/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=SHALLOWEST --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_spec1_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:23:48,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:23:48,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:23:48,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:23:48,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:23:48,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:23:48,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:23:48,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:23:48,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:23:48,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:23:48,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:23:48,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:23:48,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:23:48,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:23:48,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:23:48,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:23:48,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:23:48,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:23:48,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:23:48,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:23:48,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:23:48,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:23:48,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:23:48,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:23:48,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:23:48,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:23:48,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:23:48,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:23:48,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:23:48,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:23:48,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:23:48,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:23:48,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:23:48,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:23:48,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:23:48,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:23:48,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:23:48,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:23:48,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:23:48,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:23:48,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:23:48,406 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 03:23:48,453 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:23:48,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:23:48,457 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:23:48,457 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:23:48,458 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:23:48,458 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:23:48,458 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:23:48,458 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:23:48,458 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:23:48,459 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:23:48,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:23:48,460 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:23:48,460 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:23:48,460 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:23:48,460 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:23:48,460 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:23:48,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:23:48,461 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:23:48,461 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:23:48,461 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:23:48,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:23:48,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:23:48,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:23:48,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:23:48,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:23:48,462 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:23:48,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:23:48,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:23:48,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:23:48,463 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:23:48,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:23:48,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:23:48,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:23:48,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:23:48,888 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:23:48,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product55.cil.c [2020-10-27 03:23:48,957 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/202e7abae/5cf4b618e8214ba0919b734d67c8d112/FLAGee7dc2f4c [2020-10-27 03:23:49,595 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:23:49,597 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product55.cil.c [2020-10-27 03:23:49,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/202e7abae/5cf4b618e8214ba0919b734d67c8d112/FLAGee7dc2f4c [2020-10-27 03:23:49,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/202e7abae/5cf4b618e8214ba0919b734d67c8d112 [2020-10-27 03:23:49,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:23:49,923 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:23:49,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:23:49,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:23:49,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:23:49,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:23:49" (1/1) ... [2020-10-27 03:23:49,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e558f41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:49, skipping insertion in model container [2020-10-27 03:23:49,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:23:49" (1/1) ... [2020-10-27 03:23:49,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:23:50,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:23:50,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:23:50,433 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:23:50,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:23:50,561 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:23:50,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50 WrapperNode [2020-10-27 03:23:50,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:23:50,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:23:50,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:23:50,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:23:50,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50" (1/1) ... [2020-10-27 03:23:50,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50" (1/1) ... [2020-10-27 03:23:50,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50" (1/1) ... [2020-10-27 03:23:50,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50" (1/1) ... [2020-10-27 03:23:50,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50" (1/1) ... [2020-10-27 03:23:50,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50" (1/1) ... [2020-10-27 03:23:50,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50" (1/1) ... [2020-10-27 03:23:50,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:23:50,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:23:50,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:23:50,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:23:50,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50" (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 03:23:50,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:23:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:23:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:23:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:23:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:23:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:23:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:23:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:23:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:23:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 03:23:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 03:23:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 03:23:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-27 03:23:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 03:23:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 03:23:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 03:23:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 03:23:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 03:23:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 03:23:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 03:23:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-27 03:23:50,786 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 03:23:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 03:23:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 03:23:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 03:23:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 03:23:50,787 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 03:23:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 03:23:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 03:23:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-27 03:23:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:23:50,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 03:23:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 03:23:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:23:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 03:23:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:23:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 03:23:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:23:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:23:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:23:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:23:50,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:23:50,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:23:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:23:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:23:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:23:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:23:50,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:23:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:23:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:23:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:23:50,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:23:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:23:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 03:23:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 03:23:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 03:23:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 03:23:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 03:23:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:23:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 03:23:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 03:23:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 03:23:50,794 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 03:23:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-27 03:23:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 03:23:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 03:23:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 03:23:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 03:23:50,795 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 03:23:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 03:23:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 03:23:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 03:23:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-27 03:23:50,796 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-27 03:23:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-27 03:23:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 03:23:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 03:23:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:23:50,797 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 03:23:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:23:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 03:23:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:23:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:23:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:23:50,798 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:23:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:23:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:23:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:23:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:23:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:23:50,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:23:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:23:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:23:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:23:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:23:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:23:50,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:23:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:23:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:23:50,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:23:52,002 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:23:52,002 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 03:23:52,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:23:52 BoogieIcfgContainer [2020-10-27 03:23:52,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:23:52,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:23:52,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:23:52,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:23:52,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:23:49" (1/3) ... [2020-10-27 03:23:52,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785f8332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:23:52, skipping insertion in model container [2020-10-27 03:23:52,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:23:50" (2/3) ... [2020-10-27 03:23:52,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785f8332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:23:52, skipping insertion in model container [2020-10-27 03:23:52,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:23:52" (3/3) ... [2020-10-27 03:23:52,016 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product55.cil.c [2020-10-27 03:23:52,029 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:23:52,036 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:23:52,050 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:23:52,081 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:23:52,081 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:23:52,081 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:23:52,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:23:52,082 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:23:52,082 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:23:52,082 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:23:52,082 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:23:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-10-27 03:23:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 03:23:52,118 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:23:52,119 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] [2020-10-27 03:23:52,120 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 03:23:52,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:23:52,127 INFO L82 PathProgramCache]: Analyzing trace with hash -774975722, now seen corresponding path program 1 times [2020-10-27 03:23:52,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:23:52,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [838995443] [2020-10-27 03:23:52,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:23:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:52,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:52,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:53,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:54,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:55,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:57,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:57,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 03:23:57,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:23:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-27 03:23:57,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 03:23:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 03:23:57,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:23:57,904 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:23:57,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:23:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:57,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:58,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:58,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:58,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 03:23:58,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:58,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:23:58,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:58,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:23:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:58,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:58,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:58,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:58,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:58,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:58,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:58,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:58,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:58,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:58,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:58,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:23:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:58,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:58,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:58,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:58,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:58,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:58,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:58,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:58,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:23:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:58,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:58,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:58,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:58,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:58,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:23:58,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:58,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:58,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:58,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:23:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:58,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:58,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:58,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:23:58,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:58,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:23:58,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:58,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:23:58,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:58,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:23:58,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:58,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 03:23:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:58,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:58,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:58,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:58,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:23:58,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:58,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:23:58,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:23:58,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:23:58,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 03:23:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:23:58,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:23:58,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:23:58,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:23:58,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:23:58,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:23:58,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:23:58,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:23:58,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:23:58,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:23:58,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:23:58,133 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 03:23:58,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [838995443] [2020-10-27 03:23:58,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:23:58,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:23:58,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587239202] [2020-10-27 03:23:58,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:23:58,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:23:58,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:23:58,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:23:58,160 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 7 states. [2020-10-27 03:23:58,709 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:23:59,664 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:24:00,069 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:24:00,470 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:24:01,072 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:24:01,677 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:24:03,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:24:03,641 INFO L93 Difference]: Finished difference Result 501 states and 666 transitions. [2020-10-27 03:24:03,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:24:03,643 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 03:24:03,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:24:03,678 INFO L225 Difference]: With dead ends: 501 [2020-10-27 03:24:03,679 INFO L226 Difference]: Without dead ends: 310 [2020-10-27 03:24:03,691 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 03:24:03,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-10-27 03:24:03,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 257. [2020-10-27 03:24:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-27 03:24:03,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 311 transitions. [2020-10-27 03:24:03,923 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 311 transitions. Word has length 47 [2020-10-27 03:24:03,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:24:03,924 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 311 transitions. [2020-10-27 03:24:03,925 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:24:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 311 transitions. [2020-10-27 03:24:03,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 03:24:03,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:24:03,939 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] [2020-10-27 03:24:03,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:24:03,943 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 03:24:03,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:24:03,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1237639399, now seen corresponding path program 1 times [2020-10-27 03:24:03,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:24:03,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1198058196] [2020-10-27 03:24:03,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:24:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:04,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:04,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:05,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:06,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:06,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 03:24:06,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:24:06,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2059 [2020-10-27 03:24:06,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 03:24:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-27 03:24:06,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:06,381 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:24:06,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:24:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:06,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:06,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:06,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:06,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:06,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-27 03:24:06,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:06,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:24:06,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:06,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:24:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:06,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:06,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:06,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:06,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:06,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:06,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:24:06,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:06,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:24:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:06,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:06,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:06,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:06,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:06,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:06,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:06,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:06,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:24:06,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:06,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:24:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:06,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:06,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:06,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:06,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:06,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:24:06,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:06,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:06,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:06,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:24:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:06,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:06,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:06,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:06,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:06,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:06,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:06,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:24:06,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:06,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:24:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:06,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:06,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:06,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:06,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:06,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:24:06,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:06,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:06,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:06,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 03:24:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:06,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:06,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:06,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:06,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:06,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:24:06,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:06,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:06,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:06,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:06,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:06,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-27 03:24:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:06,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:06,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:06,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:06,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:06,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:24:06,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:06,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:24:06,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:06,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:06,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:06,598 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 03:24:06,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1198058196] [2020-10-27 03:24:06,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:24:06,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 03:24:06,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784511429] [2020-10-27 03:24:06,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 03:24:06,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:24:06,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 03:24:06,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 03:24:06,603 INFO L87 Difference]: Start difference. First operand 257 states and 311 transitions. Second operand 8 states. [2020-10-27 03:24:07,157 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:24:08,447 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-27 03:24:08,805 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:24:09,132 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:24:09,909 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 03:24:10,254 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:24:12,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:24:12,129 INFO L93 Difference]: Finished difference Result 734 states and 997 transitions. [2020-10-27 03:24:12,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 03:24:12,130 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 56 [2020-10-27 03:24:12,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:24:12,137 INFO L225 Difference]: With dead ends: 734 [2020-10-27 03:24:12,137 INFO L226 Difference]: Without dead ends: 501 [2020-10-27 03:24:12,140 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-27 03:24:12,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-10-27 03:24:12,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 402. [2020-10-27 03:24:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-10-27 03:24:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 498 transitions. [2020-10-27 03:24:12,293 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 498 transitions. Word has length 56 [2020-10-27 03:24:12,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:24:12,294 INFO L481 AbstractCegarLoop]: Abstraction has 402 states and 498 transitions. [2020-10-27 03:24:12,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 03:24:12,294 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 498 transitions. [2020-10-27 03:24:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-27 03:24:12,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:24:12,298 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:24:12,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:24:12,299 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 03:24:12,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:24:12,300 INFO L82 PathProgramCache]: Analyzing trace with hash -398094273, now seen corresponding path program 1 times [2020-10-27 03:24:12,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:24:12,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87190274] [2020-10-27 03:24:12,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:24:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:12,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:12,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:12,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:12,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:12,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:12,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-27 03:24:17,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:24:17,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 03:24:17,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:24:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 03:24:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:17,742 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:24:17,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:24:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:17,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:17,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:17,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 03:24:17,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:17,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:17,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:24:17,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:24:17,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:24:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:17,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:17,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:17,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:17,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:17,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:24:17,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:17,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:24:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:17,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:17,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:17,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:17,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:17,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:24:17,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:17,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:24:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:17,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:17,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:17,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:24:17,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:17,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:24:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:17,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:17,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:17,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:17,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:17,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:17,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:24:17,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:17,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:24:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:17,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:17,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:17,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:24:17,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:17,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:17,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:17,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 03:24:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:17,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:24:17,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:17,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:24:17,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:17,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 03:24:17,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 03:24:17,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:17,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:17,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 03:24:17,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:17,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:24:17,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:17,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:24:17,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:17,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:24:17,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:17,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:17,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:17,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:17,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:17,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:24:17,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:17,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:17,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:17,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:17,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-27 03:24:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:18,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:18,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:18,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:18,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:24:18,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:24:18,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 03:24:18,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:24:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:24:18,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:18,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:18,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:18,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:18,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:24:18,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:18,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 03:24:18,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:18,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:24:18,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 03:24:18,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:18,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:18,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:18,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:18,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:18,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:24:18,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 03:24:18,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:24:18,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 03:24:18,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:18,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:18,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:18,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:18,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:18,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:24:18,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:18,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:24:18,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:24:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:24:18,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:18,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:18,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:24:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:18,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:18,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:18,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:24:18,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:18,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:24:18,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:24:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:18,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:18,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:18,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:24:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:18,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:18,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:18,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:18,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:18,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:24:18,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:18,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:18,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:18,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 03:24:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:18,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:18,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:18,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:18,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:18,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:18,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:18,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:18,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:18,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:18,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:18,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 03:24:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:18,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:18,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:18,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:18,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:18,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:18,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:18,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:18,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:18,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:18,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 03:24:18,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87190274] [2020-10-27 03:24:18,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:24:18,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 03:24:18,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657277520] [2020-10-27 03:24:18,226 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 03:24:18,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:24:18,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 03:24:18,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-27 03:24:18,227 INFO L87 Difference]: Start difference. First operand 402 states and 498 transitions. Second operand 11 states. [2020-10-27 03:24:18,773 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:24:19,602 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:24:20,145 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:24:20,507 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:24:20,848 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:24:21,255 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:24:21,696 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:24:22,030 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 03:24:25,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:24:25,586 INFO L93 Difference]: Finished difference Result 1534 states and 2267 transitions. [2020-10-27 03:24:25,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 03:24:25,587 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-10-27 03:24:25,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:24:25,603 INFO L225 Difference]: With dead ends: 1534 [2020-10-27 03:24:25,604 INFO L226 Difference]: Without dead ends: 1156 [2020-10-27 03:24:25,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=179, Invalid=577, Unknown=0, NotChecked=0, Total=756 [2020-10-27 03:24:25,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2020-10-27 03:24:25,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 788. [2020-10-27 03:24:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 788 states. [2020-10-27 03:24:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 979 transitions. [2020-10-27 03:24:25,863 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 979 transitions. Word has length 108 [2020-10-27 03:24:25,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:24:25,865 INFO L481 AbstractCegarLoop]: Abstraction has 788 states and 979 transitions. [2020-10-27 03:24:25,865 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 03:24:25,865 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 979 transitions. [2020-10-27 03:24:25,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 03:24:25,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:24:25,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:24:25,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 03:24:25,871 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 03:24:25,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:24:25,872 INFO L82 PathProgramCache]: Analyzing trace with hash 162588593, now seen corresponding path program 1 times [2020-10-27 03:24:25,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:24:25,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319631492] [2020-10-27 03:24:25,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:24:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:25,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 03:24:26,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-27 03:24:26,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:24:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-27 03:24:26,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:24:26,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,487 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:24:26,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:24:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:26,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:24:26,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:26,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:24:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:26,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:26,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:26,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:24:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:26,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:24:26,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:26,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:24:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:26,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:24:26,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:26,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:24:26,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:26,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:26,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:24:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:26,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:24:26,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:24:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:24:26,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-27 03:24:26,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:24:26,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-27 03:24:26,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:24:26,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:24:26,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:24:26,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:24:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 03:24:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:24:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:24:26,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 03:24:26,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:24:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 03:24:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:24:26,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:24:26,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:24:26,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:24:26,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:26,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:24:26,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:24:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:24:26,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:26,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:26,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:24:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:26,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:26,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:26,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 03:24:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:26,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:24:26,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:26,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 03:24:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:26,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:26,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:26,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:26,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:26,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:26,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:26,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:26,875 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 03:24:26,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319631492] [2020-10-27 03:24:26,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:24:26,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 03:24:26,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996417537] [2020-10-27 03:24:26,878 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 03:24:26,878 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:24:26,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 03:24:26,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 03:24:26,879 INFO L87 Difference]: Start difference. First operand 788 states and 979 transitions. Second operand 9 states. [2020-10-27 03:24:28,097 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 03:24:28,421 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 03:24:28,732 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 03:24:29,089 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 03:24:30,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:24:30,511 INFO L93 Difference]: Finished difference Result 1845 states and 2498 transitions. [2020-10-27 03:24:30,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 03:24:30,512 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-10-27 03:24:30,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:24:30,522 INFO L225 Difference]: With dead ends: 1845 [2020-10-27 03:24:30,522 INFO L226 Difference]: Without dead ends: 1081 [2020-10-27 03:24:30,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-10-27 03:24:30,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2020-10-27 03:24:30,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 808. [2020-10-27 03:24:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2020-10-27 03:24:30,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 999 transitions. [2020-10-27 03:24:30,728 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 999 transitions. Word has length 89 [2020-10-27 03:24:30,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:24:30,728 INFO L481 AbstractCegarLoop]: Abstraction has 808 states and 999 transitions. [2020-10-27 03:24:30,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 03:24:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 999 transitions. [2020-10-27 03:24:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-27 03:24:30,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:24:30,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:24:30,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 03:24:30,732 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 03:24:30,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:24:30,733 INFO L82 PathProgramCache]: Analyzing trace with hash 419967796, now seen corresponding path program 1 times [2020-10-27 03:24:30,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:24:30,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031660571] [2020-10-27 03:24:30,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:24:30,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:30,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 03:24:31,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-27 03:24:31,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 03:24:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:31,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 03:24:31,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,645 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 03:24:31,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:24:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:31,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 03:24:31,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:24:31,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:24:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:31,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:24:31,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:24:31,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:24:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:31,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:31,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:24:31,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:24:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:31,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:24:31,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:31,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:24:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:24:31,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:31,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:24:31,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 03:24:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:31,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:31,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:24:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-27 03:24:31,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:24:31,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 03:24:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:24:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 03:24:31,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:24:31,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 03:24:31,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 03:24:31,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:24:31,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:24:31,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 03:24:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 03:24:31,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:24:31,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:24:31,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:24:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:24:31,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:24:31,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 03:24:31,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 03:24:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:31,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:24:31,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:24:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:24:31,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:24:31,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-27 03:24:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:31,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:31,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:31,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:31,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-27 03:24:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:24:31,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:24:31,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:24:31,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:24:31,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:24:31,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:24:31,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:24:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:24:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:24:31,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:24:31,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:24:31,991 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 03:24:31,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031660571] [2020-10-27 03:24:31,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:24:31,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 03:24:31,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774462795] [2020-10-27 03:24:31,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 03:24:31,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:24:31,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 03:24:31,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 03:24:31,994 INFO L87 Difference]: Start difference. First operand 808 states and 999 transitions. Second operand 7 states. [2020-10-27 03:24:32,481 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:24:33,087 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 03:24:36,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:24:36,908 INFO L93 Difference]: Finished difference Result 2733 states and 3835 transitions. [2020-10-27 03:24:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 03:24:36,909 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2020-10-27 03:24:36,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:24:36,925 INFO L225 Difference]: With dead ends: 2733 [2020-10-27 03:24:36,925 INFO L226 Difference]: Without dead ends: 1931 [2020-10-27 03:24:36,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:24:36,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1931 states. [2020-10-27 03:24:37,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1931 to 1630. [2020-10-27 03:24:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1630 states. [2020-10-27 03:24:37,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 2091 transitions. [2020-10-27 03:24:37,317 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 2091 transitions. Word has length 89 [2020-10-27 03:24:37,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:24:37,319 INFO L481 AbstractCegarLoop]: Abstraction has 1630 states and 2091 transitions. [2020-10-27 03:24:37,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 03:24:37,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2091 transitions. [2020-10-27 03:24:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-27 03:24:37,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:24:37,324 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 03:24:37,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 03:24:37,325 INFO L429 AbstractCegarLoop]: === Iteration 6 === [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 03:24:37,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:24:37,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1891374598, now seen corresponding path program 1 times [2020-10-27 03:24:37,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:24:37,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958787088] [2020-10-27 03:24:37,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:24:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 03:24:37,366 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 03:24:37,366 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 03:24:37,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 03:24:37,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:24:37 BoogieIcfgContainer [2020-10-27 03:24:37,411 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 03:24:37,415 INFO L168 Benchmark]: Toolchain (without parser) took 47495.64 ms. Allocated memory was 158.3 MB in the beginning and 795.9 MB in the end (delta: 637.5 MB). Free memory was 132.3 MB in the beginning and 373.7 MB in the end (delta: -241.4 MB). Peak memory consumption was 397.1 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:37,419 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 158.3 MB. Free memory is still 132.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 03:24:37,421 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.48 ms. Allocated memory is still 158.3 MB. Free memory was 131.7 MB in the beginning and 109.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:37,421 INFO L168 Benchmark]: Boogie Preprocessor took 128.67 ms. Allocated memory is still 158.3 MB. Free memory was 109.7 MB in the beginning and 105.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:37,422 INFO L168 Benchmark]: RCFGBuilder took 1310.87 ms. Allocated memory is still 158.3 MB. Free memory was 105.8 MB in the beginning and 73.1 MB in the end (delta: 32.8 MB). Peak memory consumption was 34.0 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:37,423 INFO L168 Benchmark]: TraceAbstraction took 45403.74 ms. Allocated memory was 158.3 MB in the beginning and 795.9 MB in the end (delta: 637.5 MB). Free memory was 72.5 MB in the beginning and 373.7 MB in the end (delta: -301.2 MB). Peak memory consumption was 336.9 MB. Max. memory is 8.0 GB. [2020-10-27 03:24:37,434 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 158.3 MB. Free memory is still 132.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 635.48 ms. Allocated memory is still 158.3 MB. Free memory was 131.7 MB in the beginning and 109.7 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 128.67 ms. Allocated memory is still 158.3 MB. Free memory was 109.7 MB in the beginning and 105.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1310.87 ms. Allocated memory is still 158.3 MB. Free memory was 105.8 MB in the beginning and 73.1 MB in the end (delta: 32.8 MB). Peak memory consumption was 34.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 45403.74 ms. Allocated memory was 158.3 MB in the beginning and 795.9 MB in the end (delta: 637.5 MB). Free memory was 72.5 MB in the beginning and 373.7 MB in the end (delta: -301.2 MB). Peak memory consumption was 336.9 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: [L161] int pumpRunning = 0; [L162] int systemActive = 1; [L401] int waterLevel = 1; [L402] int methaneLevelCritical = 0; [L513] int cleanupTimeShifts = 4; [L804] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L586] int retValue_acc ; [L587] int tmp ; [L591] FCALL select_helpers() [L592] FCALL select_features() [L593] CALL, EXPR valid_product() [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L593] RET, EXPR valid_product() [L593] tmp = valid_product() [L595] COND TRUE \read(tmp) [L597] FCALL setup() [L598] CALL runTest() [L580] CALL test() [L86] int splverifierCounter ; [L87] int tmp ; [L88] int tmp___0 ; [L89] int tmp___1 ; [L90] int tmp___2 ; [L93] splverifierCounter = 0 [L95] COND TRUE 1 [L97] COND TRUE splverifierCounter < 4 [L103] tmp = __VERIFIER_nondet_int() [L105] COND TRUE \read(tmp) [L107] CALL waterRise() [L419] COND TRUE waterLevel < 2 [L420] waterLevel = waterLevel + 1 [L107] RET waterRise() [L113] tmp___0 = __VERIFIER_nondet_int() [L115] COND TRUE \read(tmp___0) [L117] CALL changeMethaneLevel() [L431] COND FALSE !(\read(methaneLevelCritical)) [L434] methaneLevelCritical = 1 [L117] RET changeMethaneLevel() [L123] tmp___2 = __VERIFIER_nondet_int() [L125] COND TRUE \read(tmp___2) [L140] CALL timeShift() [L169] COND FALSE !(\read(pumpRunning)) [L176] COND TRUE \read(systemActive) [L178] CALL processEnvironment() [L250] int tmp ; [L253] COND FALSE !(\read(pumpRunning)) [L268] CALL processEnvironment__wrappee__lowWaterSensor() [L224] int tmp ; [L227] COND FALSE !(\read(pumpRunning)) [L242] CALL processEnvironment__wrappee__highWaterSensor() [L198] int tmp ; [L201] COND TRUE ! pumpRunning [L203] CALL, EXPR isHighWaterLevel() [L347] int retValue_acc ; [L348] int tmp ; [L349] int tmp___0 ; [L353] CALL, EXPR isHighWaterSensorDry() [L481] int retValue_acc ; [L484] COND FALSE !(waterLevel < 2) [L488] retValue_acc = 0 [L489] return (retValue_acc); [L353] RET, EXPR isHighWaterSensorDry() [L353] tmp = isHighWaterSensorDry() [L355] COND FALSE !(\read(tmp)) [L358] tmp___0 = 1 [L360] retValue_acc = tmp___0 [L361] return (retValue_acc); [L203] RET, EXPR isHighWaterLevel() [L203] tmp = isHighWaterLevel() [L205] COND TRUE \read(tmp) [L207] CALL activatePump() [L278] pumpRunning = 1 [L207] RET activatePump() [L242] RET processEnvironment__wrappee__highWaterSensor() [L268] RET processEnvironment__wrappee__lowWaterSensor() [L178] RET processEnvironment() [L184] CALL __utac_acc__Specification1_spec__1() [L610] int tmp ; [L611] int tmp___0 ; [L615] CALL, EXPR isMethaneLevelCritical() [L440] int retValue_acc ; [L443] retValue_acc = methaneLevelCritical [L444] return (retValue_acc); [L615] RET, EXPR isMethaneLevelCritical() [L615] tmp = isMethaneLevelCritical() [L617] COND TRUE \read(tmp) [L619] CALL, EXPR isPumpRunning() [L302] int retValue_acc ; [L305] retValue_acc = pumpRunning [L306] return (retValue_acc); [L619] RET, EXPR isPumpRunning() [L619] tmp___0 = isPumpRunning() [L621] COND TRUE \read(tmp___0) [L623] CALL __automaton_fail() [L508] CALL reach_error() [L3] __assert_fail("0", "minepump_spec1_product55.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 263 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 45.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 869 SDtfs, 2028 SDslu, 1060 SDs, 0 SdLazy, 5423 SolverSat, 1450 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 145 SyntacticMatches, 5 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1630occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 1094 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 482 NumberOfCodeBlocks, 482 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 137315 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 12/12 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...