/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:34:53,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:34:53,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:34:53,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:34:53,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:34:53,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:34:53,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:34:53,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:34:53,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:34:53,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:34:53,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:34:53,220 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:34:53,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:34:53,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:34:53,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:34:53,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:34:53,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:34:53,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:34:53,227 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:34:53,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:34:53,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:34:53,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:34:53,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:34:53,233 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:34:53,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:34:53,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:34:53,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:34:53,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:34:53,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:34:53,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:34:53,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:34:53,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:34:53,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:34:53,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:34:53,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:34:53,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:34:53,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:34:53,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:34:53,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:34:53,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:34:53,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:34:53,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 16:34:53,253 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:34:53,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:34:53,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:34:53,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:34:53,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:34:53,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:34:53,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:34:53,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:34:53,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:34:53,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:34:53,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:34:53,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:34:53,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:34:53,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:34:53,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:34:53,257 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:34:53,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:34:53,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:34:53,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:34:53,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:34:53,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:34:53,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:34:53,259 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-17 16:34:53,525 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:34:53,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:34:53,547 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:34:53,549 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:34:53,549 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:34:53,551 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-07-17 16:34:53,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039673941/9f79222486714e2a8933564326131e37/FLAG2dd18b36f [2020-07-17 16:34:54,185 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:34:54,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product09.cil.c [2020-07-17 16:34:54,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039673941/9f79222486714e2a8933564326131e37/FLAG2dd18b36f [2020-07-17 16:34:54,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/039673941/9f79222486714e2a8933564326131e37 [2020-07-17 16:34:54,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:34:54,507 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:34:54,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:34:54,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:34:54,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:34:54,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:34:54" (1/1) ... [2020-07-17 16:34:54,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0f02d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:54, skipping insertion in model container [2020-07-17 16:34:54,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:34:54" (1/1) ... [2020-07-17 16:34:54,526 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:34:54,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:34:55,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:34:55,016 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:34:55,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:34:55,131 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:34:55,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55 WrapperNode [2020-07-17 16:34:55,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:34:55,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:34:55,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:34:55,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:34:55,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55" (1/1) ... [2020-07-17 16:34:55,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55" (1/1) ... [2020-07-17 16:34:55,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55" (1/1) ... [2020-07-17 16:34:55,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55" (1/1) ... [2020-07-17 16:34:55,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55" (1/1) ... [2020-07-17 16:34:55,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55" (1/1) ... [2020-07-17 16:34:55,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55" (1/1) ... [2020-07-17 16:34:55,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:34:55,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:34:55,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:34:55,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:34:55,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55" (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 [2020-07-17 16:34:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:34:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:34:55,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:34:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:34:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:34:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:34:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:34:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:34:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:34:55,313 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:34:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:34:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:34:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-07-17 16:34:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:34:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:34:55,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:34:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:34:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:34:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:34:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:34:55,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:34:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:34:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:34:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:34:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:34:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:34:55,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:34:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:34:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:34:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:34:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:34:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:34:55,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:34:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:34:55,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:34:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:34:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:34:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:34:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:34:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:34:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:34:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:34:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:34:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:34:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:34:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:34:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:34:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:34:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:34:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:34:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:34:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:34:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:34:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:34:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:34:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:34:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:34:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:34:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:34:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:34:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-07-17 16:34:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:34:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:34:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:34:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:34:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:34:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:34:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:34:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:34:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:34:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:34:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:34:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:34:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:34:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:34:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:34:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:34:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:34:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:34:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:34:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:34:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:34:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:34:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:34:56,388 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:34:56,388 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:34:56,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:34:56 BoogieIcfgContainer [2020-07-17 16:34:56,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:34:56,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:34:56,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:34:56,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:34:56,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:34:54" (1/3) ... [2020-07-17 16:34:56,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bde6cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:34:56, skipping insertion in model container [2020-07-17 16:34:56,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:55" (2/3) ... [2020-07-17 16:34:56,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bde6cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:34:56, skipping insertion in model container [2020-07-17 16:34:56,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:34:56" (3/3) ... [2020-07-17 16:34:56,405 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2020-07-17 16:34:56,415 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:34:56,423 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:34:56,438 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:34:56,459 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:34:56,459 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:34:56,460 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:34:56,460 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:34:56,460 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:34:56,460 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:34:56,460 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:34:56,461 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:34:56,482 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states. [2020-07-17 16:34:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-17 16:34:56,501 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:56,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:34:56,503 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:56,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:56,509 INFO L82 PathProgramCache]: Analyzing trace with hash -2059425041, now seen corresponding path program 1 times [2020-07-17 16:34:56,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:56,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893010985] [2020-07-17 16:34:56,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:57,194 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:34:57,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893010985] [2020-07-17 16:34:57,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:57,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:34:57,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548515633] [2020-07-17 16:34:57,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:34:57,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:57,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:34:57,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:34:57,379 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 3 states. [2020-07-17 16:34:58,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:58,474 INFO L93 Difference]: Finished difference Result 365 states and 438 transitions. [2020-07-17 16:34:58,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:34:58,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-17 16:34:58,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:58,499 INFO L225 Difference]: With dead ends: 365 [2020-07-17 16:34:58,499 INFO L226 Difference]: Without dead ends: 238 [2020-07-17 16:34:58,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:34:58,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-07-17 16:34:58,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 201. [2020-07-17 16:34:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-17 16:34:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 215 transitions. [2020-07-17 16:34:58,641 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 215 transitions. Word has length 153 [2020-07-17 16:34:58,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:58,642 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 215 transitions. [2020-07-17 16:34:58,642 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:34:58,642 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 215 transitions. [2020-07-17 16:34:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 16:34:58,647 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:58,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:34:58,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:34:58,648 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:58,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1720620052, now seen corresponding path program 1 times [2020-07-17 16:34:58,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:58,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438701317] [2020-07-17 16:34:58,649 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:58,958 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:34:59,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438701317] [2020-07-17 16:34:59,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:59,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:34:59,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359389455] [2020-07-17 16:34:59,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:34:59,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:59,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:34:59,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:34:59,036 INFO L87 Difference]: Start difference. First operand 201 states and 215 transitions. Second operand 4 states. [2020-07-17 16:34:59,643 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:35:00,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:00,181 INFO L93 Difference]: Finished difference Result 282 states and 313 transitions. [2020-07-17 16:35:00,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:35:00,181 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-17 16:35:00,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:00,188 INFO L225 Difference]: With dead ends: 282 [2020-07-17 16:35:00,188 INFO L226 Difference]: Without dead ends: 221 [2020-07-17 16:35:00,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:35:00,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-17 16:35:00,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 191. [2020-07-17 16:35:00,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-07-17 16:35:00,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 202 transitions. [2020-07-17 16:35:00,278 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 202 transitions. Word has length 154 [2020-07-17 16:35:00,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:00,281 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 202 transitions. [2020-07-17 16:35:00,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:35:00,281 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 202 transitions. [2020-07-17 16:35:00,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-17 16:35:00,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:00,290 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:00,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:35:00,290 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:00,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:00,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2141035662, now seen corresponding path program 1 times [2020-07-17 16:35:00,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:00,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757773715] [2020-07-17 16:35:00,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:00,686 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:00,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:00,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757773715] [2020-07-17 16:35:00,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:00,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:35:00,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857195573] [2020-07-17 16:35:00,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:35:00,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:00,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:35:00,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:35:00,830 INFO L87 Difference]: Start difference. First operand 191 states and 202 transitions. Second operand 9 states. [2020-07-17 16:35:01,347 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:01,650 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:35:01,892 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:35:02,155 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:02,391 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:35:02,624 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:03,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:03,581 INFO L93 Difference]: Finished difference Result 302 states and 338 transitions. [2020-07-17 16:35:03,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 16:35:03,584 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-07-17 16:35:03,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:03,587 INFO L225 Difference]: With dead ends: 302 [2020-07-17 16:35:03,587 INFO L226 Difference]: Without dead ends: 221 [2020-07-17 16:35:03,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:35:03,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-17 16:35:03,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 191. [2020-07-17 16:35:03,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-07-17 16:35:03,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 201 transitions. [2020-07-17 16:35:03,630 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 201 transitions. Word has length 163 [2020-07-17 16:35:03,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:03,631 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 201 transitions. [2020-07-17 16:35:03,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:35:03,631 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 201 transitions. [2020-07-17 16:35:03,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-17 16:35:03,633 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:03,633 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:03,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:35:03,634 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:03,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:03,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1523328368, now seen corresponding path program 1 times [2020-07-17 16:35:03,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:03,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [137044202] [2020-07-17 16:35:03,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:03,955 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:04,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [137044202] [2020-07-17 16:35:04,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:04,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 16:35:04,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12444547] [2020-07-17 16:35:04,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 16:35:04,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:04,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 16:35:04,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-17 16:35:04,169 INFO L87 Difference]: Start difference. First operand 191 states and 201 transitions. Second operand 8 states. [2020-07-17 16:35:04,775 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:05,866 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:06,136 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:35:06,380 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:06,620 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:06,848 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:35:07,085 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:07,323 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:35:07,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:07,596 INFO L93 Difference]: Finished difference Result 368 states and 417 transitions. [2020-07-17 16:35:07,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:35:07,597 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2020-07-17 16:35:07,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:07,601 INFO L225 Difference]: With dead ends: 368 [2020-07-17 16:35:07,601 INFO L226 Difference]: Without dead ends: 287 [2020-07-17 16:35:07,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-07-17 16:35:07,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-07-17 16:35:07,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 262. [2020-07-17 16:35:07,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-07-17 16:35:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 284 transitions. [2020-07-17 16:35:07,686 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 284 transitions. Word has length 166 [2020-07-17 16:35:07,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:07,687 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 284 transitions. [2020-07-17 16:35:07,687 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 16:35:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 284 transitions. [2020-07-17 16:35:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-17 16:35:07,689 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:07,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:07,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:35:07,690 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:07,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:07,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1767718716, now seen corresponding path program 1 times [2020-07-17 16:35:07,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:07,691 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125412815] [2020-07-17 16:35:07,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:07,962 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:35:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:35:08,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:35:08,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125412815] [2020-07-17 16:35:08,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:35:08,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 16:35:08,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754536451] [2020-07-17 16:35:08,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 16:35:08,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:35:08,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 16:35:08,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:35:08,055 INFO L87 Difference]: Start difference. First operand 262 states and 284 transitions. Second operand 5 states. [2020-07-17 16:35:08,503 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:35:09,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:35:09,038 INFO L93 Difference]: Finished difference Result 361 states and 402 transitions. [2020-07-17 16:35:09,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 16:35:09,038 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2020-07-17 16:35:09,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:35:09,041 INFO L225 Difference]: With dead ends: 361 [2020-07-17 16:35:09,041 INFO L226 Difference]: Without dead ends: 269 [2020-07-17 16:35:09,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 16:35:09,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-17 16:35:09,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 248. [2020-07-17 16:35:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-07-17 16:35:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 263 transitions. [2020-07-17 16:35:09,110 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 263 transitions. Word has length 171 [2020-07-17 16:35:09,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:35:09,110 INFO L479 AbstractCegarLoop]: Abstraction has 248 states and 263 transitions. [2020-07-17 16:35:09,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 16:35:09,111 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 263 transitions. [2020-07-17 16:35:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-17 16:35:09,113 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:35:09,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 16:35:09,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:35:09,114 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:35:09,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:35:09,114 INFO L82 PathProgramCache]: Analyzing trace with hash -645930008, now seen corresponding path program 1 times [2020-07-17 16:35:09,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:35:09,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115479680] [2020-07-17 16:35:09,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:35:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:35:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:35:09,455 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:35:09,455 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:35:09,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:35:09,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:35:09 BoogieIcfgContainer [2020-07-17 16:35:09,696 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:35:09,699 INFO L168 Benchmark]: Toolchain (without parser) took 15194.19 ms. Allocated memory was 137.9 MB in the beginning and 528.5 MB in the end (delta: 390.6 MB). Free memory was 101.7 MB in the beginning and 225.2 MB in the end (delta: -123.5 MB). Peak memory consumption was 267.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:09,705 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 16:35:09,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.81 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 171.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:09,709 INFO L168 Benchmark]: Boogie Preprocessor took 96.16 ms. Allocated memory is still 202.4 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:09,710 INFO L168 Benchmark]: RCFGBuilder took 1166.21 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 167.0 MB in the beginning and 180.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:09,711 INFO L168 Benchmark]: TraceAbstraction took 13300.10 ms. Allocated memory was 233.8 MB in the beginning and 528.5 MB in the end (delta: 294.6 MB). Free memory was 180.2 MB in the beginning and 225.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 249.6 MB. Max. memory is 7.1 GB. [2020-07-17 16:35:09,726 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 621.81 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 171.1 MB in the end (delta: -69.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.16 ms. Allocated memory is still 202.4 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1166.21 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 167.0 MB in the beginning and 180.2 MB in the end (delta: -13.2 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13300.10 ms. Allocated memory was 233.8 MB in the beginning and 528.5 MB in the end (delta: 294.6 MB). Free memory was 180.2 MB in the beginning and 225.2 MB in the end (delta: -45.0 MB). Peak memory consumption was 249.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=171, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=148, cleanupTimeShifts=4, head={176:164}, methaneLevelCritical=150, pumpRunning=140, systemActive=139, waterLevel=148] [L224] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=148, cleanupTimeShifts=4, head={176:164}, methaneLevelCritical=150, pumpRunning=0, systemActive=139, waterLevel=148] [L225] int systemActive = 1; VAL [\old(cleanupTimeShifts)=171, \old(head)=176, \old(head)=164, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=148, cleanupTimeShifts=4, head={176:164}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=148] [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=171, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=148] [L786] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=171, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=1] [L787] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=171, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=150, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L411] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L414] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L415] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L154] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L156] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L157] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L158] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L161] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L163] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L171] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L173] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L175] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L805] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L175] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L181] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L183] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L191] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L193] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L206] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L353] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L354] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L825] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L828] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L829] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L358] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L360] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L860] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L861] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L364] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L366] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L308] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L309] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L368] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L370] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L374] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 587 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 12.9s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 909 SDtfs, 958 SDslu, 1147 SDs, 0 SdLazy, 1888 SolverSat, 279 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 143 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 978 NumberOfCodeBlocks, 978 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 802 ConstructedInterpolants, 0 QuantifiedInterpolants, 329762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 incorrect! Received shutdown request...