/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:10:40,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:10:40,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:10:40,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:10:40,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:10:40,798 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:10:40,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:10:40,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:10:40,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:10:40,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:10:40,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:10:40,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:10:40,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:10:40,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:10:40,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:10:40,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:10:40,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:10:40,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:10:40,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:10:40,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:10:40,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:10:40,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:10:40,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:10:40,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:10:40,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:10:40,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:10:40,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:10:40,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:10:40,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:10:40,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:10:40,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:10:40,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:10:40,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:10:40,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:10:40,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:10:40,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:10:40,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:10:40,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:10:40,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:10:40,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:10:40,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:10:40,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 22:10:40,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:10:40,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:10:40,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:10:40,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:10:40,950 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:10:40,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:10:40,950 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:10:40,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:10:40,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:10:40,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:10:40,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:10:40,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:10:40,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:10:40,953 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:10:40,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:10:40,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:10:40,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:10:40,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:10:40,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:10:40,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:10:40,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:10:40,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:10:40,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:10:40,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:10:40,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:10:40,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:10:40,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:10:40,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:10:40,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:10:40,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:10:41,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:10:41,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:10:41,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:10:41,432 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:10:41,432 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:10:41,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product17.cil.c [2020-10-27 22:10:41,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e3b8e8e5/e4ad800e3f0341cd9e463b1f56081d38/FLAG3966a1f9d [2020-10-27 22:10:42,200 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:10:42,201 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product17.cil.c [2020-10-27 22:10:42,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e3b8e8e5/e4ad800e3f0341cd9e463b1f56081d38/FLAG3966a1f9d [2020-10-27 22:10:42,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3e3b8e8e5/e4ad800e3f0341cd9e463b1f56081d38 [2020-10-27 22:10:42,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:10:42,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:10:42,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:10:42,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:10:42,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:10:42,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:10:42" (1/1) ... [2020-10-27 22:10:42,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a2a0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:42, skipping insertion in model container [2020-10-27 22:10:42,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:10:42" (1/1) ... [2020-10-27 22:10:42,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:10:42,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:10:42,954 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:10:42,966 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:10:43,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:10:43,141 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:10:43,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43 WrapperNode [2020-10-27 22:10:43,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:10:43,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:10:43,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:10:43,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:10:43,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43" (1/1) ... [2020-10-27 22:10:43,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43" (1/1) ... [2020-10-27 22:10:43,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43" (1/1) ... [2020-10-27 22:10:43,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43" (1/1) ... [2020-10-27 22:10:43,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43" (1/1) ... [2020-10-27 22:10:43,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43" (1/1) ... [2020-10-27 22:10:43,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43" (1/1) ... [2020-10-27 22:10:43,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:10:43,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:10:43,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:10:43,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:10:43,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 22:10:43,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:10:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:10:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:10:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:10:43,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:10:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:10:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:10:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:10:43,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:10:43,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:10:43,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:10:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:10:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:10:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:10:43,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:10:43,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:10:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-27 22:10:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:10:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:10:43,342 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:10:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:10:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:10:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:10:43,343 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:10:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:10:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:10:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:10:43,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-27 22:10:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:10:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:10:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:10:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:10:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:10:43,349 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:10:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:10:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:10:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:10:43,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:10:43,350 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:10:43,351 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:10:43,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:10:43,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:10:43,354 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:10:43,355 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-27 22:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:10:43,356 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:10:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:10:43,357 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:10:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:10:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:10:43,359 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:10:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:10:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:10:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-27 22:10:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:10:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:10:43,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:10:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:10:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:10:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:10:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:10:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:10:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:10:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:10:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:10:43,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:10:44,657 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:10:44,658 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:10:44,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:10:44 BoogieIcfgContainer [2020-10-27 22:10:44,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:10:44,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:10:44,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:10:44,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:10:44,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:10:42" (1/3) ... [2020-10-27 22:10:44,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b87a39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:10:44, skipping insertion in model container [2020-10-27 22:10:44,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:43" (2/3) ... [2020-10-27 22:10:44,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b87a39d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:10:44, skipping insertion in model container [2020-10-27 22:10:44,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:10:44" (3/3) ... [2020-10-27 22:10:44,694 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product17.cil.c [2020-10-27 22:10:44,706 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:10:44,711 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:10:44,725 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:10:44,753 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:10:44,753 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:10:44,753 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:10:44,753 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:10:44,753 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:10:44,753 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:10:44,754 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:10:44,754 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:10:44,776 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-10-27 22:10:44,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 22:10:44,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:44,786 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] [2020-10-27 22:10:44,787 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:10:44,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:44,793 INFO L82 PathProgramCache]: Analyzing trace with hash -323341837, now seen corresponding path program 1 times [2020-10-27 22:10:44,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:44,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372313778] [2020-10-27 22:10:44,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:45,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:48,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:48,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 22:10:48,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:10:48,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3128 [2020-10-27 22:10:48,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:10:48,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:48,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:10:48,722 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:10:48,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:10:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:48,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:48,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:48,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:48,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:48,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-27 22:10:48,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:48,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:48,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:48,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:10:48,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:10:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:48,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:48,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:48,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:48,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:48,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:10:48,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:48,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:48,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:48,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:10:48,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:10:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:48,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:48,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:48,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:48,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:48,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:10:48,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:48,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:48,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:10:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:48,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:48,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:48,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:48,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:48,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:48,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:48,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:48,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:48,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:48,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:48,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:10:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:48,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:48,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:48,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:48,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:48,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:48,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:48,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:48,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:48,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:48,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:10:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:48,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:48,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:48,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:48,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:48,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:48,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:48,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:48,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:48,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:48,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:48,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:10:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:48,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:48,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:48,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:48,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:48,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:10:48,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:48,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:10:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:48,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:48,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:48,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:48,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:48,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:48,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:48,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:48,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:48,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:10:48,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1372313778] [2020-10-27 22:10:48,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:10:48,979 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:10:48,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925246426] [2020-10-27 22:10:48,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:10:48,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:10:49,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:10:49,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:10:49,004 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-10-27 22:10:50,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:10:50,246 INFO L93 Difference]: Finished difference Result 264 states and 347 transitions. [2020-10-27 22:10:50,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:10:50,248 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-27 22:10:50,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:10:50,261 INFO L225 Difference]: With dead ends: 264 [2020-10-27 22:10:50,261 INFO L226 Difference]: Without dead ends: 141 [2020-10-27 22:10:50,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:10:50,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-27 22:10:50,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 111. [2020-10-27 22:10:50,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-27 22:10:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 129 transitions. [2020-10-27 22:10:50,354 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 129 transitions. Word has length 53 [2020-10-27 22:10:50,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:10:50,355 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 129 transitions. [2020-10-27 22:10:50,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:10:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 129 transitions. [2020-10-27 22:10:50,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 22:10:50,358 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:50,359 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] [2020-10-27 22:10:50,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:10:50,359 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:10:50,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:50,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1423534263, now seen corresponding path program 1 times [2020-10-27 22:10:50,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:50,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456338378] [2020-10-27 22:10:50,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:50,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:50,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:50,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:10:53,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:10:53,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2702 [2020-10-27 22:10:53,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:10:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:10:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,491 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:10:53,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:10:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 22:10:53,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:10:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:53,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:53,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:10:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:53,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:10:53,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:10:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:53,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:10:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:53,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:10:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:53,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:53,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:10:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:10:53,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:10:53,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:53,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:53,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:53,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:10:53,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456338378] [2020-10-27 22:10:53,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:10:53,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:10:53,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856269081] [2020-10-27 22:10:53,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:10:53,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:10:53,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:10:53,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:10:53,622 INFO L87 Difference]: Start difference. First operand 111 states and 129 transitions. Second operand 4 states. [2020-10-27 22:10:54,274 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:10:55,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:10:55,112 INFO L93 Difference]: Finished difference Result 194 states and 234 transitions. [2020-10-27 22:10:55,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:10:55,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-27 22:10:55,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:10:55,115 INFO L225 Difference]: With dead ends: 194 [2020-10-27 22:10:55,116 INFO L226 Difference]: Without dead ends: 125 [2020-10-27 22:10:55,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:10:55,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-27 22:10:55,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2020-10-27 22:10:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-10-27 22:10:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 117 transitions. [2020-10-27 22:10:55,163 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 117 transitions. Word has length 54 [2020-10-27 22:10:55,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:10:55,163 INFO L481 AbstractCegarLoop]: Abstraction has 102 states and 117 transitions. [2020-10-27 22:10:55,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:10:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 117 transitions. [2020-10-27 22:10:55,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 22:10:55,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:55,166 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] [2020-10-27 22:10:55,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:10:55,166 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:10:55,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:55,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1383869907, now seen corresponding path program 1 times [2020-10-27 22:10:55,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:55,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148059046] [2020-10-27 22:10:55,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:55,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:55,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:56,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:56,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 22:10:56,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:10:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1246 [2020-10-27 22:10:56,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:56,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:10:56,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:56,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 22:10:56,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:56,876 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:10:56,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:10:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:56,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:56,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:56,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:56,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:56,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-27 22:10:56,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:56,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:56,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:10:56,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:56,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:10:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:56,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:56,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:56,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:56,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:56,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:56,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:56,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:56,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:56,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:10:56,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:56,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:10:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:56,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:57,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:57,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:57,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:57,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:57,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:57,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:10:57,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:57,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:10:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:57,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:57,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:57,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:57,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:57,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:57,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:57,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:10:57,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:57,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:10:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:57,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:57,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:57,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:57,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:57,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:57,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:57,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:57,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:10:57,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:57,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:10:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:57,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:57,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:57,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:57,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:57,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:57,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:57,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:57,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:57,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:10:57,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:57,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 22:10:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:57,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:57,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:57,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:57,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:57,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:10:57,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:57,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:10:57,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:57,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:10:57,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:57,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 22:10:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:57,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:57,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:57,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:57,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:57,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:57,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:57,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:57,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:57,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:10:57,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148059046] [2020-10-27 22:10:57,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:10:57,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:10:57,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525761120] [2020-10-27 22:10:57,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:10:57,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:10:57,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:10:57,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:10:57,060 INFO L87 Difference]: Start difference. First operand 102 states and 117 transitions. Second operand 7 states. [2020-10-27 22:10:57,596 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:10:58,734 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:10:59,303 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:10:59,740 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:11:00,193 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:00,716 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:11:01,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:01,178 INFO L93 Difference]: Finished difference Result 276 states and 347 transitions. [2020-10-27 22:11:01,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:11:01,184 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-27 22:11:01,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:01,188 INFO L225 Difference]: With dead ends: 276 [2020-10-27 22:11:01,188 INFO L226 Difference]: Without dead ends: 198 [2020-10-27 22:11:01,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:11:01,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-27 22:11:01,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 177. [2020-10-27 22:11:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-27 22:11:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 211 transitions. [2020-10-27 22:11:01,290 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 211 transitions. Word has length 58 [2020-10-27 22:11:01,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:01,290 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 211 transitions. [2020-10-27 22:11:01,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:11:01,291 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 211 transitions. [2020-10-27 22:11:01,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 22:11:01,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:01,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:11:01,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:11:01,301 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:11:01,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:01,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1885469965, now seen corresponding path program 1 times [2020-10-27 22:11:01,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:01,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [952468594] [2020-10-27 22:11:01,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:11:01,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-27 22:11:01,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 22:11:01,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:01,877 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:01,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:01,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 22:11:01,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:01,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:11:01,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:02,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:02,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:02,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:02,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:02,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:02,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:02,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:02,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:02,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:02,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:11:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:02,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:02,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:02,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:02,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 22:11:02,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:02,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:02,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 22:11:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:02,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 22:11:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:02,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:02,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:02,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:02,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:02,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:02,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:02,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [952468594] [2020-10-27 22:11:02,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:02,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:11:02,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763113081] [2020-10-27 22:11:02,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:11:02,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:02,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:11:02,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:11:02,098 INFO L87 Difference]: Start difference. First operand 177 states and 211 transitions. Second operand 6 states. [2020-10-27 22:11:02,556 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:03,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:03,483 INFO L93 Difference]: Finished difference Result 350 states and 435 transitions. [2020-10-27 22:11:03,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:11:03,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-10-27 22:11:03,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:03,488 INFO L225 Difference]: With dead ends: 350 [2020-10-27 22:11:03,488 INFO L226 Difference]: Without dead ends: 197 [2020-10-27 22:11:03,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:11:03,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-27 22:11:03,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 175. [2020-10-27 22:11:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-27 22:11:03,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 205 transitions. [2020-10-27 22:11:03,579 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 205 transitions. Word has length 62 [2020-10-27 22:11:03,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:03,580 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 205 transitions. [2020-10-27 22:11:03,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:11:03,580 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 205 transitions. [2020-10-27 22:11:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:11:03,583 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:03,584 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] [2020-10-27 22:11:03,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:11:03,584 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:11:03,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:03,585 INFO L82 PathProgramCache]: Analyzing trace with hash 280212124, now seen corresponding path program 1 times [2020-10-27 22:11:03,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:03,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353906966] [2020-10-27 22:11:03,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:11:03,640 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:11:03,640 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:11:03,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:11:03,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:11:03 BoogieIcfgContainer [2020-10-27 22:11:03,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:11:03,681 INFO L168 Benchmark]: Toolchain (without parser) took 21162.93 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 126.0 MB in the beginning and 139.5 MB in the end (delta: -13.6 MB). Peak memory consumption was 213.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:03,682 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:11:03,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.01 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 104.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:03,686 INFO L168 Benchmark]: Boogie Preprocessor took 85.86 ms. Allocated memory is still 151.0 MB. Free memory was 104.9 MB in the beginning and 101.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:03,692 INFO L168 Benchmark]: RCFGBuilder took 1433.22 ms. Allocated memory is still 151.0 MB. Free memory was 101.1 MB in the beginning and 49.4 MB in the end (delta: 51.7 MB). Peak memory consumption was 51.3 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:03,693 INFO L168 Benchmark]: TraceAbstraction took 19013.34 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 48.9 MB in the beginning and 139.5 MB in the end (delta: -90.6 MB). Peak memory consumption was 137.4 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:03,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 614.01 ms. Allocated memory is still 151.0 MB. Free memory was 125.3 MB in the beginning and 104.9 MB in the end (delta: 20.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 85.86 ms. Allocated memory is still 151.0 MB. Free memory was 104.9 MB in the beginning and 101.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1433.22 ms. Allocated memory is still 151.0 MB. Free memory was 101.1 MB in the beginning and 49.4 MB in the end (delta: 51.7 MB). Peak memory consumption was 51.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 19013.34 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 48.9 MB in the beginning and 139.5 MB in the end (delta: -90.6 MB). Peak memory consumption was 137.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L584] int pumpRunning = 0; [L585] int systemActive = 1; [L737] int cleanupTimeShifts = 4; [L813] int retValue_acc ; [L814] int tmp ; [L818] FCALL select_helpers() [L819] FCALL select_features() [L820] CALL, EXPR valid_product() [L862] int retValue_acc ; [L865] retValue_acc = 1 [L866] return (retValue_acc); [L820] RET, EXPR valid_product() [L820] tmp = valid_product() [L822] COND TRUE \read(tmp) [L824] FCALL setup() [L825] CALL runTest() [L804] CALL test() [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 [L525] COND TRUE 1 [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND TRUE \read(tmp) [L537] CALL waterRise() [L433] COND TRUE waterLevel < 2 [L434] waterLevel = waterLevel + 1 [L537] RET waterRise() [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L568] CALL timeShift() [L592] COND FALSE !(\read(pumpRunning)) [L599] COND TRUE \read(systemActive) [L601] CALL processEnvironment() [L621] int tmp ; [L624] COND FALSE !(\read(pumpRunning)) [L639] FCALL processEnvironment__wrappee__base() [L601] RET processEnvironment() [L607] CALL __utac_acc__Specification3_spec__1() [L872] int tmp ; [L873] int tmp___0 ; [L874] int tmp___1 ; [L878] CALL, EXPR isMethaneLevelCritical() [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L878] RET, EXPR isMethaneLevelCritical() [L878] tmp = isMethaneLevelCritical() [L880] COND FALSE !(\read(tmp)) [L884] CALL, EXPR getWaterLevel() [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); [L884] RET, EXPR getWaterLevel() [L884] tmp___0 = getWaterLevel() [L886] COND TRUE tmp___0 == 2 [L888] CALL, EXPR isPumpRunning() [L673] int retValue_acc ; [L676] retValue_acc = pumpRunning [L677] return (retValue_acc); [L888] RET, EXPR isPumpRunning() [L888] tmp___1 = isPumpRunning() [L890] COND FALSE !(\read(tmp___1)) [L894] CALL __automaton_fail() [L508] CALL reach_error() [L3] __assert_fail("0", "minepump_spec3_product17.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 229 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 387 SDtfs, 571 SDslu, 190 SDs, 0 SdLazy, 863 SolverSat, 319 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=177occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 96 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 297 NumberOfCodeBlocks, 297 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 64680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...