/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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 16:34:07,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 16:34:07,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 16:34:07,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 16:34:07,125 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 16:34:07,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 16:34:07,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 16:34:07,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 16:34:07,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 16:34:07,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 16:34:07,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 16:34:07,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 16:34:07,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 16:34:07,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 16:34:07,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 16:34:07,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 16:34:07,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 16:34:07,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 16:34:07,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 16:34:07,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 16:34:07,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 16:34:07,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 16:34:07,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 16:34:07,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 16:34:07,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 16:34:07,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 16:34:07,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 16:34:07,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 16:34:07,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 16:34:07,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 16:34:07,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 16:34:07,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 16:34:07,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 16:34:07,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 16:34:07,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 16:34:07,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 16:34:07,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 16:34:07,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 16:34:07,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 16:34:07,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 16:34:07,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 16:34:07,158 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 16:34:07,167 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 16:34:07,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 16:34:07,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 16:34:07,168 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 16:34:07,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 16:34:07,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 16:34:07,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 16:34:07,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 16:34:07,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 16:34:07,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 16:34:07,170 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 16:34:07,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 16:34:07,170 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 16:34:07,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 16:34:07,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 16:34:07,171 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 16:34:07,171 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 16:34:07,171 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 16:34:07,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 16:34:07,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 16:34:07,172 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 16:34:07,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 16:34:07,172 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 16:34:07,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 16:34:07,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 16:34:07,454 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 16:34:07,455 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 16:34:07,456 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 16:34:07,456 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-07-17 16:34:07,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4edd149c/1d691f4472ef4c41a3029bb05789a7ae/FLAGc029e0af0 [2020-07-17 16:34:08,029 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 16:34:08,029 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-07-17 16:34:08,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4edd149c/1d691f4472ef4c41a3029bb05789a7ae/FLAGc029e0af0 [2020-07-17 16:34:08,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4edd149c/1d691f4472ef4c41a3029bb05789a7ae [2020-07-17 16:34:08,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 16:34:08,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 16:34:08,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 16:34:08,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 16:34:08,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 16:34:08,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:34:08" (1/1) ... [2020-07-17 16:34:08,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d40e82d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:08, skipping insertion in model container [2020-07-17 16:34:08,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 04:34:08" (1/1) ... [2020-07-17 16:34:08,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 16:34:08,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 16:34:08,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:34:08,782 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 16:34:08,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 16:34:09,012 INFO L208 MainTranslator]: Completed translation [2020-07-17 16:34:09,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09 WrapperNode [2020-07-17 16:34:09,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 16:34:09,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 16:34:09,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 16:34:09,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 16:34:09,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09" (1/1) ... [2020-07-17 16:34:09,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09" (1/1) ... [2020-07-17 16:34:09,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09" (1/1) ... [2020-07-17 16:34:09,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09" (1/1) ... [2020-07-17 16:34:09,069 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09" (1/1) ... [2020-07-17 16:34:09,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09" (1/1) ... [2020-07-17 16:34:09,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09" (1/1) ... [2020-07-17 16:34:09,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 16:34:09,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 16:34:09,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 16:34:09,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 16:34:09,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09" (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 16:34:09,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 16:34:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 16:34:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 16:34:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 16:34:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 16:34:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 16:34:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 16:34:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 16:34:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 16:34:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 16:34:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 16:34:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 16:34:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 16:34:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 16:34:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 16:34:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:34:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 16:34:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 16:34:09,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 16:34:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 16:34:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 16:34:09,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 16:34:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 16:34:09,168 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 16:34:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 16:34:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 16:34:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 16:34:09,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 16:34:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 16:34:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 16:34:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 16:34:09,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 16:34:09,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 16:34:09,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 16:34:09,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 16:34:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 16:34:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 16:34:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 16:34:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 16:34:09,173 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 16:34:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 16:34:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 16:34:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 16:34:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 16:34:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 16:34:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 16:34:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 16:34:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 16:34:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 16:34:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 16:34:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 16:34:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 16:34:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 16:34:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 16:34:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 16:34:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 16:34:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 16:34:09,176 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 16:34:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 16:34:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 16:34:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 16:34:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 16:34:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 16:34:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 16:34:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 16:34:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 16:34:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 16:34:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 16:34:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 16:34:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 16:34:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 16:34:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 16:34:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 16:34:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 16:34:09,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 16:34:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 16:34:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 16:34:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 16:34:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 16:34:09,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 16:34:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 16:34:09,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 16:34:10,291 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 16:34:10,291 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 16:34:10,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:34:10 BoogieIcfgContainer [2020-07-17 16:34:10,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 16:34:10,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 16:34:10,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 16:34:10,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 16:34:10,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 04:34:08" (1/3) ... [2020-07-17 16:34:10,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a01ec19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:34:10, skipping insertion in model container [2020-07-17 16:34:10,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 04:34:09" (2/3) ... [2020-07-17 16:34:10,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a01ec19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 04:34:10, skipping insertion in model container [2020-07-17 16:34:10,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 04:34:10" (3/3) ... [2020-07-17 16:34:10,310 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2020-07-17 16:34:10,321 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 16:34:10,332 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 16:34:10,347 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 16:34:10,371 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 16:34:10,371 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 16:34:10,371 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 16:34:10,371 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 16:34:10,372 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 16:34:10,372 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 16:34:10,372 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 16:34:10,372 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 16:34:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-07-17 16:34:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-17 16:34:10,426 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:10,427 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 16:34:10,427 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:10,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:10,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1134805363, now seen corresponding path program 1 times [2020-07-17 16:34:10,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:10,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1056135478] [2020-07-17 16:34:10,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:11,172 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:11,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:11,375 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 16:34:11,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1056135478] [2020-07-17 16:34:11,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:11,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 16:34:11,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793048374] [2020-07-17 16:34:11,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 16:34:11,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:11,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 16:34:11,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 16:34:11,405 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 3 states. [2020-07-17 16:34:12,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:12,431 INFO L93 Difference]: Finished difference Result 365 states and 438 transitions. [2020-07-17 16:34:12,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 16:34:12,433 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-17 16:34:12,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:12,452 INFO L225 Difference]: With dead ends: 365 [2020-07-17 16:34:12,452 INFO L226 Difference]: Without dead ends: 238 [2020-07-17 16:34:12,457 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 16:34:12,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-07-17 16:34:12,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 201. [2020-07-17 16:34:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-07-17 16:34:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 215 transitions. [2020-07-17 16:34:12,608 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 215 transitions. Word has length 153 [2020-07-17 16:34:12,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:12,609 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 215 transitions. [2020-07-17 16:34:12,609 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 16:34:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 215 transitions. [2020-07-17 16:34:12,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 16:34:12,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:12,614 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 16:34:12,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 16:34:12,615 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:12,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:12,615 INFO L82 PathProgramCache]: Analyzing trace with hash 2008587575, now seen corresponding path program 1 times [2020-07-17 16:34:12,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:12,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427800114] [2020-07-17 16:34:12,616 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:12,994 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:13,064 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 16:34:13,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427800114] [2020-07-17 16:34:13,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:13,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 16:34:13,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580126208] [2020-07-17 16:34:13,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 16:34:13,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:13,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 16:34:13,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 16:34:13,068 INFO L87 Difference]: Start difference. First operand 201 states and 215 transitions. Second operand 4 states. [2020-07-17 16:34:13,648 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 16:34:14,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:14,191 INFO L93 Difference]: Finished difference Result 282 states and 313 transitions. [2020-07-17 16:34:14,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 16:34:14,191 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-07-17 16:34:14,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:14,194 INFO L225 Difference]: With dead ends: 282 [2020-07-17 16:34:14,194 INFO L226 Difference]: Without dead ends: 221 [2020-07-17 16:34:14,196 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 16:34:14,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-17 16:34:14,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 191. [2020-07-17 16:34:14,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-07-17 16:34:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 202 transitions. [2020-07-17 16:34:14,269 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 202 transitions. Word has length 154 [2020-07-17 16:34:14,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:14,272 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 202 transitions. [2020-07-17 16:34:14,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 16:34:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 202 transitions. [2020-07-17 16:34:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-17 16:34:14,280 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:14,280 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 16:34:14,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 16:34:14,281 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:14,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:14,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1539733420, now seen corresponding path program 1 times [2020-07-17 16:34:14,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:14,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225719967] [2020-07-17 16:34:14,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:14,662 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:14,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 16:34:14,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225719967] [2020-07-17 16:34:14,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:14,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 16:34:14,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186754094] [2020-07-17 16:34:14,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 16:34:14,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:14,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 16:34:14,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 16:34:14,843 INFO L87 Difference]: Start difference. First operand 191 states and 202 transitions. Second operand 9 states. [2020-07-17 16:34:15,312 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:34:15,613 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 16:34:15,856 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 16:34:16,118 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:16,348 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:34:16,578 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:17,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:17,528 INFO L93 Difference]: Finished difference Result 302 states and 338 transitions. [2020-07-17 16:34:17,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 16:34:17,529 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-07-17 16:34:17,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:17,532 INFO L225 Difference]: With dead ends: 302 [2020-07-17 16:34:17,533 INFO L226 Difference]: Without dead ends: 221 [2020-07-17 16:34:17,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-07-17 16:34:17,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-07-17 16:34:17,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 191. [2020-07-17 16:34:17,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-07-17 16:34:17,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 201 transitions. [2020-07-17 16:34:17,583 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 201 transitions. Word has length 163 [2020-07-17 16:34:17,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:17,584 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 201 transitions. [2020-07-17 16:34:17,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 16:34:17,584 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 201 transitions. [2020-07-17 16:34:17,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-07-17 16:34:17,586 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:17,586 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 16:34:17,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 16:34:17,587 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:17,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:17,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1213081293, now seen corresponding path program 1 times [2020-07-17 16:34:17,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:17,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067745211] [2020-07-17 16:34:17,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,888 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:17,994 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 16:34:17,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067745211] [2020-07-17 16:34:17,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:17,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 16:34:17,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813504750] [2020-07-17 16:34:18,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 16:34:18,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:18,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 16:34:18,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-07-17 16:34:18,005 INFO L87 Difference]: Start difference. First operand 191 states and 201 transitions. Second operand 8 states. [2020-07-17 16:34:18,565 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:34:19,940 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:20,203 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:34:20,449 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:20,719 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:34:20,933 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 16:34:21,173 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:21,407 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 16:34:21,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:21,688 INFO L93 Difference]: Finished difference Result 368 states and 417 transitions. [2020-07-17 16:34:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 16:34:21,690 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2020-07-17 16:34:21,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:21,693 INFO L225 Difference]: With dead ends: 368 [2020-07-17 16:34:21,694 INFO L226 Difference]: Without dead ends: 287 [2020-07-17 16:34:21,695 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 16:34:21,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-07-17 16:34:21,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 262. [2020-07-17 16:34:21,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-07-17 16:34:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 284 transitions. [2020-07-17 16:34:21,802 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 284 transitions. Word has length 166 [2020-07-17 16:34:21,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:21,802 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 284 transitions. [2020-07-17 16:34:21,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 16:34:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 284 transitions. [2020-07-17 16:34:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-17 16:34:21,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:21,805 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 16:34:21,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 16:34:21,805 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:21,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:21,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1773237520, now seen corresponding path program 1 times [2020-07-17 16:34:21,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:21,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150526304] [2020-07-17 16:34:21,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,072 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 16:34:22,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 16:34:22,201 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 16:34:22,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150526304] [2020-07-17 16:34:22,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 16:34:22,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 16:34:22,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215920187] [2020-07-17 16:34:22,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 16:34:22,204 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 16:34:22,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 16:34:22,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 16:34:22,205 INFO L87 Difference]: Start difference. First operand 262 states and 284 transitions. Second operand 5 states. [2020-07-17 16:34:22,687 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 16:34:23,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 16:34:23,264 INFO L93 Difference]: Finished difference Result 361 states and 402 transitions. [2020-07-17 16:34:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 16:34:23,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2020-07-17 16:34:23,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 16:34:23,268 INFO L225 Difference]: With dead ends: 361 [2020-07-17 16:34:23,269 INFO L226 Difference]: Without dead ends: 269 [2020-07-17 16:34:23,270 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 16:34:23,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-07-17 16:34:23,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 248. [2020-07-17 16:34:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-07-17 16:34:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 263 transitions. [2020-07-17 16:34:23,345 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 263 transitions. Word has length 171 [2020-07-17 16:34:23,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 16:34:23,345 INFO L479 AbstractCegarLoop]: Abstraction has 248 states and 263 transitions. [2020-07-17 16:34:23,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 16:34:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 263 transitions. [2020-07-17 16:34:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-07-17 16:34:23,348 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 16:34:23,348 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 16:34:23,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 16:34:23,348 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 16:34:23,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 16:34:23,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1613053112, now seen corresponding path program 1 times [2020-07-17 16:34:23,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 16:34:23,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060242658] [2020-07-17 16:34:23,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 16:34:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:34:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 16:34:23,605 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-17 16:34:23,606 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 16:34:23,606 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 16:34:23,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 04:34:23 BoogieIcfgContainer [2020-07-17 16:34:23,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 16:34:23,807 INFO L168 Benchmark]: Toolchain (without parser) took 15437.80 ms. Allocated memory was 137.9 MB in the beginning and 505.9 MB in the end (delta: 368.1 MB). Free memory was 102.6 MB in the beginning and 173.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 297.1 MB. Max. memory is 7.1 GB. [2020-07-17 16:34:23,818 INFO L168 Benchmark]: CDTParser took 0.21 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-17 16:34:23,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.39 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 173.8 MB in the end (delta: -71.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-17 16:34:23,819 INFO L168 Benchmark]: Boogie Preprocessor took 87.27 ms. Allocated memory is still 202.4 MB. Free memory was 173.8 MB in the beginning and 169.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-17 16:34:23,822 INFO L168 Benchmark]: RCFGBuilder took 1200.03 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 169.6 MB in the beginning and 184.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. [2020-07-17 16:34:23,823 INFO L168 Benchmark]: TraceAbstraction took 13500.81 ms. Allocated memory was 234.4 MB in the beginning and 505.9 MB in the end (delta: 271.6 MB). Free memory was 184.6 MB in the beginning and 173.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 282.5 MB. Max. memory is 7.1 GB. [2020-07-17 16:34:23,830 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 643.39 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.2 MB in the beginning and 173.8 MB in the end (delta: -71.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.27 ms. Allocated memory is still 202.4 MB. Free memory was 173.8 MB in the beginning and 169.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1200.03 ms. Allocated memory was 202.4 MB in the beginning and 234.4 MB in the end (delta: 32.0 MB). Free memory was 169.6 MB in the beginning and 184.6 MB in the end (delta: -15.0 MB). Peak memory consumption was 88.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13500.81 ms. Allocated memory was 234.4 MB in the beginning and 505.9 MB in the end (delta: 271.6 MB). Free memory was 184.6 MB in the beginning and 173.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 282.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 302]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=173, head={176:165}, methaneLevelCritical=145, pumpRunning=0, systemActive=134, waterLevel=141] [L49] int systemActive = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=173, head={176:165}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=141] [L307] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=4, head={176:165}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=141] [L403] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=4, head={176:165}, methaneLevelCritical=145, pumpRunning=0, systemActive=1, waterLevel=1] [L404] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=173, \old(head)=176, \old(head)=165, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=4, head={176:165}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=173, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L381] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L385] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L386] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L387] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] 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] [L257] 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] [L387] 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] [L387] 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] [L389] 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] [L391] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L392] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L374] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L161] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L162] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L163] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L164] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L169] 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] [L171] 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] [L177] 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] [L179] 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] [L181] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L422] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] 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] [L187] 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] [L189] 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] [L197] 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] [L199] 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] [L212] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L56] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L65] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L71] 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] [L265] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L266] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L267] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L442] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L445] 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] [L446] 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] [L271] 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] [L271] 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] [L273] 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] [L277] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L474] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L477] 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] [L478] 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] [L277] 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] [L277] 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] [L279] 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] [L281] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L114] 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] [L115] 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] [L281] 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] [L281] 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] [L283] 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] [L287] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] __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 34 procedures, 578 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 13.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 909 SDtfs, 958 SDslu, 1144 SDs, 0 SdLazy, 1888 SolverSat, 280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=262occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s 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, 330756 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...