 203 transitions. Second operand 3 states. [2020-07-20 16:22:57,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:57,438 INFO L93 Difference]: Finished difference Result 308 states and 386 transitions. [2020-07-20 16:22:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:57,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-07-20 16:22:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:57,443 INFO L225 Difference]: With dead ends: 308 [2020-07-20 16:22:57,443 INFO L226 Difference]: Without dead ends: 305 [2020-07-20 16:22:57,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:57,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-07-20 16:22:57,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2020-07-20 16:22:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-07-20 16:22:57,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 382 transitions. [2020-07-20 16:22:57,477 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 382 transitions. Word has length 62 [2020-07-20 16:22:57,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:57,477 INFO L479 AbstractCegarLoop]: Abstraction has 305 states and 382 transitions. [2020-07-20 16:22:57,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 382 transitions. [2020-07-20 16:22:57,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 16:22:57,480 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:57,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:57,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:57,696 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:57,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:57,696 INFO L82 PathProgramCache]: Analyzing trace with hash 459802685, now seen corresponding path program 1 times [2020-07-20 16:22:57,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:57,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406832600] [2020-07-20 16:22:57,697 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:58,191 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:58,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:58,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:22:58,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:58,265 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 16:22:58,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:58,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406832600] [2020-07-20 16:22:58,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:58,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:58,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092158074] [2020-07-20 16:22:58,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:58,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:58,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:58,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:58,268 INFO L87 Difference]: Start difference. First operand 305 states and 382 transitions. Second operand 6 states. [2020-07-20 16:22:58,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:58,698 INFO L93 Difference]: Finished difference Result 796 states and 1030 transitions. [2020-07-20 16:22:58,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:22:58,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 16:22:58,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:58,710 INFO L225 Difference]: With dead ends: 796 [2020-07-20 16:22:58,711 INFO L226 Difference]: Without dead ends: 519 [2020-07-20 16:22:58,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:58,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-07-20 16:22:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 432. [2020-07-20 16:22:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-07-20 16:22:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 539 transitions. [2020-07-20 16:22:58,752 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 539 transitions. Word has length 92 [2020-07-20 16:22:58,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:58,753 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 539 transitions. [2020-07-20 16:22:58,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 539 transitions. [2020-07-20 16:22:58,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-20 16:22:58,756 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:58,756 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:58,971 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:58,972 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:58,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:58,973 INFO L82 PathProgramCache]: Analyzing trace with hash 211004953, now seen corresponding path program 1 times [2020-07-20 16:22:58,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:58,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061805740] [2020-07-20 16:22:58,974 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:59,303 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:59,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:59,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:22:59,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 16:22:59,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:59,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061805740] [2020-07-20 16:22:59,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:59,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:59,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768501183] [2020-07-20 16:22:59,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:59,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:59,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:59,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:59,372 INFO L87 Difference]: Start difference. First operand 432 states and 539 transitions. Second operand 6 states. [2020-07-20 16:22:59,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:59,683 INFO L93 Difference]: Finished difference Result 622 states and 789 transitions. [2020-07-20 16:22:59,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:22:59,684 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2020-07-20 16:22:59,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:59,685 INFO L225 Difference]: With dead ends: 622 [2020-07-20 16:22:59,685 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:22:59,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:59,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:22:59,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:22:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:22:59,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:22:59,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2020-07-20 16:22:59,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:59,688 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:22:59,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:59,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:22:59,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:22:59,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:59,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:23:01,339 INFO L268 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-07-20 16:23:01,339 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 483) no Hoare annotation was computed. [2020-07-20 16:23:01,339 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-07-20 16:23:01,340 INFO L268 CegarLoopResult]: For program point L473-2(lines 473 494) no Hoare annotation was computed. [2020-07-20 16:23:01,340 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 448 503) no Hoare annotation was computed. [2020-07-20 16:23:01,340 INFO L268 CegarLoopResult]: For program point L495(lines 472 496) no Hoare annotation was computed. [2020-07-20 16:23:01,340 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 448 503) no Hoare annotation was computed. [2020-07-20 16:23:01,341 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 448 503) no Hoare annotation was computed. [2020-07-20 16:23:01,341 INFO L268 CegarLoopResult]: For program point L536(lines 536 540) no Hoare annotation was computed. [2020-07-20 16:23:01,341 INFO L268 CegarLoopResult]: For program point L536-1(lines 536 540) no Hoare annotation was computed. [2020-07-20 16:23:01,341 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 504 563) no Hoare annotation was computed. [2020-07-20 16:23:01,341 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-07-20 16:23:01,341 INFO L268 CegarLoopResult]: For program point L530-2(lines 530 555) no Hoare annotation was computed. [2020-07-20 16:23:01,341 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 504 563) no Hoare annotation was computed. [2020-07-20 16:23:01,341 INFO L268 CegarLoopResult]: For program point L556(lines 529 557) no Hoare annotation was computed. [2020-07-20 16:23:01,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 504 563) no Hoare annotation was computed. [2020-07-20 16:23:01,342 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-07-20 16:23:01,342 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-07-20 16:23:01,342 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 370 376) the Hoare annotation is: true [2020-07-20 16:23:01,342 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 370 376) no Hoare annotation was computed. [2020-07-20 16:23:01,342 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 377 385) no Hoare annotation was computed. [2020-07-20 16:23:01,342 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 377 385) the Hoare annotation is: true [2020-07-20 16:23:01,343 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 377 385) no Hoare annotation was computed. [2020-07-20 16:23:01,343 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,343 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2020-07-20 16:23:01,343 INFO L264 CegarLoopResult]: At program point L848(line 848) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,343 INFO L264 CegarLoopResult]: At program point L848-1(line 848) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,343 INFO L268 CegarLoopResult]: For program point L846(lines 846 853) no Hoare annotation was computed. [2020-07-20 16:23:01,344 INFO L268 CegarLoopResult]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2020-07-20 16:23:01,344 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2020-07-20 16:23:01,344 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-20 16:23:01,344 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,344 INFO L264 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,344 INFO L264 CegarLoopResult]: At program point L842-1(line 842) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,344 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-07-20 16:23:01,344 INFO L268 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-07-20 16:23:01,344 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 793 816) no Hoare annotation was computed. [2020-07-20 16:23:01,345 INFO L268 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-07-20 16:23:01,345 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-20 16:23:01,345 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 793 816) no Hoare annotation was computed. [2020-07-20 16:23:01,345 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 793 816) no Hoare annotation was computed. [2020-07-20 16:23:01,345 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-07-20 16:23:01,345 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-07-20 16:23:01,345 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-07-20 16:23:01,345 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-07-20 16:23:01,346 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-20 16:23:01,346 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 16:23:01,346 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-07-20 16:23:01,346 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 16:23:01,346 INFO L268 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-07-20 16:23:01,346 INFO L268 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-07-20 16:23:01,346 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 265 279) no Hoare annotation was computed. [2020-07-20 16:23:01,346 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:01,347 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-07-20 16:23:01,347 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 265 279) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse0 .cse1 .cse5) (or .cse4 .cse0 .cse5))) [2020-07-20 16:23:01,347 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 265 279) no Hoare annotation was computed. [2020-07-20 16:23:01,347 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 220 228) no Hoare annotation was computed. [2020-07-20 16:23:01,347 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 220 228) the Hoare annotation is: true [2020-07-20 16:23:01,347 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 220 228) no Hoare annotation was computed. [2020-07-20 16:23:01,347 INFO L268 CegarLoopResult]: For program point L248(lines 248 256) no Hoare annotation was computed. [2020-07-20 16:23:01,347 INFO L268 CegarLoopResult]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2020-07-20 16:23:01,348 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 229 264) no Hoare annotation was computed. [2020-07-20 16:23:01,348 INFO L268 CegarLoopResult]: For program point L236(lines 236 244) no Hoare annotation was computed. [2020-07-20 16:23:01,348 INFO L268 CegarLoopResult]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2020-07-20 16:23:01,348 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 229 264) no Hoare annotation was computed. [2020-07-20 16:23:01,348 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-07-20 16:23:01,348 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 229 264) no Hoare annotation was computed. [2020-07-20 16:23:01,348 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-20 16:23:01,348 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 363 369) no Hoare annotation was computed. [2020-07-20 16:23:01,348 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 363 369) the Hoare annotation is: true [2020-07-20 16:23:01,348 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 402 447) no Hoare annotation was computed. [2020-07-20 16:23:01,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 402 447) no Hoare annotation was computed. [2020-07-20 16:23:01,349 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 402 447) no Hoare annotation was computed. [2020-07-20 16:23:01,349 INFO L268 CegarLoopResult]: For program point L735(lines 735 742) no Hoare annotation was computed. [2020-07-20 16:23:01,349 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 715 760) no Hoare annotation was computed. [2020-07-20 16:23:01,349 INFO L268 CegarLoopResult]: For program point L729(lines 729 749) no Hoare annotation was computed. [2020-07-20 16:23:01,349 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 749) no Hoare annotation was computed. [2020-07-20 16:23:01,349 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 715 760) no Hoare annotation was computed. [2020-07-20 16:23:01,349 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 715 760) no Hoare annotation was computed. [2020-07-20 16:23:01,350 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 825 835) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,350 INFO L264 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,350 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 825 835) no Hoare annotation was computed. [2020-07-20 16:23:01,350 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 825 835) no Hoare annotation was computed. [2020-07-20 16:23:01,350 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 209 219) the Hoare annotation is: true [2020-07-20 16:23:01,350 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 209 219) no Hoare annotation was computed. [2020-07-20 16:23:01,350 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 209 219) no Hoare annotation was computed. [2020-07-20 16:23:01,350 INFO L271 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: true [2020-07-20 16:23:01,350 INFO L268 CegarLoopResult]: For program point L214-1(line 214) no Hoare annotation was computed. [2020-07-20 16:23:01,351 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 201 208) the Hoare annotation is: true [2020-07-20 16:23:01,351 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 201 208) no Hoare annotation was computed. [2020-07-20 16:23:01,351 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 201 208) no Hoare annotation was computed. [2020-07-20 16:23:01,351 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:23:01,351 INFO L268 CegarLoopResult]: For program point L187-1(lines 168 192) no Hoare annotation was computed. [2020-07-20 16:23:01,351 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 168 192) no Hoare annotation was computed. [2020-07-20 16:23:01,351 INFO L264 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:01,352 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 168 192) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1))) [2020-07-20 16:23:01,352 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:01,352 INFO L268 CegarLoopResult]: For program point L176(lines 176 184) no Hoare annotation was computed. [2020-07-20 16:23:01,352 INFO L264 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:01,352 INFO L268 CegarLoopResult]: For program point L174-1(line 174) no Hoare annotation was computed. [2020-07-20 16:23:01,352 INFO L268 CegarLoopResult]: For program point L172(lines 172 189) no Hoare annotation was computed. [2020-07-20 16:23:01,353 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2020-07-20 16:23:01,353 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2020-07-20 16:23:01,353 INFO L264 CegarLoopResult]: At program point testENTRY(lines 282 347) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,353 INFO L264 CegarLoopResult]: At program point L314(line 314) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,353 INFO L268 CegarLoopResult]: For program point L312(lines 312 318) no Hoare annotation was computed. [2020-07-20 16:23:01,353 INFO L268 CegarLoopResult]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2020-07-20 16:23:01,353 INFO L268 CegarLoopResult]: For program point testFINAL(lines 282 347) no Hoare annotation was computed. [2020-07-20 16:23:01,354 INFO L264 CegarLoopResult]: At program point L337(lines 292 339) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,354 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,354 INFO L268 CegarLoopResult]: For program point L302(lines 302 308) no Hoare annotation was computed. [2020-07-20 16:23:01,354 INFO L268 CegarLoopResult]: For program point L302-1(lines 302 308) no Hoare annotation was computed. [2020-07-20 16:23:01,354 INFO L268 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-07-20 16:23:01,354 INFO L264 CegarLoopResult]: At program point L340(lines 291 341) the Hoare annotation is: (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:01,354 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:01,355 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-07-20 16:23:01,355 INFO L264 CegarLoopResult]: At program point L328-1(lines 322 335) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) .cse0 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:01,355 INFO L268 CegarLoopResult]: For program point L293(lines 292 339) no Hoare annotation was computed. [2020-07-20 16:23:01,355 INFO L268 CegarLoopResult]: For program point testEXIT(lines 282 347) no Hoare annotation was computed. [2020-07-20 16:23:01,355 INFO L268 CegarLoopResult]: For program point L322(lines 322 335) no Hoare annotation was computed. [2020-07-20 16:23:01,355 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 669 714) no Hoare annotation was computed. [2020-07-20 16:23:01,355 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 669 714) no Hoare annotation was computed. [2020-07-20 16:23:01,355 INFO L268 CegarLoopResult]: For program point L689(lines 689 696) no Hoare annotation was computed. [2020-07-20 16:23:01,356 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 669 714) no Hoare annotation was computed. [2020-07-20 16:23:01,356 INFO L268 CegarLoopResult]: For program point L683(lines 683 703) no Hoare annotation was computed. [2020-07-20 16:23:01,356 INFO L268 CegarLoopResult]: For program point L683-1(lines 683 703) no Hoare annotation was computed. [2020-07-20 16:23:01,356 INFO L264 CegarLoopResult]: At program point L884(line 884) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0))) [2020-07-20 16:23:01,356 INFO L268 CegarLoopResult]: For program point L882(lines 882 888) no Hoare annotation was computed. [2020-07-20 16:23:01,356 INFO L268 CegarLoopResult]: For program point L881(lines 881 891) no Hoare annotation was computed. [2020-07-20 16:23:01,356 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 869 897) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:01,357 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (not (= 0 ~methaneLevelCritical~0)) .cse0) (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0))) [2020-07-20 16:23:01,357 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-07-20 16:23:01,357 INFO L268 CegarLoopResult]: For program point L877(lines 877 894) no Hoare annotation was computed. [2020-07-20 16:23:01,357 INFO L268 CegarLoopResult]: For program point L877-1(lines 869 897) no Hoare annotation was computed. [2020-07-20 16:23:01,357 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:01,357 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-07-20 16:23:01,357 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 869 897) no Hoare annotation was computed. [2020-07-20 16:23:01,357 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-07-20 16:23:01,357 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-07-20 16:23:01,358 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-07-20 16:23:01,358 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-07-20 16:23:01,358 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-07-20 16:23:01,358 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 861 868) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:01,358 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 861 868) no Hoare annotation was computed. [2020-07-20 16:23:01,358 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 861 868) no Hoare annotation was computed. [2020-07-20 16:23:01,358 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 353 362) no Hoare annotation was computed. [2020-07-20 16:23:01,358 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 353 362) no Hoare annotation was computed. [2020-07-20 16:23:01,358 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 353 362) no Hoare annotation was computed. [2020-07-20 16:23:01,359 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 566 668) no Hoare annotation was computed. [2020-07-20 16:23:01,359 INFO L268 CegarLoopResult]: For program point L636(lines 614 637) no Hoare annotation was computed. [2020-07-20 16:23:01,359 INFO L268 CegarLoopResult]: For program point L595(lines 595 611) no Hoare annotation was computed. [2020-07-20 16:23:01,359 INFO L268 CegarLoopResult]: For program point L655(lines 655 662) no Hoare annotation was computed. [2020-07-20 16:23:01,359 INFO L268 CegarLoopResult]: For program point L616(lines 615 635) no Hoare annotation was computed. [2020-07-20 16:23:01,359 INFO L268 CegarLoopResult]: For program point L647(line 647) no Hoare annotation was computed. [2020-07-20 16:23:01,359 INFO L268 CegarLoopResult]: For program point L647-1(line 647) no Hoare annotation was computed. [2020-07-20 16:23:01,359 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 566 668) no Hoare annotation was computed. [2020-07-20 16:23:01,359 INFO L268 CegarLoopResult]: For program point L612(lines 612 653) no Hoare annotation was computed. [2020-07-20 16:23:01,360 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-07-20 16:23:01,360 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-07-20 16:23:01,360 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 566 668) no Hoare annotation was computed. [2020-07-20 16:23:01,360 INFO L268 CegarLoopResult]: For program point L590(lines 590 594) no Hoare annotation was computed. [2020-07-20 16:23:01,360 INFO L268 CegarLoopResult]: For program point L654(lines 654 665) no Hoare annotation was computed. [2020-07-20 16:23:01,360 INFO L268 CegarLoopResult]: For program point L617(lines 617 621) no Hoare annotation was computed. [2020-07-20 16:23:01,360 INFO L268 CegarLoopResult]: For program point L615-2(lines 615 635) no Hoare annotation was computed. [2020-07-20 16:23:01,360 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:01,360 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:01,360 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:01,361 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2020-07-20 16:23:01,361 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2020-07-20 16:23:01,361 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 193 200) no Hoare annotation was computed. [2020-07-20 16:23:01,361 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-07-20 16:23:01,361 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-07-20 16:23:01,361 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-07-20 16:23:01,361 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:01,361 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-07-20 16:23:01,361 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-07-20 16:23:01,362 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:01,362 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:23:01,362 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:01,362 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-07-20 16:23:01,362 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-07-20 16:23:01,362 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-07-20 16:23:01,362 INFO L264 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (and (= 0 ~methAndRunningLastTime~0) .cse1)) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:01,362 INFO L264 CegarLoopResult]: At program point L147(lines 147 153) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (and (= 0 ~methAndRunningLastTime~0) .cse1)) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:01,363 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0 (and (= 0 ~methAndRunningLastTime~0) .cse1)) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:23:01,363 INFO L264 CegarLoopResult]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse0))) [2020-07-20 16:23:01,363 INFO L268 CegarLoopResult]: For program point L140(lines 139 158) no Hoare annotation was computed. [2020-07-20 16:23:01,363 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2020-07-20 16:23:01,363 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 136 159) no Hoare annotation was computed. [2020-07-20 16:23:01,363 INFO L271 CegarLoopResult]: At program point L769(line 769) the Hoare annotation is: true [2020-07-20 16:23:01,363 INFO L268 CegarLoopResult]: For program point L769-1(line 769) no Hoare annotation was computed. [2020-07-20 16:23:01,364 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 763 792) no Hoare annotation was computed. [2020-07-20 16:23:01,364 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 763 792) the Hoare annotation is: true [2020-07-20 16:23:01,364 INFO L271 CegarLoopResult]: At program point L788(lines 763 792) the Hoare annotation is: true [2020-07-20 16:23:01,364 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-20 16:23:01,364 INFO L268 CegarLoopResult]: For program point L777(lines 777 781) no Hoare annotation was computed. [2020-07-20 16:23:01,364 INFO L271 CegarLoopResult]: At program point L777-1(lines 777 781) the Hoare annotation is: true [2020-07-20 16:23:01,364 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-07-20 16:23:01,364 INFO L271 CegarLoopResult]: At program point L773-2(lines 773 787) the Hoare annotation is: true [2020-07-20 16:23:01,364 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-07-20 16:23:01,365 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-07-20 16:23:01,365 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-07-20 16:23:01,380 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 817 823) no Hoare annotation was computed. [2020-07-20 16:23:01,381 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 817 823) the Hoare annotation is: true [2020-07-20 16:23:01,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:01,381 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 16:23:01,381 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:01,381 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:01,381 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-07-20 16:23:01,381 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-07-20 16:23:01,381 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2020-07-20 16:23:01,382 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 387 394) no Hoare annotation was computed. [2020-07-20 16:23:01,382 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 391) no Hoare annotation was computed. [2020-07-20 16:23:01,382 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 387 394) the Hoare annotation is: true [2020-07-20 16:23:01,382 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 387 394) no Hoare annotation was computed. [2020-07-20 16:23:01,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:01 BoogieIcfgContainer [2020-07-20 16:23:01,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:01,400 INFO L168 Benchmark]: Toolchain (without parser) took 9020.86 ms. Allocated memory was 138.4 MB in the beginning and 309.9 MB in the end (delta: 171.4 MB). Free memory was 101.2 MB in the beginning and 276.7 MB in the end (delta: -175.5 MB). Peak memory consumption was 157.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:01,401 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:23:01,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.29 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 172.8 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:01,403 INFO L168 Benchmark]: Boogie Preprocessor took 101.67 ms. Allocated memory is still 202.9 MB. Free memory was 172.8 MB in the beginning and 168.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:01,404 INFO L168 Benchmark]: RCFGBuilder took 1164.13 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 168.1 MB in the beginning and 201.6 MB in the end (delta: -33.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:01,405 INFO L168 Benchmark]: TraceAbstraction took 7088.32 ms. Allocated memory was 236.5 MB in the beginning and 309.9 MB in the end (delta: 73.4 MB). Free memory was 201.6 MB in the beginning and 276.7 MB in the end (delta: -75.0 MB). Peak memory consumption was 159.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:01,409 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.29 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.7 MB in the beginning and 172.8 MB in the end (delta: -72.0 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.67 ms. Allocated memory is still 202.9 MB. Free memory was 172.8 MB in the beginning and 168.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1164.13 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 168.1 MB in the beginning and 201.6 MB in the end (delta: -33.6 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7088.32 ms. Allocated memory was 236.5 MB in the beginning and 309.9 MB in the end (delta: 73.4 MB). Free memory was 201.6 MB in the beginning and 276.7 MB in the end (delta: -75.0 MB). Peak memory consumption was 159.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 391]: 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: 292]: Loop Invariant Derived loop invariant: (((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((0 == methAndRunningLastTime && 0 == pumpRunning) && splverifierCounter <= 0)) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((!(0 == \old(methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 753 SDtfs, 290 SDslu, 734 SDs, 0 SdLazy, 281 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 403 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 473 PreInvPairs, 502 NumberOfFragments, 865 HoareAnnotationTreeSize, 473 FomulaSimplifications, 435 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1525 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 409 NumberOfCodeBlocks, 361 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 403 ConstructedInterpolants, 0 QuantifiedInterpolants, 52927 SizeOfPredicates, 15 NumberOfNonLiveVariables, 4269 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 52/52 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...