/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_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:10:26,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:10:26,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:10:26,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:10:26,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:10:26,189 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:10:26,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:10:26,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:10:26,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:10:26,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:10:26,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:10:26,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:10:26,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:10:26,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:10:26,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:10:26,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:10:26,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:10:26,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:10:26,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:10:26,252 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:10:26,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:10:26,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:10:26,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:10:26,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:10:26,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:10:26,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:10:26,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:10:26,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:10:26,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:10:26,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:10:26,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:10:26,274 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:10:26,276 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:10:26,277 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:10:26,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:10:26,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:10:26,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:10:26,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:10:26,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:10:26,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:10:26,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:10:26,289 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 22:10:26,340 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:10:26,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:10:26,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:10:26,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:10:26,346 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:10:26,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:10:26,347 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:10:26,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:10:26,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:10:26,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:10:26,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:10:26,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:10:26,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:10:26,349 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:10:26,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:10:26,350 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:10:26,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:10:26,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:10:26,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:10:26,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:10:26,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:10:26,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:10:26,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:10:26,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:10:26,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:10:26,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:10:26,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:10:26,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:10:26,353 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:10:26,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:10:26,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:10:26,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:10:26,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:10:26,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:10:26,817 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:10:26,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c [2020-10-27 22:10:26,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7b66af38/7c86f66cda4541578fdba8a593fbb1e1/FLAGe693e3f70 [2020-10-27 22:10:27,626 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:10:27,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product13.cil.c [2020-10-27 22:10:27,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7b66af38/7c86f66cda4541578fdba8a593fbb1e1/FLAGe693e3f70 [2020-10-27 22:10:27,936 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a7b66af38/7c86f66cda4541578fdba8a593fbb1e1 [2020-10-27 22:10:27,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:10:27,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:10:27,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:10:27,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:10:27,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:10:27,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:10:27" (1/1) ... [2020-10-27 22:10:27,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678d38f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:27, skipping insertion in model container [2020-10-27 22:10:27,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:10:27" (1/1) ... [2020-10-27 22:10:27,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:10:28,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:10:28,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:10:28,328 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:10:28,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:10:28,557 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:10:28,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28 WrapperNode [2020-10-27 22:10:28,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:10:28,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:10:28,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:10:28,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:10:28,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28" (1/1) ... [2020-10-27 22:10:28,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28" (1/1) ... [2020-10-27 22:10:28,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28" (1/1) ... [2020-10-27 22:10:28,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28" (1/1) ... [2020-10-27 22:10:28,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28" (1/1) ... [2020-10-27 22:10:28,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28" (1/1) ... [2020-10-27 22:10:28,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28" (1/1) ... [2020-10-27 22:10:28,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:10:28,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:10:28,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:10:28,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:10:28,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28" (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 22:10:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:10:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:10:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:10:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:10:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:10:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:10:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:10:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:10:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:10:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:10:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:10:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:10:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:10:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:10:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:10:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:10:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:10:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:10:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:10:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:10:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:10:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 22:10:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:10:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-27 22:10:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:10:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:10:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:10:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:10:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:10:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:10:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:10:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:10:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:10:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:10:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:10:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:10:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:10:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:10:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:10:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:10:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:10:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:10:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:10:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:10:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:10:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:10:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:10:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:10:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:10:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:10:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:10:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:10:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:10:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:10:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:10:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:10:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:10:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:10:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:10:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:10:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:10:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:10:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:10:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:10:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:10:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:10:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:10:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-27 22:10:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:10:28,802 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-27 22:10:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:10:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:10:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:10:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:10:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:10:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:10:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:10:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:10:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:10:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:10:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:10:28,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:10:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:10:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:10:28,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:10:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:10:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:10:28,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:10:30,273 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:10:30,273 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:10:30,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:10:30 BoogieIcfgContainer [2020-10-27 22:10:30,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:10:30,299 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:10:30,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:10:30,303 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:10:30,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:10:27" (1/3) ... [2020-10-27 22:10:30,304 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73edf176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:10:30, skipping insertion in model container [2020-10-27 22:10:30,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:28" (2/3) ... [2020-10-27 22:10:30,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73edf176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:10:30, skipping insertion in model container [2020-10-27 22:10:30,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:10:30" (3/3) ... [2020-10-27 22:10:30,307 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product13.cil.c [2020-10-27 22:10:30,319 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:10:30,325 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:10:30,340 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:10:30,368 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:10:30,368 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:10:30,368 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:10:30,368 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:10:30,368 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:10:30,369 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:10:30,369 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:10:30,369 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:10:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-10-27 22:10:30,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 22:10:30,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:30,405 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 22:10:30,406 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 22:10:30,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:30,413 INFO L82 PathProgramCache]: Analyzing trace with hash -143140370, now seen corresponding path program 1 times [2020-10-27 22:10:30,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:30,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715946514] [2020-10-27 22:10:30,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:30,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:31,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:31,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:34,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:34,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 22:10:34,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:10:34,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3328 [2020-10-27 22:10:34,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:34,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:34,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:10:34,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:34,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-27 22:10:34,921 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:10:34,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:10:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:34,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:34,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:34,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:34,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:34,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 22:10:35,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:35,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:35,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:35,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:35,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:10:35,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:10:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:35,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:35,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:35,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:35,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:35,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:35,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:35,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:35,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:35,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:35,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:35,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:10:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:35,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:35,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:35,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:35,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:35,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:35,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:35,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:10:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:35,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:35,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:35,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:35,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:35,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:35,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:35,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:35,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:10:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:35,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:35,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:35,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:35,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:35,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:35,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:35,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:35,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:10:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:35,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:35,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:35,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:35,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:35,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:35,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:35,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:35,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:35,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:35,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:35,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:10:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:35,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:35,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:35,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:35,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:35,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:10:35,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:35,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:35,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:10:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:35,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:35,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:35,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:35,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:35,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:35,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:35,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:35,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:35,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:35,117 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 22:10:35,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715946514] [2020-10-27 22:10:35,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:10:35,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:10:35,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854799134] [2020-10-27 22:10:35,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:10:35,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:10:35,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:10:35,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:10:35,147 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-10-27 22:10:37,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:10:37,187 INFO L93 Difference]: Finished difference Result 254 states and 337 transitions. [2020-10-27 22:10:37,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:10:37,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-27 22:10:37,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:10:37,203 INFO L225 Difference]: With dead ends: 254 [2020-10-27 22:10:37,203 INFO L226 Difference]: Without dead ends: 136 [2020-10-27 22:10:37,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:10:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-27 22:10:37,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 106. [2020-10-27 22:10:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-27 22:10:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 124 transitions. [2020-10-27 22:10:37,303 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 124 transitions. Word has length 53 [2020-10-27 22:10:37,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:10:37,303 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 124 transitions. [2020-10-27 22:10:37,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:10:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2020-10-27 22:10:37,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 22:10:37,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:37,307 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 22:10:37,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:10:37,308 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 22:10:37,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:37,309 INFO L82 PathProgramCache]: Analyzing trace with hash 650217284, now seen corresponding path program 1 times [2020-10-27 22:10:37,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:37,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927424102] [2020-10-27 22:10:37,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:37,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:37,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:37,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:39,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:39,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:10:39,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:10:39,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2493 [2020-10-27 22:10:39,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:10:39,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:10:39,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:40,530 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:10:40,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:10:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:40,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:40,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:40,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:40,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:40,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 22:10:40,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:40,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:40,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:40,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:10:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:40,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:40,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:40,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:40,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:40,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:40,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:40,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:40,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:10:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:40,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:40,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:40,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:40,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:40,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:10:40,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:40,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:40,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:40,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:10:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:40,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:40,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:40,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:40,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:40,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:40,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:40,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:40,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:40,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:40,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:40,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:10:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:40,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:40,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:40,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:40,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:40,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:40,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:40,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:40,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:10:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:40,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:40,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:40,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:40,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:40,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:40,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:40,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:40,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:40,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:10:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:40,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:40,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:40,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:40,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:40,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:10:40,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:40,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:40,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:10:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:40,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:40,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:40,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:40,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:40,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:40,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:40,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:40,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:40,665 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 22:10:40,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927424102] [2020-10-27 22:10:40,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:10:40,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:10:40,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677857621] [2020-10-27 22:10:40,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:10:40,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:10:40,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:10:40,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:10:40,671 INFO L87 Difference]: Start difference. First operand 106 states and 124 transitions. Second operand 4 states. [2020-10-27 22:10:41,821 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:10:43,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:10:43,166 INFO L93 Difference]: Finished difference Result 184 states and 224 transitions. [2020-10-27 22:10:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:10:43,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-27 22:10:43,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:10:43,170 INFO L225 Difference]: With dead ends: 184 [2020-10-27 22:10:43,171 INFO L226 Difference]: Without dead ends: 120 [2020-10-27 22:10:43,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:10:43,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-27 22:10:43,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 97. [2020-10-27 22:10:43,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-27 22:10:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2020-10-27 22:10:43,221 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 54 [2020-10-27 22:10:43,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:10:43,221 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2020-10-27 22:10:43,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:10:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2020-10-27 22:10:43,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-27 22:10:43,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:43,224 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 22:10:43,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:10:43,225 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 22:10:43,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:43,226 INFO L82 PathProgramCache]: Analyzing trace with hash -534765293, now seen corresponding path program 1 times [2020-10-27 22:10:43,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:43,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91960611] [2020-10-27 22:10:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:43,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:43,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:44,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:44,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 22:10:44,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:10:44,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1120 [2020-10-27 22:10:44,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:44,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:10:44,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:44,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-27 22:10:44,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:45,166 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:10:45,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:10:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:45,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:45,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:45,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:45,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 22:10:45,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:45,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:10:45,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:45,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:10:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:45,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:45,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:45,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:45,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:45,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:45,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:10:45,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:45,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:10:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:45,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:45,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:45,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:45,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:45,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:45,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:45,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:10:45,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:45,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:10:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:45,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:45,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:45,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:45,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:45,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:45,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:45,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:10:45,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:45,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:10:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:45,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:45,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:45,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:45,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:45,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:10:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:45,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:10:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:45,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:45,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:45,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:45,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:45,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:10:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:45,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 22:10:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:45,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:45,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:45,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:10:45,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:10:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:10:45,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:45,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 22:10:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:45,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:45,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:45,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:45,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:45,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:45,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:45,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:45,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:45,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:45,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 30 [2020-10-27 22:10:45,399 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 22:10:45,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91960611] [2020-10-27 22:10:45,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:10:45,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 22:10:45,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810221908] [2020-10-27 22:10:45,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 22:10:45,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:10:45,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 22:10:45,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 22:10:45,402 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand 7 states. [2020-10-27 22:10:46,434 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:10:48,498 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:10:49,452 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:10:50,232 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:10:51,022 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:10:51,941 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:10:52,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:10:52,941 INFO L93 Difference]: Finished difference Result 261 states and 332 transitions. [2020-10-27 22:10:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:10:52,942 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-27 22:10:52,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:10:52,945 INFO L225 Difference]: With dead ends: 261 [2020-10-27 22:10:52,946 INFO L226 Difference]: Without dead ends: 188 [2020-10-27 22:10:52,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:10:52,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-27 22:10:53,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 167. [2020-10-27 22:10:53,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-27 22:10:53,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 201 transitions. [2020-10-27 22:10:53,022 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 201 transitions. Word has length 58 [2020-10-27 22:10:53,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:10:53,023 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 201 transitions. [2020-10-27 22:10:53,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 22:10:53,023 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 201 transitions. [2020-10-27 22:10:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 22:10:53,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:53,026 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 22:10:53,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:10:53,027 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 22:10:53,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:53,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1565510035, now seen corresponding path program 1 times [2020-10-27 22:10:53,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:53,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058404684] [2020-10-27 22:10:53,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:10:53,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-27 22:10:53,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:53,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:53,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 22:10:53,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,859 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:10:53,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:10:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 22:10:53,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:10:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:10:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:53,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:53,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:10:53,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:10:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:53,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:53,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:53,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:10:53,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:53,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:10:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:53,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:53,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:53,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:53,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:53,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:54,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:54,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:10:54,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:54,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:10:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:54,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:54,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:54,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:10:54,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:54,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:54,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:10:54,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:54,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 22:10:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:54,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:54,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:54,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:54,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:54,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:10:54,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:54,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:10:54,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:10:54,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:10:54,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:54,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 22:10:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:54,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:54,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:54,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:54,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:54,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:54,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:54,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:54,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 22:10:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:54,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:54,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:54,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:54,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:54,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:54,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:54,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:54,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:54,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 22:10:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:54,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:54,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:10:54,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:10:54,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:10:54,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:10:54,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:10:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:10:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:10:54,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:10:54,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:10:54,053 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 22:10:54,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058404684] [2020-10-27 22:10:54,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:10:54,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:10:54,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027813003] [2020-10-27 22:10:54,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:10:54,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:10:54,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:10:54,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:10:54,056 INFO L87 Difference]: Start difference. First operand 167 states and 201 transitions. Second operand 6 states. [2020-10-27 22:10:54,947 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:10:56,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:10:56,575 INFO L93 Difference]: Finished difference Result 330 states and 415 transitions. [2020-10-27 22:10:56,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:10:56,576 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-10-27 22:10:56,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:10:56,579 INFO L225 Difference]: With dead ends: 330 [2020-10-27 22:10:56,579 INFO L226 Difference]: Without dead ends: 187 [2020-10-27 22:10:56,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 22:10:56,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-27 22:10:56,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 165. [2020-10-27 22:10:56,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-10-27 22:10:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 195 transitions. [2020-10-27 22:10:56,637 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 195 transitions. Word has length 62 [2020-10-27 22:10:56,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:10:56,637 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 195 transitions. [2020-10-27 22:10:56,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:10:56,637 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 195 transitions. [2020-10-27 22:10:56,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:10:56,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:56,640 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 22:10:56,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:10:56,641 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 22:10:56,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:56,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1239474453, now seen corresponding path program 1 times [2020-10-27 22:10:56,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:56,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220179633] [2020-10-27 22:10:56,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:10:56,705 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:10:56,705 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:10:56,710 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:10:56,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:10:56 BoogieIcfgContainer [2020-10-27 22:10:56,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:10:56,736 INFO L168 Benchmark]: Toolchain (without parser) took 28792.65 ms. Allocated memory was 151.0 MB in the beginning and 329.3 MB in the end (delta: 178.3 MB). Free memory was 126.3 MB in the beginning and 299.3 MB in the end (delta: -173.0 MB). Peak memory consumption was 195.7 MB. Max. memory is 8.0 GB. [2020-10-27 22:10:56,737 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 122.2 MB in the end (delta: 436.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:10:56,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.78 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 105.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-27 22:10:56,741 INFO L168 Benchmark]: Boogie Preprocessor took 103.87 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 101.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:10:56,742 INFO L168 Benchmark]: RCFGBuilder took 1609.83 ms. Allocated memory is still 151.0 MB. Free memory was 101.3 MB in the beginning and 49.7 MB in the end (delta: 51.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:10:56,746 INFO L168 Benchmark]: TraceAbstraction took 26435.59 ms. Allocated memory was 151.0 MB in the beginning and 329.3 MB in the end (delta: 178.3 MB). Free memory was 131.6 MB in the beginning and 299.3 MB in the end (delta: -167.7 MB). Peak memory consumption was 199.8 MB. Max. memory is 8.0 GB. [2020-10-27 22:10:56,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 151.0 MB. Free memory was 122.7 MB in the beginning and 122.2 MB in the end (delta: 436.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 607.78 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 105.3 MB in the end (delta: 20.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 103.87 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 101.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1609.83 ms. Allocated memory is still 151.0 MB. Free memory was 101.3 MB in the beginning and 49.7 MB in the end (delta: 51.5 MB). Peak memory consumption was 52.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26435.59 ms. Allocated memory was 151.0 MB in the beginning and 329.3 MB in the end (delta: 178.3 MB). Free memory was 131.6 MB in the beginning and 299.3 MB in the end (delta: -167.7 MB). Peak memory consumption was 199.8 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: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L175] int cleanupTimeShifts = 4; [L277] int pumpRunning = 0; [L278] int systemActive = 1; [L696] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L251] int retValue_acc ; [L252] int tmp ; [L256] FCALL select_helpers() [L257] FCALL select_features() [L258] CALL, EXPR valid_product() [L157] int retValue_acc ; [L160] retValue_acc = 1 [L161] return (retValue_acc); [L258] RET, EXPR valid_product() [L258] tmp = valid_product() [L260] COND TRUE \read(tmp) [L262] FCALL setup() [L263] CALL runTest() [L245] CALL test() [L463] int splverifierCounter ; [L464] int tmp ; [L465] int tmp___0 ; [L466] int tmp___1 ; [L467] int tmp___2 ; [L470] splverifierCounter = 0 [L472] COND TRUE 1 [L474] COND TRUE splverifierCounter < 4 [L480] tmp = __VERIFIER_nondet_int() [L482] COND TRUE \read(tmp) [L484] CALL waterRise() [L66] COND TRUE waterLevel < 2 [L67] waterLevel = waterLevel + 1 [L484] RET waterRise() [L490] tmp___0 = __VERIFIER_nondet_int() [L492] COND FALSE !(\read(tmp___0)) [L500] tmp___2 = __VERIFIER_nondet_int() [L502] COND TRUE \read(tmp___2) [L515] CALL timeShift() [L285] COND FALSE !(\read(pumpRunning)) [L292] COND TRUE \read(systemActive) [L294] CALL processEnvironment() [L314] int tmp ; [L317] COND FALSE !(\read(pumpRunning)) [L332] FCALL processEnvironment__wrappee__methaneQuery() [L294] RET processEnvironment() [L300] CALL __utac_acc__Specification3_spec__1() [L429] int tmp ; [L430] int tmp___0 ; [L431] int tmp___1 ; [L435] CALL, EXPR isMethaneLevelCritical() [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] return (retValue_acc); [L435] RET, EXPR isMethaneLevelCritical() [L435] tmp = isMethaneLevelCritical() [L437] COND FALSE !(\read(tmp)) [L441] CALL, EXPR getWaterLevel() [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] return (retValue_acc); [L441] RET, EXPR getWaterLevel() [L441] tmp___0 = getWaterLevel() [L443] COND TRUE tmp___0 == 2 [L445] CALL, EXPR isPumpRunning() [L383] int retValue_acc ; [L386] retValue_acc = pumpRunning [L387] return (retValue_acc); [L445] RET, EXPR isPumpRunning() [L445] tmp___1 = isPumpRunning() [L447] COND FALSE !(\read(tmp___1)) [L451] CALL __automaton_fail() [L170] CALL reach_error() [L3] __assert_fail("0", "minepump_spec3_product13.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 226 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 26.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 373 SDtfs, 531 SDslu, 190 SDs, 0 SdLazy, 837 SolverSat, 323 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 96 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 297 NumberOfCodeBlocks, 297 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 64623 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...