/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:06:17,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:06:17,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:06:17,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:06:17,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:06:17,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:06:17,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:06:17,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:06:17,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:06:17,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:06:17,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:06:17,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 16:06:17,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 16:06:17,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 16:06:17,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 16:06:17,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 16:06:17,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 16:06:17,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 16:06:17,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 16:06:17,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 16:06:17,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 16:06:17,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 16:06:17,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 16:06:17,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 16:06:17,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 16:06:17,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 16:06:17,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 16:06:17,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 16:06:17,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 16:06:17,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 16:06:17,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 16:06:17,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 16:06:17,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 16:06:17,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 16:06:17,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 16:06:17,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 16:06:17,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 16:06:17,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 16:06:17,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 16:06:17,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 16:06:17,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 16:06:17,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:06:17,255 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:06:17,255 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:06:17,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:06:17,258 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:06:17,258 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:06:17,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:06:17,259 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:06:17,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:06:17,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:06:17,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:06:17,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:06:17,261 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:06:17,261 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:06:17,261 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:06:17,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:06:17,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:06:17,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:06:17,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:06:17,262 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:06:17,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:06:17,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:06:17,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:06:17,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:06:17,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:06:17,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:06:17,264 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:06:17,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:06:17,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:06:17,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:06:17,265 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:06:17,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:06:17,575 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:06:17,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:06:17,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:06:17,581 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:06:17,581 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c [2020-08-22 16:06:17,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f1142591/c1480c7269de4cdeb44ddd9e1e90c0e8/FLAG99a1c9db7 [2020-08-22 16:06:18,192 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:06:18,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c [2020-08-22 16:06:18,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f1142591/c1480c7269de4cdeb44ddd9e1e90c0e8/FLAG99a1c9db7 [2020-08-22 16:06:18,475 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f1142591/c1480c7269de4cdeb44ddd9e1e90c0e8 [2020-08-22 16:06:18,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:06:18,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:06:18,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:06:18,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:06:18,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:06:18,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:06:18" (1/1) ... [2020-08-22 16:06:18,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d6e00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:18, skipping insertion in model container [2020-08-22 16:06:18,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:06:18" (1/1) ... [2020-08-22 16:06:18,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:06:18,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:06:18,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:06:19,112 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:06:19,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:06:19,243 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:06:19,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19 WrapperNode [2020-08-22 16:06:19,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:06:19,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:06:19,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:06:19,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:06:19,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19" (1/1) ... [2020-08-22 16:06:19,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19" (1/1) ... [2020-08-22 16:06:19,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19" (1/1) ... [2020-08-22 16:06:19,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19" (1/1) ... [2020-08-22 16:06:19,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19" (1/1) ... [2020-08-22 16:06:19,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19" (1/1) ... [2020-08-22 16:06:19,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19" (1/1) ... [2020-08-22 16:06:19,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:06:19,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:06:19,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:06:19,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:06:19,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19" (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 [2020-08-22 16:06:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:06:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:06:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 16:06:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 16:06:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 16:06:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 16:06:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 16:06:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:06:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 16:06:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 16:06:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 16:06:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 16:06:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 16:06:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 16:06:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 16:06:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 16:06:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 16:06:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 16:06:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 16:06:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 16:06:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 16:06:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 16:06:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 16:06:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 16:06:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 16:06:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 16:06:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 16:06:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 16:06:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 16:06:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 16:06:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 16:06:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 16:06:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 16:06:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 16:06:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 16:06:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 16:06:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 16:06:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 16:06:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-22 16:06:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:06:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:06:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 16:06:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 16:06:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 16:06:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 16:06:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 16:06:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 16:06:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 16:06:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 16:06:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 16:06:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 16:06:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 16:06:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 16:06:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 16:06:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:06:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 16:06:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 16:06:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 16:06:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 16:06:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 16:06:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 16:06:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 16:06:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 16:06:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 16:06:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 16:06:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 16:06:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 16:06:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 16:06:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 16:06:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 16:06:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 16:06:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 16:06:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 16:06:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 16:06:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 16:06:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 16:06:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 16:06:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 16:06:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 16:06:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 16:06:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 16:06:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 16:06:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 16:06:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-22 16:06:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 16:06:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 16:06:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 16:06:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-22 16:06:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 16:06:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:06:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 16:06:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:06:20,569 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:06:20,569 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 16:06:20,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:06:20 BoogieIcfgContainer [2020-08-22 16:06:20,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:06:20,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:06:20,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:06:20,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:06:20,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:06:18" (1/3) ... [2020-08-22 16:06:20,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac0b35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:06:20, skipping insertion in model container [2020-08-22 16:06:20,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:06:19" (2/3) ... [2020-08-22 16:06:20,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac0b35a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:06:20, skipping insertion in model container [2020-08-22 16:06:20,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:06:20" (3/3) ... [2020-08-22 16:06:20,587 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26.cil.c [2020-08-22 16:06:20,598 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:06:20,606 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:06:20,618 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:06:20,641 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:06:20,641 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:06:20,641 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:06:20,641 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:06:20,642 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:06:20,642 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:06:20,642 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:06:20,642 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:06:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-08-22 16:06:20,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 16:06:20,681 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:06:20,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:06:20,683 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:06:20,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:06:20,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1563256651, now seen corresponding path program 1 times [2020-08-22 16:06:20,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:06:20,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368016702] [2020-08-22 16:06:20,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:06:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:21,457 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 16:06:21,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:06:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:06:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:21,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:06:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:21,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:06:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:21,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:06:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:21,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 16:06:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:21,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:06:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:21,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:06:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:21,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:06:21,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368016702] [2020-08-22 16:06:21,605 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:06:21,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 16:06:21,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585202593] [2020-08-22 16:06:21,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:06:21,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:06:21,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:06:21,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 16:06:21,631 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 3 states. [2020-08-22 16:06:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:06:22,735 INFO L93 Difference]: Finished difference Result 268 states and 351 transitions. [2020-08-22 16:06:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:06:22,738 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-08-22 16:06:22,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:06:22,753 INFO L225 Difference]: With dead ends: 268 [2020-08-22 16:06:22,754 INFO L226 Difference]: Without dead ends: 145 [2020-08-22 16:06:22,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 16:06:22,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-08-22 16:06:22,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 114. [2020-08-22 16:06:22,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-22 16:06:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-08-22 16:06:22,848 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 52 [2020-08-22 16:06:22,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:06:22,848 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-08-22 16:06:22,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:06:22,849 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-08-22 16:06:22,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-22 16:06:22,852 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:06:22,852 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] [2020-08-22 16:06:22,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:06:22,853 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:06:22,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:06:22,854 INFO L82 PathProgramCache]: Analyzing trace with hash 129011283, now seen corresponding path program 1 times [2020-08-22 16:06:22,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:06:22,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980368851] [2020-08-22 16:06:22,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:06:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:23,148 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 16:06:23,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:06:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:23,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:06:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:23,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:06:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:06:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:23,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:06:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:23,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 16:06:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:23,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 16:06:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:23,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-22 16:06:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:06:23,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980368851] [2020-08-22 16:06:23,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:06:23,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:06:23,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194778814] [2020-08-22 16:06:23,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 16:06:23,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:06:23,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 16:06:23,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 16:06:23,224 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 4 states. [2020-08-22 16:06:23,643 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 16:06:24,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:06:24,328 INFO L93 Difference]: Finished difference Result 197 states and 238 transitions. [2020-08-22 16:06:24,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 16:06:24,329 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-08-22 16:06:24,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:06:24,334 INFO L225 Difference]: With dead ends: 197 [2020-08-22 16:06:24,334 INFO L226 Difference]: Without dead ends: 129 [2020-08-22 16:06:24,337 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 [2020-08-22 16:06:24,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-22 16:06:24,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 105. [2020-08-22 16:06:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-22 16:06:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 120 transitions. [2020-08-22 16:06:24,375 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 120 transitions. Word has length 53 [2020-08-22 16:06:24,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:06:24,375 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 120 transitions. [2020-08-22 16:06:24,375 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 16:06:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2020-08-22 16:06:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-22 16:06:24,378 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:06:24,378 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] [2020-08-22 16:06:24,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 16:06:24,378 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:06:24,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:06:24,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1511338084, now seen corresponding path program 1 times [2020-08-22 16:06:24,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:06:24,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004867059] [2020-08-22 16:06:24,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:06:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:24,697 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 16:06:24,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:06:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:24,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:06:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:24,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:06:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:24,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:06:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:24,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:06:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:24,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 16:06:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:24,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 16:06:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:24,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 16:06:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:24,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:06:24,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004867059] [2020-08-22 16:06:24,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:06:24,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:06:24,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921581711] [2020-08-22 16:06:24,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:06:24,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:06:24,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:06:24,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:06:24,797 INFO L87 Difference]: Start difference. First operand 105 states and 120 transitions. Second operand 8 states. [2020-08-22 16:06:25,191 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 16:06:25,507 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:06:25,764 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:06:26,028 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:06:27,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:06:27,014 INFO L93 Difference]: Finished difference Result 210 states and 256 transitions. [2020-08-22 16:06:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 16:06:27,019 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-08-22 16:06:27,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:06:27,022 INFO L225 Difference]: With dead ends: 210 [2020-08-22 16:06:27,026 INFO L226 Difference]: Without dead ends: 129 [2020-08-22 16:06:27,027 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 16:06:27,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-08-22 16:06:27,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 105. [2020-08-22 16:06:27,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-22 16:06:27,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2020-08-22 16:06:27,065 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 58 [2020-08-22 16:06:27,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:06:27,066 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2020-08-22 16:06:27,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:06:27,066 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2020-08-22 16:06:27,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-22 16:06:27,068 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:06:27,068 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] [2020-08-22 16:06:27,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:06:27,068 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:06:27,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:06:27,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1273380087, now seen corresponding path program 1 times [2020-08-22 16:06:27,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:06:27,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316030576] [2020-08-22 16:06:27,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:06:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,378 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 16:06:27,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:06:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:06:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:06:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:06:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:06:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 16:06:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:06:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 16:06:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 16:06:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 16:06:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:06:27,517 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316030576] [2020-08-22 16:06:27,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:06:27,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 16:06:27,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199197560] [2020-08-22 16:06:27,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:06:27,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:06:27,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:06:27,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:06:27,520 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand 8 states. [2020-08-22 16:06:27,875 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 16:06:29,126 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:06:29,435 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:06:29,711 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 16:06:29,928 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 16:06:30,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:06:30,484 INFO L93 Difference]: Finished difference Result 314 states and 408 transitions. [2020-08-22 16:06:30,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 16:06:30,486 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-08-22 16:06:30,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:06:30,492 INFO L225 Difference]: With dead ends: 314 [2020-08-22 16:06:30,492 INFO L226 Difference]: Without dead ends: 233 [2020-08-22 16:06:30,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-22 16:06:30,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-08-22 16:06:30,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 184. [2020-08-22 16:06:30,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-08-22 16:06:30,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 215 transitions. [2020-08-22 16:06:30,548 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 215 transitions. Word has length 66 [2020-08-22 16:06:30,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:06:30,549 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 215 transitions. [2020-08-22 16:06:30,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:06:30,549 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 215 transitions. [2020-08-22 16:06:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-22 16:06:30,551 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:06:30,551 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] [2020-08-22 16:06:30,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 16:06:30,552 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:06:30,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:06:30,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1502182801, now seen corresponding path program 1 times [2020-08-22 16:06:30,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:06:30,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729066631] [2020-08-22 16:06:30,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:06:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,832 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 16:06:30,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:06:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 16:06:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 16:06:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 16:06:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 16:06:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-22 16:06:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 16:06:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 16:06:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 16:06:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-22 16:06:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 16:06:30,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:06:30,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:06:30,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729066631] [2020-08-22 16:06:30,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:06:30,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 16:06:30,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189665861] [2020-08-22 16:06:30,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 16:06:30,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:06:30,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 16:06:30,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 16:06:30,951 INFO L87 Difference]: Start difference. First operand 184 states and 215 transitions. Second operand 6 states. [2020-08-22 16:06:31,264 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 16:06:31,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:06:31,811 INFO L93 Difference]: Finished difference Result 306 states and 373 transitions. [2020-08-22 16:06:31,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:06:31,812 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-08-22 16:06:31,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:06:31,815 INFO L225 Difference]: With dead ends: 306 [2020-08-22 16:06:31,815 INFO L226 Difference]: Without dead ends: 146 [2020-08-22 16:06:31,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:06:31,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-08-22 16:06:31,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 133. [2020-08-22 16:06:31,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-08-22 16:06:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 148 transitions. [2020-08-22 16:06:31,847 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 148 transitions. Word has length 70 [2020-08-22 16:06:31,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:06:31,848 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 148 transitions. [2020-08-22 16:06:31,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 16:06:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 148 transitions. [2020-08-22 16:06:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-08-22 16:06:31,849 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:06:31,850 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] [2020-08-22 16:06:31,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:06:31,850 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:06:31,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:06:31,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1264318339, now seen corresponding path program 1 times [2020-08-22 16:06:31,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:06:31,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151752588] [2020-08-22 16:06:31,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:06:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:06:31,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:06:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 16:06:31,963 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 16:06:32,060 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-08-22 16:06:32,061 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 16:06:32,061 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 16:06:32,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:06:32 BoogieIcfgContainer [2020-08-22 16:06:32,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:06:32,233 INFO L168 Benchmark]: Toolchain (without parser) took 13744.24 ms. Allocated memory was 140.5 MB in the beginning and 425.7 MB in the end (delta: 285.2 MB). Free memory was 102.6 MB in the beginning and 89.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 298.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:32,234 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:06:32,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.99 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 173.4 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:32,241 INFO L168 Benchmark]: Boogie Preprocessor took 86.37 ms. Allocated memory is still 203.9 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:32,241 INFO L168 Benchmark]: RCFGBuilder took 1246.86 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 169.3 MB in the beginning and 200.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:32,242 INFO L168 Benchmark]: TraceAbstraction took 11650.35 ms. Allocated memory was 238.0 MB in the beginning and 425.7 MB in the end (delta: 187.7 MB). Free memory was 200.1 MB in the beginning and 89.2 MB in the end (delta: 111.0 MB). Peak memory consumption was 298.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:06:32,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.99 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 102.4 MB in the beginning and 173.4 MB in the end (delta: -71.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.37 ms. Allocated memory is still 203.9 MB. Free memory was 173.4 MB in the beginning and 169.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1246.86 ms. Allocated memory was 203.9 MB in the beginning and 238.0 MB in the end (delta: 34.1 MB). Free memory was 169.3 MB in the beginning and 200.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11650.35 ms. Allocated memory was 238.0 MB in the beginning and 425.7 MB in the end (delta: 187.7 MB). Free memory was 200.1 MB in the beginning and 89.2 MB in the end (delta: 111.0 MB). Peak memory consumption was 298.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 643]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L184] int waterLevel = 1; [L185] int methaneLevelCritical = 0; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int pumpRunning = 0; [L653] int systemActive = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=133, \old(systemActive)=132, \old(waterLevel)=136, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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(pumpRunning)=0, \old(systemActive)=1, \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(pumpRunning)=0, \old(systemActive)=1, \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(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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(pumpRunning)=0, \old(systemActive)=1, \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(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] int splverifierCounter ; [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L836] int tmp___2 ; [L839] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L841] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L843] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L849] tmp = __VERIFIER_nondet_int() [L851] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L853] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L202] COND TRUE waterLevel < 2 [L203] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L853] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L859] tmp___0 = __VERIFIER_nondet_int() [L861] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L869] tmp___2 = __VERIFIER_nondet_int() [L871] COND FALSE !(\read(tmp___2)) [L877] tmp___1 = __VERIFIER_nondet_int() [L879] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L886] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L660] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L689] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L692] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L707] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L675] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L899] int tmp ; [L900] int tmp___0 ; [L901] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L223] int retValue_acc ; [L226] retValue_acc = methaneLevelCritical [L227] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L905] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L905] tmp = isMethaneLevelCritical() [L907] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L911] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L255] int retValue_acc ; [L258] retValue_acc = waterLevel [L259] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L911] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L911] tmp___0 = getWaterLevel() [L913] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L915] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L759] int retValue_acc ; [L762] retValue_acc = pumpRunning [L763] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L915] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L915] tmp___1 = isPumpRunning() [L917] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L921] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L643] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 11.4s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 460 SDtfs, 744 SDslu, 251 SDs, 0 SdLazy, 1382 SolverSat, 489 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 141 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 83938 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...