/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_FUNCTIONS --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_spec1_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:00:23,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:00:23,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:00:23,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:00:23,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:00:23,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:00:23,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:00:23,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:00:23,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:00:23,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:00:23,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:00:23,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:00:23,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:00:23,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:00:23,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:00:23,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:00:23,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:00:23,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:00:23,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:00:23,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:00:23,166 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:00:23,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:00:23,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:00:23,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:00:23,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:00:23,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:00:23,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:00:23,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:00:23,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:00:23,179 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:00:23,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:00:23,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:00:23,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:00:23,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:00:23,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:00:23,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:00:23,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:00:23,184 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:00:23,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:00:23,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:00:23,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:00:23,187 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 13:00:23,222 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:00:23,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:00:23,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:00:23,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:00:23,228 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:00:23,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:00:23,228 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:00:23,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:00:23,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:00:23,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:00:23,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:00:23,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:00:23,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:00:23,232 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:00:23,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:00:23,232 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:00:23,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:00:23,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:00:23,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:00:23,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:00:23,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:00:23,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:00:23,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:00:23,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:00:23,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:00:23,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:00:23,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:23,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:00:23,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:00:23,239 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_FUNCTIONS 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 13:00:23,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:00:23,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:00:23,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:00:23,552 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:00:23,552 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:00:23,553 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2020-07-20 13:00:23,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf89f21d/83d574bfa17548f8bd7337aa17ae60fc/FLAGc670e197b [2020-07-20 13:00:24,131 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:00:24,137 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2020-07-20 13:00:24,153 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf89f21d/83d574bfa17548f8bd7337aa17ae60fc/FLAGc670e197b [2020-07-20 13:00:24,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf89f21d/83d574bfa17548f8bd7337aa17ae60fc [2020-07-20 13:00:24,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:00:24,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:00:24,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:00:24,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:00:24,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:00:24,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:24,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce2c12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:24, skipping insertion in model container [2020-07-20 13:00:24,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:24" (1/1) ... [2020-07-20 13:00:24,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:00:24,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:00:24,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:00:24,981 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:00:25,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:00:25,085 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:00:25,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25 WrapperNode [2020-07-20 13:00:25,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:00:25,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:00:25,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:00:25,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:00:25,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25" (1/1) ... [2020-07-20 13:00:25,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25" (1/1) ... [2020-07-20 13:00:25,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25" (1/1) ... [2020-07-20 13:00:25,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25" (1/1) ... [2020-07-20 13:00:25,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25" (1/1) ... [2020-07-20 13:00:25,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25" (1/1) ... [2020-07-20 13:00:25,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25" (1/1) ... [2020-07-20 13:00:25,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:00:25,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:00:25,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:00:25,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:00:25,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25" (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 13:00:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:00:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:00:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:00:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:00:25,246 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:00:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:00:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:00:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:00:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:00:25,247 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:00:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:00:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:00:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:00:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:00:25,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:00:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:00:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:00:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:00:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:00:25,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:00:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:00:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:00:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:00:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:00:25,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:00:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 13:00:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:00:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:00:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:00:25,251 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:00:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:00:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:00:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:00:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:00:25,252 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:00:25,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:00:25,253 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:00:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:00:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:00:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:00:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:00:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:00:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:00:25,254 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:00:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 13:00:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:00:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:00:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:00:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:00:25,255 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:00:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:00:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:00:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:00:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:00:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:00:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:00:25,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:00:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:00:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:00:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:00:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:00:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:00:25,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:00:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:00:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:00:25,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:00:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:00:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:00:25,259 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:00:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:00:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:00:25,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:00:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:00:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:00:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:00:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:00:25,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:00:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:00:26,337 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:00:26,337 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:00:26,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:26 BoogieIcfgContainer [2020-07-20 13:00:26,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:00:26,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:00:26,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:00:26,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:00:26,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:00:24" (1/3) ... [2020-07-20 13:00:26,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f44cd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:26, skipping insertion in model container [2020-07-20 13:00:26,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:25" (2/3) ... [2020-07-20 13:00:26,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f44cd32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:00:26, skipping insertion in model container [2020-07-20 13:00:26,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:00:26" (3/3) ... [2020-07-20 13:00:26,353 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2020-07-20 13:00:26,364 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:00:26,373 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:00:26,388 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:00:26,420 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:00:26,420 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:00:26,420 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:00:26,420 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:00:26,420 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:00:26,420 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:00:26,420 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:00:26,421 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:00:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2020-07-20 13:00:26,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:00:26,451 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:26,451 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] [2020-07-20 13:00:26,452 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:26,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:26,457 INFO L82 PathProgramCache]: Analyzing trace with hash 214690501, now seen corresponding path program 1 times [2020-07-20 13:00:26,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:26,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556885798] [2020-07-20 13:00:26,464 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 13:00:27,094 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:00:27,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:27,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:00:27,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:27,139 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 13:00:27,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:27,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556885798] [2020-07-20 13:00:27,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:27,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:00:27,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406707394] [2020-07-20 13:00:27,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:00:27,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:27,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:00:27,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:00:27,167 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2020-07-20 13:00:27,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:27,217 INFO L93 Difference]: Finished difference Result 198 states and 249 transitions. [2020-07-20 13:00:27,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:00:27,219 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:00:27,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:27,231 INFO L225 Difference]: With dead ends: 198 [2020-07-20 13:00:27,232 INFO L226 Difference]: Without dead ends: 99 [2020-07-20 13:00:27,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 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 13:00:27,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-20 13:00:27,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2020-07-20 13:00:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-07-20 13:00:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2020-07-20 13:00:27,291 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2020-07-20 13:00:27,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:27,292 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2020-07-20 13:00:27,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:00:27,292 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2020-07-20 13:00:27,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:00:27,296 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:27,297 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] [2020-07-20 13:00:27,512 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:27,512 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:27,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:27,513 INFO L82 PathProgramCache]: Analyzing trace with hash -780054523, now seen corresponding path program 1 times [2020-07-20 13:00:27,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:27,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [947023555] [2020-07-20 13:00:27,515 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 13:00:28,018 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:00:28,018 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:28,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:00:28,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:28,065 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 13:00:28,065 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:28,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [947023555] [2020-07-20 13:00:28,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:28,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:00:28,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067555775] [2020-07-20 13:00:28,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:00:28,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:28,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:00:28,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:00:28,069 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 3 states. [2020-07-20 13:00:28,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:28,086 INFO L93 Difference]: Finished difference Result 147 states and 171 transitions. [2020-07-20 13:00:28,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:00:28,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:00:28,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:28,090 INFO L225 Difference]: With dead ends: 147 [2020-07-20 13:00:28,090 INFO L226 Difference]: Without dead ends: 90 [2020-07-20 13:00:28,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 13:00:28,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-20 13:00:28,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-07-20 13:00:28,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-20 13:00:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-07-20 13:00:28,105 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2020-07-20 13:00:28,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:28,108 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-07-20 13:00:28,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:00:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-07-20 13:00:28,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:00:28,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:28,111 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 13:00:28,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:28,327 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:28,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:28,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1480057992, now seen corresponding path program 1 times [2020-07-20 13:00:28,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:28,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [178545087] [2020-07-20 13:00:28,331 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 13:00:28,809 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:00:28,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:28,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 644 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:00:28,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:28,839 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 13:00:28,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:28,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [178545087] [2020-07-20 13:00:28,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:28,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:00:28,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102876911] [2020-07-20 13:00:28,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:00:28,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:28,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:00:28,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:00:28,842 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 3 states. [2020-07-20 13:00:28,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:28,861 INFO L93 Difference]: Finished difference Result 156 states and 185 transitions. [2020-07-20 13:00:28,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:00:28,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 13:00:28,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:28,863 INFO L225 Difference]: With dead ends: 156 [2020-07-20 13:00:28,863 INFO L226 Difference]: Without dead ends: 90 [2020-07-20 13:00:28,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 13:00:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-07-20 13:00:28,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-07-20 13:00:28,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-20 13:00:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2020-07-20 13:00:28,876 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2020-07-20 13:00:28,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:28,877 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2020-07-20 13:00:28,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:00:28,877 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2020-07-20 13:00:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:00:28,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:00:28,879 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] [2020-07-20 13:00:29,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:29,093 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:00:29,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:00:29,094 INFO L82 PathProgramCache]: Analyzing trace with hash -645246501, now seen corresponding path program 1 times [2020-07-20 13:00:29,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:00:29,095 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1749703670] [2020-07-20 13:00:29,096 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 13:00:29,477 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:00:29,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:00:29,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:00:29,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:00:29,532 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 13:00:29,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:00:29,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1749703670] [2020-07-20 13:00:29,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:00:29,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:00:29,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358805520] [2020-07-20 13:00:29,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:00:29,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:00:29,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:00:29,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:00:29,535 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 6 states. [2020-07-20 13:00:29,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:00:29,703 INFO L93 Difference]: Finished difference Result 138 states and 163 transitions. [2020-07-20 13:00:29,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:00:29,704 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-20 13:00:29,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:00:29,705 INFO L225 Difference]: With dead ends: 138 [2020-07-20 13:00:29,705 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:00:29,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:00:29,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:00:29,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:00:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:00:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:00:29,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-20 13:00:29,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:00:29,708 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:00:29,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:00:29,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:00:29,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:00:29,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:29,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:00:30,439 INFO L268 CegarLoopResult]: For program point L417-2(lines 417 438) no Hoare annotation was computed. [2020-07-20 13:00:30,440 INFO L268 CegarLoopResult]: For program point L439(lines 416 440) no Hoare annotation was computed. [2020-07-20 13:00:30,440 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 392 447) no Hoare annotation was computed. [2020-07-20 13:00:30,440 INFO L268 CegarLoopResult]: For program point L423(lines 423 427) no Hoare annotation was computed. [2020-07-20 13:00:30,440 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 392 447) no Hoare annotation was computed. [2020-07-20 13:00:30,440 INFO L268 CegarLoopResult]: For program point L423-1(lines 423 427) no Hoare annotation was computed. [2020-07-20 13:00:30,440 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 392 447) no Hoare annotation was computed. [2020-07-20 13:00:30,440 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 13:00:30,440 INFO L268 CegarLoopResult]: For program point L480(lines 480 484) no Hoare annotation was computed. [2020-07-20 13:00:30,440 INFO L268 CegarLoopResult]: For program point L480-1(lines 480 484) no Hoare annotation was computed. [2020-07-20 13:00:30,441 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-20 13:00:30,441 INFO L268 CegarLoopResult]: For program point L474-2(lines 474 499) no Hoare annotation was computed. [2020-07-20 13:00:30,441 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 448 507) no Hoare annotation was computed. [2020-07-20 13:00:30,441 INFO L268 CegarLoopResult]: For program point L500(lines 473 501) no Hoare annotation was computed. [2020-07-20 13:00:30,441 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 448 507) no Hoare annotation was computed. [2020-07-20 13:00:30,441 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-20 13:00:30,441 INFO L268 CegarLoopResult]: For program point L493-1(line 493) no Hoare annotation was computed. [2020-07-20 13:00:30,441 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 448 507) no Hoare annotation was computed. [2020-07-20 13:00:30,442 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 849 855) the Hoare annotation is: true [2020-07-20 13:00:30,442 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 849 855) no Hoare annotation was computed. [2020-07-20 13:00:30,442 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 856 864) no Hoare annotation was computed. [2020-07-20 13:00:30,442 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 856 864) the Hoare annotation is: true [2020-07-20 13:00:30,442 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 856 864) no Hoare annotation was computed. [2020-07-20 13:00:30,442 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 807 829) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,442 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 807 829) no Hoare annotation was computed. [2020-07-20 13:00:30,442 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,443 INFO L264 CegarLoopResult]: At program point L819-1(line 819) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,443 INFO L268 CegarLoopResult]: For program point L817(lines 817 824) no Hoare annotation was computed. [2020-07-20 13:00:30,443 INFO L268 CegarLoopResult]: For program point L817-1(lines 817 824) no Hoare annotation was computed. [2020-07-20 13:00:30,443 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-07-20 13:00:30,443 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,443 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,443 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 807 829) no Hoare annotation was computed. [2020-07-20 13:00:30,444 INFO L264 CegarLoopResult]: At program point L813-1(line 813) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,444 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-07-20 13:00:30,444 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-20 13:00:30,444 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 763 786) no Hoare annotation was computed. [2020-07-20 13:00:30,444 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 763 786) no Hoare annotation was computed. [2020-07-20 13:00:30,444 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 763 786) no Hoare annotation was computed. [2020-07-20 13:00:30,444 INFO L268 CegarLoopResult]: For program point L781(line 781) no Hoare annotation was computed. [2020-07-20 13:00:30,445 INFO L268 CegarLoopResult]: For program point L780(line 780) no Hoare annotation was computed. [2020-07-20 13:00:30,445 INFO L268 CegarLoopResult]: For program point L779(line 779) no Hoare annotation was computed. [2020-07-20 13:00:30,445 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-07-20 13:00:30,445 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-07-20 13:00:30,445 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-07-20 13:00:30,445 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-07-20 13:00:30,445 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-07-20 13:00:30,446 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-07-20 13:00:30,446 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-07-20 13:00:30,446 INFO L268 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-07-20 13:00:30,446 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-07-20 13:00:30,446 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 219 227) no Hoare annotation was computed. [2020-07-20 13:00:30,446 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 219 227) the Hoare annotation is: true [2020-07-20 13:00:30,446 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 219 227) no Hoare annotation was computed. [2020-07-20 13:00:30,447 INFO L268 CegarLoopResult]: For program point L258-1(line 258) no Hoare annotation was computed. [2020-07-20 13:00:30,447 INFO L268 CegarLoopResult]: For program point L247(lines 247 255) no Hoare annotation was computed. [2020-07-20 13:00:30,447 INFO L268 CegarLoopResult]: For program point L247-2(lines 247 255) no Hoare annotation was computed. [2020-07-20 13:00:30,447 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 228 263) no Hoare annotation was computed. [2020-07-20 13:00:30,447 INFO L268 CegarLoopResult]: For program point L235(lines 235 243) no Hoare annotation was computed. [2020-07-20 13:00:30,447 INFO L268 CegarLoopResult]: For program point L235-2(lines 235 243) no Hoare annotation was computed. [2020-07-20 13:00:30,447 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 228 263) no Hoare annotation was computed. [2020-07-20 13:00:30,448 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 228 263) no Hoare annotation was computed. [2020-07-20 13:00:30,448 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-07-20 13:00:30,448 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 842 848) no Hoare annotation was computed. [2020-07-20 13:00:30,448 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 842 848) the Hoare annotation is: true [2020-07-20 13:00:30,448 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 346 391) no Hoare annotation was computed. [2020-07-20 13:00:30,448 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 346 391) no Hoare annotation was computed. [2020-07-20 13:00:30,448 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 346 391) no Hoare annotation was computed. [2020-07-20 13:00:30,449 INFO L268 CegarLoopResult]: For program point L673(lines 673 693) no Hoare annotation was computed. [2020-07-20 13:00:30,449 INFO L268 CegarLoopResult]: For program point L673-1(lines 673 693) no Hoare annotation was computed. [2020-07-20 13:00:30,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 659 704) no Hoare annotation was computed. [2020-07-20 13:00:30,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 659 704) no Hoare annotation was computed. [2020-07-20 13:00:30,449 INFO L268 CegarLoopResult]: For program point L679(lines 679 686) no Hoare annotation was computed. [2020-07-20 13:00:30,449 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 659 704) no Hoare annotation was computed. [2020-07-20 13:00:30,449 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 794 803) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,450 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 794 803) no Hoare annotation was computed. [2020-07-20 13:00:30,450 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 794 803) no Hoare annotation was computed. [2020-07-20 13:00:30,450 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 208 218) the Hoare annotation is: true [2020-07-20 13:00:30,450 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 208 218) no Hoare annotation was computed. [2020-07-20 13:00:30,450 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 208 218) no Hoare annotation was computed. [2020-07-20 13:00:30,450 INFO L271 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: true [2020-07-20 13:00:30,450 INFO L268 CegarLoopResult]: For program point L213-1(line 213) no Hoare annotation was computed. [2020-07-20 13:00:30,451 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 200 207) the Hoare annotation is: true [2020-07-20 13:00:30,451 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 200 207) no Hoare annotation was computed. [2020-07-20 13:00:30,451 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 200 207) no Hoare annotation was computed. [2020-07-20 13:00:30,451 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,451 INFO L268 CegarLoopResult]: For program point L186-1(lines 167 191) no Hoare annotation was computed. [2020-07-20 13:00:30,451 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 167 191) no Hoare annotation was computed. [2020-07-20 13:00:30,451 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:00:30,451 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 167 191) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,452 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:00:30,452 INFO L268 CegarLoopResult]: For program point L175(lines 175 183) no Hoare annotation was computed. [2020-07-20 13:00:30,452 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:00:30,452 INFO L268 CegarLoopResult]: For program point L173-1(line 173) no Hoare annotation was computed. [2020-07-20 13:00:30,452 INFO L268 CegarLoopResult]: For program point L171(lines 171 188) no Hoare annotation was computed. [2020-07-20 13:00:30,452 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 159 165) no Hoare annotation was computed. [2020-07-20 13:00:30,452 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 159 165) the Hoare annotation is: true [2020-07-20 13:00:30,453 INFO L264 CegarLoopResult]: At program point testENTRY(lines 275 338) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,453 INFO L268 CegarLoopResult]: For program point L287(lines 287 291) no Hoare annotation was computed. [2020-07-20 13:00:30,453 INFO L268 CegarLoopResult]: For program point testFINAL(lines 275 338) no Hoare annotation was computed. [2020-07-20 13:00:30,453 INFO L264 CegarLoopResult]: At program point L331(lines 284 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:00:30,453 INFO L268 CegarLoopResult]: For program point L321(lines 321 325) no Hoare annotation was computed. [2020-07-20 13:00:30,453 INFO L264 CegarLoopResult]: At program point L321-2(lines 315 326) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 13:00:30,454 INFO L268 CegarLoopResult]: For program point L286(lines 285 330) no Hoare annotation was computed. [2020-07-20 13:00:30,454 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-20 13:00:30,454 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 13:00:30,454 INFO L268 CegarLoopResult]: For program point L305(lines 305 311) no Hoare annotation was computed. [2020-07-20 13:00:30,454 INFO L268 CegarLoopResult]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2020-07-20 13:00:30,454 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 13:00:30,455 INFO L264 CegarLoopResult]: At program point L328(lines 285 330) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-20 13:00:30,455 INFO L268 CegarLoopResult]: For program point L295(lines 295 301) no Hoare annotation was computed. [2020-07-20 13:00:30,455 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2020-07-20 13:00:30,455 INFO L268 CegarLoopResult]: For program point testEXIT(lines 275 338) no Hoare annotation was computed. [2020-07-20 13:00:30,455 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 613 658) no Hoare annotation was computed. [2020-07-20 13:00:30,455 INFO L268 CegarLoopResult]: For program point L633(lines 633 640) no Hoare annotation was computed. [2020-07-20 13:00:30,455 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 613 658) no Hoare annotation was computed. [2020-07-20 13:00:30,455 INFO L268 CegarLoopResult]: For program point L627(lines 627 647) no Hoare annotation was computed. [2020-07-20 13:00:30,456 INFO L268 CegarLoopResult]: For program point L627-1(lines 627 647) no Hoare annotation was computed. [2020-07-20 13:00:30,456 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 613 658) no Hoare annotation was computed. [2020-07-20 13:00:30,456 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2020-07-20 13:00:30,456 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2020-07-20 13:00:30,456 INFO L268 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2020-07-20 13:00:30,456 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2020-07-20 13:00:30,457 INFO L268 CegarLoopResult]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2020-07-20 13:00:30,457 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 510 612) no Hoare annotation was computed. [2020-07-20 13:00:30,457 INFO L268 CegarLoopResult]: For program point L539(lines 539 555) no Hoare annotation was computed. [2020-07-20 13:00:30,457 INFO L268 CegarLoopResult]: For program point L599(lines 599 606) no Hoare annotation was computed. [2020-07-20 13:00:30,457 INFO L268 CegarLoopResult]: For program point L560(lines 559 579) no Hoare annotation was computed. [2020-07-20 13:00:30,457 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-07-20 13:00:30,457 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 13:00:30,457 INFO L268 CegarLoopResult]: For program point L556(lines 556 597) no Hoare annotation was computed. [2020-07-20 13:00:30,458 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 510 612) no Hoare annotation was computed. [2020-07-20 13:00:30,458 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-07-20 13:00:30,458 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-07-20 13:00:30,458 INFO L268 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2020-07-20 13:00:30,458 INFO L268 CegarLoopResult]: For program point L598(lines 598 609) no Hoare annotation was computed. [2020-07-20 13:00:30,458 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 510 612) no Hoare annotation was computed. [2020-07-20 13:00:30,458 INFO L268 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-07-20 13:00:30,459 INFO L268 CegarLoopResult]: For program point L559-2(lines 559 579) no Hoare annotation was computed. [2020-07-20 13:00:30,459 INFO L268 CegarLoopResult]: For program point L580(lines 558 581) no Hoare annotation was computed. [2020-07-20 13:00:30,459 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 832 841) no Hoare annotation was computed. [2020-07-20 13:00:30,459 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 832 841) no Hoare annotation was computed. [2020-07-20 13:00:30,459 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 832 841) no Hoare annotation was computed. [2020-07-20 13:00:30,459 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,459 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:00:30,460 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,460 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 192 199) no Hoare annotation was computed. [2020-07-20 13:00:30,460 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 192 199) no Hoare annotation was computed. [2020-07-20 13:00:30,460 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 192 199) no Hoare annotation was computed. [2020-07-20 13:00:30,460 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 116 124) no Hoare annotation was computed. [2020-07-20 13:00:30,460 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2020-07-20 13:00:30,460 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2020-07-20 13:00:30,460 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2020-07-20 13:00:30,460 INFO L268 CegarLoopResult]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2020-07-20 13:00:30,461 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2020-07-20 13:00:30,461 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,461 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,461 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,461 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2020-07-20 13:00:30,461 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2020-07-20 13:00:30,461 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2020-07-20 13:00:30,462 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,462 INFO L264 CegarLoopResult]: At program point L146(lines 146 152) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,462 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 13:00:30,462 INFO L264 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:00:30,462 INFO L268 CegarLoopResult]: For program point L139(lines 138 157) no Hoare annotation was computed. [2020-07-20 13:00:30,462 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2020-07-20 13:00:30,462 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2020-07-20 13:00:30,462 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 733 762) no Hoare annotation was computed. [2020-07-20 13:00:30,463 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 733 762) the Hoare annotation is: true [2020-07-20 13:00:30,463 INFO L271 CegarLoopResult]: At program point L758(lines 733 762) the Hoare annotation is: true [2020-07-20 13:00:30,463 INFO L268 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-07-20 13:00:30,463 INFO L268 CegarLoopResult]: For program point L747(lines 747 751) no Hoare annotation was computed. [2020-07-20 13:00:30,463 INFO L271 CegarLoopResult]: At program point L747-1(lines 747 751) the Hoare annotation is: true [2020-07-20 13:00:30,463 INFO L268 CegarLoopResult]: For program point L744(line 744) no Hoare annotation was computed. [2020-07-20 13:00:30,463 INFO L271 CegarLoopResult]: At program point L743-2(lines 743 757) the Hoare annotation is: true [2020-07-20 13:00:30,464 INFO L271 CegarLoopResult]: At program point L739(line 739) the Hoare annotation is: true [2020-07-20 13:00:30,464 INFO L268 CegarLoopResult]: For program point L739-1(line 739) no Hoare annotation was computed. [2020-07-20 13:00:30,464 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2020-07-20 13:00:30,464 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2020-07-20 13:00:30,464 INFO L268 CegarLoopResult]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2020-07-20 13:00:30,464 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 787 793) no Hoare annotation was computed. [2020-07-20 13:00:30,464 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 787 793) the Hoare annotation is: true [2020-07-20 13:00:30,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,465 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 13:00:30,465 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:00:30,465 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:00:30,465 INFO L268 CegarLoopResult]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2020-07-20 13:00:30,465 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2020-07-20 13:00:30,465 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2020-07-20 13:00:30,466 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 265 272) no Hoare annotation was computed. [2020-07-20 13:00:30,466 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed. [2020-07-20 13:00:30,466 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 265 272) the Hoare annotation is: true [2020-07-20 13:00:30,466 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 265 272) no Hoare annotation was computed. [2020-07-20 13:00:30,466 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 706 730) the Hoare annotation is: true [2020-07-20 13:00:30,466 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 706 730) no Hoare annotation was computed. [2020-07-20 13:00:30,466 INFO L264 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 13:00:30,467 INFO L268 CegarLoopResult]: For program point L718(lines 718 724) no Hoare annotation was computed. [2020-07-20 13:00:30,467 INFO L271 CegarLoopResult]: At program point L716(line 716) the Hoare annotation is: true [2020-07-20 13:00:30,467 INFO L268 CegarLoopResult]: For program point L716-1(line 716) no Hoare annotation was computed. [2020-07-20 13:00:30,467 INFO L268 CegarLoopResult]: For program point L714(lines 714 727) no Hoare annotation was computed. [2020-07-20 13:00:30,467 INFO L268 CegarLoopResult]: For program point L714-1(lines 706 730) no Hoare annotation was computed. [2020-07-20 13:00:30,467 INFO L271 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: true [2020-07-20 13:00:30,467 INFO L268 CegarLoopResult]: For program point L712-1(line 712) no Hoare annotation was computed. [2020-07-20 13:00:30,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:00:30 BoogieIcfgContainer [2020-07-20 13:00:30,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:00:30,486 INFO L168 Benchmark]: Toolchain (without parser) took 6072.32 ms. Allocated memory was 137.9 MB in the beginning and 249.0 MB in the end (delta: 111.1 MB). Free memory was 101.6 MB in the beginning and 110.0 MB in the end (delta: -8.4 MB). Peak memory consumption was 102.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,487 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.29 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 101.1 MB in the beginning and 175.2 MB in the end (delta: -74.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,489 INFO L168 Benchmark]: Boogie Preprocessor took 91.75 ms. Allocated memory is still 204.5 MB. Free memory was 175.2 MB in the beginning and 170.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,490 INFO L168 Benchmark]: RCFGBuilder took 1166.71 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.9 MB in the beginning and 205.5 MB in the end (delta: -34.6 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,491 INFO L168 Benchmark]: TraceAbstraction took 4136.64 ms. Allocated memory was 235.9 MB in the beginning and 249.0 MB in the end (delta: 13.1 MB). Free memory was 205.5 MB in the beginning and 110.0 MB in the end (delta: 95.5 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:00:30,494 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.29 ms. Allocated memory was 137.9 MB in the beginning and 204.5 MB in the end (delta: 66.6 MB). Free memory was 101.1 MB in the beginning and 175.2 MB in the end (delta: -74.0 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.75 ms. Allocated memory is still 204.5 MB. Free memory was 175.2 MB in the beginning and 170.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.71 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 170.9 MB in the beginning and 205.5 MB in the end (delta: -34.6 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4136.64 ms. Allocated memory was 235.9 MB in the beginning and 249.0 MB in the end (delta: 13.1 MB). Free memory was 205.5 MB in the beginning and 110.0 MB in the end (delta: 95.5 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 269]: 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: 733]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= systemActive) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || (0 == pumpRunning && splverifierCounter <= 0) - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 407 SDtfs, 141 SDslu, 277 SDs, 0 SdLazy, 50 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 201 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=142occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 158 PreInvPairs, 165 NumberOfFragments, 305 HoareAnnotationTreeSize, 158 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 48 FomulaSimplificationsInter, 244 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 203 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 16157 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2533 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...