/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_spec4_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 17:01:02,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 17:01:02,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 17:01:02,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 17:01:02,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 17:01:02,316 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 17:01:02,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 17:01:02,324 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 17:01:02,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 17:01:02,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 17:01:02,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 17:01:02,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 17:01:02,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 17:01:02,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 17:01:02,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 17:01:02,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 17:01:02,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 17:01:02,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 17:01:02,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 17:01:02,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 17:01:02,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 17:01:02,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 17:01:02,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 17:01:02,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 17:01:02,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 17:01:02,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 17:01:02,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 17:01:02,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 17:01:02,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 17:01:02,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 17:01:02,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 17:01:02,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 17:01:02,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 17:01:02,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 17:01:02,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 17:01:02,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 17:01:02,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 17:01:02,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 17:01:02,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 17:01:02,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 17:01:02,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 17:01:02,388 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 [2020-10-28 17:01:02,415 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 17:01:02,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 17:01:02,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 17:01:02,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 17:01:02,422 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 17:01:02,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 17:01:02,422 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 17:01:02,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 17:01:02,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 17:01:02,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 17:01:02,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 17:01:02,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 17:01:02,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 17:01:02,424 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 17:01:02,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 17:01:02,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 17:01:02,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 17:01:02,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 17:01:02,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 17:01:02,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 17:01:02,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 17:01:02,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 17:01:02,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 17:01:02,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 17:01:02,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 17:01:02,426 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 17:01:02,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 17:01:02,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 17:01:02,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 17:01:02,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 17:01:02,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 17:01:02,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 17:01:02,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 17:01:02,929 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 17:01:02,930 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 17:01:02,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c [2020-10-28 17:01:03,007 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c03c96daf/ad39b70d4c074ef8888bb379e0d2c0d2/FLAGa36bf5139 [2020-10-28 17:01:03,688 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 17:01:03,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c [2020-10-28 17:01:03,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c03c96daf/ad39b70d4c074ef8888bb379e0d2c0d2/FLAGa36bf5139 [2020-10-28 17:01:03,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c03c96daf/ad39b70d4c074ef8888bb379e0d2c0d2 [2020-10-28 17:01:04,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 17:01:04,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 17:01:04,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 17:01:04,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 17:01:04,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 17:01:04,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:01:04" (1/1) ... [2020-10-28 17:01:04,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16f1e49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04, skipping insertion in model container [2020-10-28 17:01:04,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:01:04" (1/1) ... [2020-10-28 17:01:04,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 17:01:04,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 17:01:04,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:01:04,501 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 17:01:04,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 17:01:04,682 INFO L208 MainTranslator]: Completed translation [2020-10-28 17:01:04,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04 WrapperNode [2020-10-28 17:01:04,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 17:01:04,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 17:01:04,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 17:01:04,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 17:01:04,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04" (1/1) ... [2020-10-28 17:01:04,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04" (1/1) ... [2020-10-28 17:01:04,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04" (1/1) ... [2020-10-28 17:01:04,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04" (1/1) ... [2020-10-28 17:01:04,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04" (1/1) ... [2020-10-28 17:01:04,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04" (1/1) ... [2020-10-28 17:01:04,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04" (1/1) ... [2020-10-28 17:01:04,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 17:01:04,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 17:01:04,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 17:01:04,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 17:01:04,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04" (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 [2020-10-28 17:01:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 17:01:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 17:01:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 17:01:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 17:01:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 17:01:04,919 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 17:01:04,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 17:01:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 17:01:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 17:01:04,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-28 17:01:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 17:01:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 17:01:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 17:01:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 17:01:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 17:01:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 17:01:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 17:01:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 17:01:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 17:01:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 17:01:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 17:01:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-28 17:01:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 17:01:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 17:01:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 17:01:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 17:01:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 17:01:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 17:01:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 17:01:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 17:01:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 17:01:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 17:01:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 17:01:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 17:01:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 17:01:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 17:01:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 17:01:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 17:01:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 17:01:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 17:01:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 17:01:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 17:01:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 17:01:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 17:01:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 17:01:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 17:01:04,927 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 17:01:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 17:01:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 17:01:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 17:01:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 17:01:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 17:01:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 17:01:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 17:01:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 17:01:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 17:01:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 17:01:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 17:01:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 17:01:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 17:01:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 17:01:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 17:01:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 17:01:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-28 17:01:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 17:01:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 17:01:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 17:01:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 17:01:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 17:01:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 17:01:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 17:01:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 17:01:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 17:01:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 17:01:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 17:01:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 17:01:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 17:01:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 17:01:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 17:01:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 17:01:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 17:01:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 17:01:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 17:01:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 17:01:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 17:01:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 17:01:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 17:01:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 17:01:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 17:01:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 17:01:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 17:01:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-28 17:01:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 17:01:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 17:01:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 17:01:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 17:01:06,324 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 17:01:06,325 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 17:01:06,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:01:06 BoogieIcfgContainer [2020-10-28 17:01:06,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 17:01:06,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 17:01:06,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 17:01:06,333 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 17:01:06,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:01:04" (1/3) ... [2020-10-28 17:01:06,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cb863a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:01:06, skipping insertion in model container [2020-10-28 17:01:06,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:01:04" (2/3) ... [2020-10-28 17:01:06,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cb863a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:01:06, skipping insertion in model container [2020-10-28 17:01:06,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:01:06" (3/3) ... [2020-10-28 17:01:06,337 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product46.cil.c [2020-10-28 17:01:06,349 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 17:01:06,355 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 17:01:06,369 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 17:01:06,399 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 17:01:06,399 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 17:01:06,399 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 17:01:06,399 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 17:01:06,399 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 17:01:06,400 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 17:01:06,400 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 17:01:06,400 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 17:01:06,423 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2020-10-28 17:01:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 17:01:06,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:06,434 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] [2020-10-28 17:01:06,435 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]=== [2020-10-28 17:01:06,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:06,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1245910259, now seen corresponding path program 1 times [2020-10-28 17:01:06,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:06,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1462564064] [2020-10-28 17:01:06,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:06,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:07,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:07,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:09,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:11,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:11,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 17:01:11,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:01:11,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 17:01:11,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:11,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 17:01:11,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:11,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:01:12,489 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:12,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:12,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:12,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:12,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:12,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:12,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 17:01:12,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:12,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:12,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:12,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 17:01:12,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:12,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:12,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:12,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:12,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:12,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:01:12,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:12,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:12,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:12,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:12,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:12,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:12,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:12,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:12,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:12,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:12,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:12,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:12,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:12,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:12,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:12,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:12,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:12,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:12,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:12,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:12,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:12,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:12,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:12,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:12,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:12,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:12,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:12,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:12,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:12,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:12,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:12,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:12,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:12,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:12,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:12,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 17:01:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:12,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:12,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:12,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:12,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:01:12,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:12,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:12,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:12,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:12,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:01:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:12,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:12,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:12,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:12,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:12,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:12,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:12,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:12,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:12,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:12,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:01:12,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1462564064] [2020-10-28 17:01:12,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:12,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 17:01:12,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483194508] [2020-10-28 17:01:12,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 17:01:12,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:12,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 17:01:12,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 17:01:12,806 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 3 states. [2020-10-28 17:01:14,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:14,999 INFO L93 Difference]: Finished difference Result 323 states and 418 transitions. [2020-10-28 17:01:15,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 17:01:15,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 17:01:15,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:15,016 INFO L225 Difference]: With dead ends: 323 [2020-10-28 17:01:15,016 INFO L226 Difference]: Without dead ends: 173 [2020-10-28 17:01:15,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 17:01:15,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-28 17:01:15,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 138. [2020-10-28 17:01:15,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-28 17:01:15,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2020-10-28 17:01:15,127 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 47 [2020-10-28 17:01:15,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:15,127 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2020-10-28 17:01:15,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 17:01:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2020-10-28 17:01:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 17:01:15,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:15,131 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] [2020-10-28 17:01:15,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 17:01:15,132 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]=== [2020-10-28 17:01:15,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:15,133 INFO L82 PathProgramCache]: Analyzing trace with hash 66629190, now seen corresponding path program 1 times [2020-10-28 17:01:15,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:15,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [983272173] [2020-10-28 17:01:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:15,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:15,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:15,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:17,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:20,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:20,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 17:01:20,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:01:20,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 17:01:20,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:20,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:20,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 17:01:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:01:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:20,600 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:20,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:20,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:20,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:20,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:20,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:20,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 17:01:20,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:20,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:20,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:20,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:20,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:20,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:20,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:20,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:20,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:20,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:20,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:20,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:20,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:20,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:20,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:20,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:20,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:20,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:20,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:20,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:20,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:20,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:20,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:20,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:20,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:20,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:20,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:20,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:20,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:20,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:20,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:20,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:20,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:20,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:20,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:20,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:20,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:20,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:20,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:20,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:20,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:20,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:20,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:20,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:20,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:20,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:20,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:20,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:20,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:20,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:01:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:20,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:20,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:20,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:20,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:20,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:20,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:20,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:20,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:20,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:20,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 17:01:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:20,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:20,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:20,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:20,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:20,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:20,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:20,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:20,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:20,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:01:20,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [983272173] [2020-10-28 17:01:20,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:20,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 17:01:20,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467305922] [2020-10-28 17:01:20,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 17:01:20,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:20,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 17:01:20,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 17:01:20,703 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 4 states. [2020-10-28 17:01:21,320 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:22,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:22,534 INFO L93 Difference]: Finished difference Result 249 states and 301 transitions. [2020-10-28 17:01:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 17:01:22,535 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 17:01:22,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:22,542 INFO L225 Difference]: With dead ends: 249 [2020-10-28 17:01:22,544 INFO L226 Difference]: Without dead ends: 157 [2020-10-28 17:01:22,546 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:01:22,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-28 17:01:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 129. [2020-10-28 17:01:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-28 17:01:22,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2020-10-28 17:01:22,648 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 48 [2020-10-28 17:01:22,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:22,649 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2020-10-28 17:01:22,649 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 17:01:22,649 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2020-10-28 17:01:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 17:01:22,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:22,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:01:22,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 17:01:22,657 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]=== [2020-10-28 17:01:22,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:22,657 INFO L82 PathProgramCache]: Analyzing trace with hash -2034594593, now seen corresponding path program 1 times [2020-10-28 17:01:22,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:22,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [343981226] [2020-10-28 17:01:22,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:22,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:23,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:24,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:26,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:26,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-28 17:01:26,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 17:01:26,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4073 [2020-10-28 17:01:26,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:26,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:26,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 17:01:26,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:26,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 17:01:26,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,192 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:27,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 17:01:27,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:01:27,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:27,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:27,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:27,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:01:27,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:27,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:01:27,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:27,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:27,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:27,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:27,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:01:27,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 17:01:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:27,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:27,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 17:01:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:27,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:27,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:27,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:27,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:27,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:01:27,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:27,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:27,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:27,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:27,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:01:27,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [343981226] [2020-10-28 17:01:27,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:27,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 17:01:27,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666385560] [2020-10-28 17:01:27,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 17:01:27,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:27,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 17:01:27,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 17:01:27,372 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 5 states. [2020-10-28 17:01:27,766 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:01:28,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:28,927 INFO L93 Difference]: Finished difference Result 262 states and 319 transitions. [2020-10-28 17:01:28,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 17:01:28,929 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 17:01:28,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:28,932 INFO L225 Difference]: With dead ends: 262 [2020-10-28 17:01:28,932 INFO L226 Difference]: Without dead ends: 157 [2020-10-28 17:01:28,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:01:28,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-28 17:01:29,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 129. [2020-10-28 17:01:29,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-28 17:01:29,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2020-10-28 17:01:29,012 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 53 [2020-10-28 17:01:29,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:29,013 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2020-10-28 17:01:29,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 17:01:29,013 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2020-10-28 17:01:29,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 17:01:29,020 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:29,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:01:29,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 17:01:29,021 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]=== [2020-10-28 17:01:29,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:29,023 INFO L82 PathProgramCache]: Analyzing trace with hash -438390022, now seen corresponding path program 1 times [2020-10-28 17:01:29,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:29,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101476452] [2020-10-28 17:01:29,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:29,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:29,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:29,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:30,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:32,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:33,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:33,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 17:01:34,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 17:01:34,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 17:01:34,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:01:34,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 17:01:34,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:01:34,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:01:34,490 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:34,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 17:01:34,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:34,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:34,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:34,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:34,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:34,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:34,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:01:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 17:01:34,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:01:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:01:34,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 17:01:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:01:34,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 17:01:34,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:01:34,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 17:01:34,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:01:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:01:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 17:01:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:34,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:34,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:34,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:34,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:01:34,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-28 17:01:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:34,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 17:01:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:34,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:34,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:34,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:34,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:34,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:34,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:34,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:34,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:34,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:01:34,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101476452] [2020-10-28 17:01:34,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:34,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 17:01:34,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447218041] [2020-10-28 17:01:34,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 17:01:34,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:34,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 17:01:34,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 17:01:34,702 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand 6 states. [2020-10-28 17:01:35,208 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:37,032 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:01:37,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:37,955 INFO L93 Difference]: Finished difference Result 369 states and 450 transitions. [2020-10-28 17:01:37,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 17:01:37,956 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-10-28 17:01:37,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:37,959 INFO L225 Difference]: With dead ends: 369 [2020-10-28 17:01:37,959 INFO L226 Difference]: Without dead ends: 264 [2020-10-28 17:01:37,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-28 17:01:37,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-28 17:01:38,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 219. [2020-10-28 17:01:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-28 17:01:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 246 transitions. [2020-10-28 17:01:38,038 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 246 transitions. Word has length 66 [2020-10-28 17:01:38,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:38,039 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 246 transitions. [2020-10-28 17:01:38,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 17:01:38,039 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 246 transitions. [2020-10-28 17:01:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 17:01:38,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:38,042 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] [2020-10-28 17:01:38,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 17:01:38,043 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]=== [2020-10-28 17:01:38,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:38,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1610637248, now seen corresponding path program 1 times [2020-10-28 17:01:38,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:38,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239554812] [2020-10-28 17:01:38,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:38,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:38,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:38,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:38,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 17:01:43,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 17:01:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 17:01:43,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 17:01:43,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:01:43,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 17:01:43,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,582 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:43,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:43,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 17:01:43,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:43,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:43,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:43,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:43,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:43,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:43,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:43,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:43,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:43,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:43,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:43,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:43,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:43,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:43,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:43,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:01:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 17:01:43,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:01:43,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 17:01:43,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:01:43,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 17:01:43,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 17:01:43,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:01:43,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:01:43,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:01:43,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 17:01:43,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:43,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:43,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:43,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:43,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:01:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:43,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:43,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:43,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:01:43,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 17:01:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:43,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:43,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:01:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:43,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 17:01:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:43,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:43,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:43,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:43,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:43,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:01:43,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:43,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:43,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:01:43,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239554812] [2020-10-28 17:01:43,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:43,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:01:43,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988815485] [2020-10-28 17:01:43,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:01:43,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:43,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:01:43,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:01:43,787 INFO L87 Difference]: Start difference. First operand 219 states and 246 transitions. Second operand 8 states. [2020-10-28 17:01:44,317 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:45,863 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:01:46,366 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:01:46,790 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 17:01:47,353 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:47,834 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:01:48,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:48,902 INFO L93 Difference]: Finished difference Result 266 states and 317 transitions. [2020-10-28 17:01:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:01:48,903 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-28 17:01:48,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:48,907 INFO L225 Difference]: With dead ends: 266 [2020-10-28 17:01:48,907 INFO L226 Difference]: Without dead ends: 262 [2020-10-28 17:01:48,908 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:01:48,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-10-28 17:01:48,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 219. [2020-10-28 17:01:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-10-28 17:01:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 245 transitions. [2020-10-28 17:01:48,972 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 245 transitions. Word has length 80 [2020-10-28 17:01:48,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:48,973 INFO L481 AbstractCegarLoop]: Abstraction has 219 states and 245 transitions. [2020-10-28 17:01:48,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:01:48,973 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 245 transitions. [2020-10-28 17:01:48,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 17:01:48,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:48,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:01:48,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 17:01:48,975 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]=== [2020-10-28 17:01:48,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:48,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1665774627, now seen corresponding path program 1 times [2020-10-28 17:01:48,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:48,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [682509935] [2020-10-28 17:01:48,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:49,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:49,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:52,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:52,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 17:01:52,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:01:52,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3264 [2020-10-28 17:01:52,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:52,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:01:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-28 17:01:52,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:01:52,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:52,738 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:52,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:52,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:52,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:52,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:52,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:52,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 17:01:52,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:52,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:52,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:52,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:52,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:52,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:52,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:52,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:52,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:52,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:52,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:52,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:52,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:52,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:52,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:52,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:52,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:52,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:52,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:52,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:52,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:52,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:52,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:52,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:52,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:52,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:52,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:52,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:52,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:52,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:52,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:52,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:52,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:52,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:52,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:52,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:52,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:52,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:52,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:52,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:52,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:52,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:52,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:52,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:52,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:52,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:52,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:52,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:52,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:52,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:01:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:52,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:52,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:52,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:01:52,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:52,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 17:01:52,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:52,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:52,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:01:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 17:01:52,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:01:52,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:52,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:52,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:52,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:52,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:01:52,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:52,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 17:01:52,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:52,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:01:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 17:01:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 17:01:52,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:53,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:53,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:53,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:53,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:53,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:01:53,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:53,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 17:01:53,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:53,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 17:01:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:53,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:53,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:53,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:53,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:53,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:53,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:53,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:53,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:53,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:53,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:01:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:53,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:53,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:53,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:01:53,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:53,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:01:53,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:53,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 17:01:53,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:53,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:53,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:53,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:53,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:01:53,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:53,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:53,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:53,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:53,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:53,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:53,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:53,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:53,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:53,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:53,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:53,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:53,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:53,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:53,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:53,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:53,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:53,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:53,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:53,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:53,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:53,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:53,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:53,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 17:01:53,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 17:01:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:53,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:53,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:53,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:53,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:53,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:53,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:53,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:53,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:53,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:53,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:53,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:53,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:01:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:53,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:53,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:53,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:53,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:53,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:53,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:53,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:53,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:53,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:01:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:01:53,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [682509935] [2020-10-28 17:01:53,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:53,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:01:53,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054684722] [2020-10-28 17:01:53,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:01:53,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:53,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:01:53,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:01:53,177 INFO L87 Difference]: Start difference. First operand 219 states and 245 transitions. Second operand 8 states. [2020-10-28 17:01:54,360 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:01:54,800 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 17:01:55,217 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:01:55,637 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:01:56,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:01:56,738 INFO L93 Difference]: Finished difference Result 458 states and 546 transitions. [2020-10-28 17:01:56,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 17:01:56,739 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-10-28 17:01:56,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:01:56,742 INFO L225 Difference]: With dead ends: 458 [2020-10-28 17:01:56,742 INFO L226 Difference]: Without dead ends: 263 [2020-10-28 17:01:56,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:01:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-28 17:01:56,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 224. [2020-10-28 17:01:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-28 17:01:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 250 transitions. [2020-10-28 17:01:56,806 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 250 transitions. Word has length 96 [2020-10-28 17:01:56,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:01:56,807 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 250 transitions. [2020-10-28 17:01:56,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:01:56,807 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 250 transitions. [2020-10-28 17:01:56,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 17:01:56,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:01:56,808 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:01:56,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 17:01:56,809 INFO L429 AbstractCegarLoop]: === Iteration 7 === [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]=== [2020-10-28 17:01:56,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:01:56,809 INFO L82 PathProgramCache]: Analyzing trace with hash -700919967, now seen corresponding path program 1 times [2020-10-28 17:01:56,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:01:56,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925036380] [2020-10-28 17:01:56,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:01:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:56,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:56,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 17:01:59,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:01:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2217 [2020-10-28 17:01:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 17:01:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,522 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:01:59,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:01:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:59,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 17:01:59,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:59,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:01:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:59,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:59,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:01:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:59,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:59,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:59,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:59,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:59,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:59,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:01:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:01:59,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:01:59,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:59,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:01:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:01:59,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 17:01:59,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 17:01:59,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:59,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:59,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:01:59,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 17:01:59,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 17:01:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:59,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:01:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:01:59,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:01:59,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:01:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 17:01:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:59,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:01:59,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:59,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:01:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:59,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:01:59,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:01:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:01:59,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:01:59,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 17:01:59,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:01:59,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:01:59,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:59,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 17:01:59,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:01:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:59,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:59,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:59,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:01:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:59,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:01:59,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:01:59,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 17:01:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:59,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:59,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:59,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:01:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:01:59,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:01:59,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:01:59,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:01:59,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:01:59,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:01:59,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:01:59,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:01:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:01:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:01:59,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:01:59,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:01:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:01:59,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925036380] [2020-10-28 17:01:59,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:01:59,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 17:01:59,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939954025] [2020-10-28 17:01:59,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 17:01:59,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:01:59,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 17:01:59,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 17:01:59,817 INFO L87 Difference]: Start difference. First operand 224 states and 250 transitions. Second operand 7 states. [2020-10-28 17:02:00,935 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:01,348 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:01,760 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 17:02:02,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:02,966 INFO L93 Difference]: Finished difference Result 468 states and 557 transitions. [2020-10-28 17:02:02,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 17:02:02,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2020-10-28 17:02:02,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:02,973 INFO L225 Difference]: With dead ends: 468 [2020-10-28 17:02:02,974 INFO L226 Difference]: Without dead ends: 268 [2020-10-28 17:02:02,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:02:02,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-28 17:02:03,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2020-10-28 17:02:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-10-28 17:02:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 254 transitions. [2020-10-28 17:02:03,030 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 254 transitions. Word has length 96 [2020-10-28 17:02:03,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:03,031 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 254 transitions. [2020-10-28 17:02:03,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 17:02:03,031 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 254 transitions. [2020-10-28 17:02:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 17:02:03,032 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:03,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 17:02:03,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 17:02:03,033 INFO L429 AbstractCegarLoop]: === Iteration 8 === [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]=== [2020-10-28 17:02:03,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:03,033 INFO L82 PathProgramCache]: Analyzing trace with hash -941460096, now seen corresponding path program 1 times [2020-10-28 17:02:03,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:03,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305627844] [2020-10-28 17:02:03,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:03,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:03,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:03,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-28 17:02:05,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:02:05,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2239 [2020-10-28 17:02:05,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:02:05,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 17:02:05,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 17:02:05,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,702 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:05,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:05,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 17:02:05,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:05,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:05,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:05,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:05,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:05,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:05,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:05,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:05,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:05,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:05,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:05,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 17:02:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:02:05,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:02:05,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 17:02:05,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:02:05,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 17:02:05,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:05,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:02:05,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:02:05,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:02:05,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:05,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:02:05,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:02:05,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:05,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:05,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:02:05,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:02:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:02:05,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:02:05,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:05,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:02:05,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:02:05,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:05,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:05,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:05,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:05,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:05,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:05,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:05,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:05,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 17:02:05,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-28 17:02:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:05,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:05,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:05,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 17:02:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:05,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:05,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:05,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:05,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:05,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:05,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:05,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:05,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:05,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:05,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:05,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 17:02:05,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305627844] [2020-10-28 17:02:05,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 17:02:05,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 17:02:05,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385761249] [2020-10-28 17:02:05,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 17:02:05,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:05,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 17:02:05,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 17:02:05,946 INFO L87 Difference]: Start difference. First operand 228 states and 254 transitions. Second operand 8 states. [2020-10-28 17:02:06,866 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:08,326 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:08,719 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:09,214 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:02:09,642 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 17:02:10,052 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:11,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:11,608 INFO L93 Difference]: Finished difference Result 573 states and 731 transitions. [2020-10-28 17:02:11,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 17:02:11,609 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2020-10-28 17:02:11,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:11,613 INFO L225 Difference]: With dead ends: 573 [2020-10-28 17:02:11,613 INFO L226 Difference]: Without dead ends: 369 [2020-10-28 17:02:11,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 17:02:11,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-10-28 17:02:11,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 313. [2020-10-28 17:02:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-28 17:02:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 368 transitions. [2020-10-28 17:02:11,692 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 368 transitions. Word has length 96 [2020-10-28 17:02:11,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:11,693 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 368 transitions. [2020-10-28 17:02:11,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 17:02:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 368 transitions. [2020-10-28 17:02:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-28 17:02:11,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:11,697 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 17:02:11,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 17:02:11,697 INFO L429 AbstractCegarLoop]: === Iteration 9 === [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]=== [2020-10-28 17:02:11,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:11,698 INFO L82 PathProgramCache]: Analyzing trace with hash 321087967, now seen corresponding path program 1 times [2020-10-28 17:02:11,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:11,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [893979511] [2020-10-28 17:02:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:11,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-28 17:02:14,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 17:02:14,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2556 [2020-10-28 17:02:14,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:02:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 17:02:14,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-28 17:02:14,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,721 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:14,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:14,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 17:02:14,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:14,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:14,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:14,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:14,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:14,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:14,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:14,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:14,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:14,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:14,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:14,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:14,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:14,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:14,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:14,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:14,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:14,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:14,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:02:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 17:02:14,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 17:02:14,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 17:02:14,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:02:14,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 17:02:14,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 17:02:14,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:02:14,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 17:02:14,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:14,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:02:14,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:14,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:02:14,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:02:14,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:14,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:02:14,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:02:14,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:14,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:02:14,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:02:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:02:14,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:02:14,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:14,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:02:14,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:02:14,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:14,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:14,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:14,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:14,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:14,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:14,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:14,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:14,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:14,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:14,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:02:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:02:14,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:02:14,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:14,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:02:14,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:14,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:14,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:14,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:14,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:14,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:14,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-28 17:02:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:14,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:14,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:14,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:14,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:14,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:02:14,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:14,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:14,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 17:02:14,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:02:14,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 17:02:14,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:15,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-28 17:02:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:15,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:15,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:15,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 17:02:15,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:15,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 17:02:15,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:15,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 17:02:15,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:15,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:15,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:15,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:15,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:15,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:15,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:15,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:15,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:15,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:15,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:15,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:15,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:15,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:02:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:15,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:15,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:15,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:02:15,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:15,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:15,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:15,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:15,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:15,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:15,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:15,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:15,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:15,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:15,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:15,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:15,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:15,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:15,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:15,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:15,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:15,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:15,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 17:02:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:15,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:15,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:15,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:15,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:15,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 17:02:15,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:15,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:15,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:15,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:15,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:15,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 17:02:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:15,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:15,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:15,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:15,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:15,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:15,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:15,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:15,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:15,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:15,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 17:02:15,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [893979511] [2020-10-28 17:02:15,130 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:02:15,130 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 17:02:15,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608873382] [2020-10-28 17:02:15,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 17:02:15,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:15,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 17:02:15,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-28 17:02:15,132 INFO L87 Difference]: Start difference. First operand 313 states and 368 transitions. Second operand 12 states. [2020-10-28 17:02:15,675 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:16,368 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:17,980 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:18,393 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:18,840 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:19,236 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:02:19,635 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 17:02:20,031 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 17:02:21,527 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:22,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:22,950 INFO L93 Difference]: Finished difference Result 936 states and 1256 transitions. [2020-10-28 17:02:22,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-28 17:02:22,951 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 148 [2020-10-28 17:02:22,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:22,957 INFO L225 Difference]: With dead ends: 936 [2020-10-28 17:02:22,957 INFO L226 Difference]: Without dead ends: 647 [2020-10-28 17:02:22,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 56 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=259, Invalid=611, Unknown=0, NotChecked=0, Total=870 [2020-10-28 17:02:22,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-10-28 17:02:23,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 452. [2020-10-28 17:02:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-10-28 17:02:23,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 538 transitions. [2020-10-28 17:02:23,105 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 538 transitions. Word has length 148 [2020-10-28 17:02:23,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:23,105 INFO L481 AbstractCegarLoop]: Abstraction has 452 states and 538 transitions. [2020-10-28 17:02:23,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 17:02:23,106 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 538 transitions. [2020-10-28 17:02:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-10-28 17:02:23,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:23,110 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 17:02:23,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 17:02:23,110 INFO L429 AbstractCegarLoop]: === Iteration 10 === [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]=== [2020-10-28 17:02:23,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:23,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1738916674, now seen corresponding path program 2 times [2020-10-28 17:02:23,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:23,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180643028] [2020-10-28 17:02:23,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:23,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:23,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:23,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-28 17:02:28,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 17:02:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 17:02:28,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 17:02:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-28 17:02:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,535 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 17:02:28,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 17:02:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-28 17:02:28,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 17:02:28,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:28,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:02:28,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 17:02:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:28,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:02:28,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 17:02:28,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 17:02:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:28,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 17:02:28,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 17:02:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 17:02:28,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 17:02:28,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 17:02:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 17:02:28,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-28 17:02:28,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 17:02:28,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:02:28,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 17:02:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 17:02:28,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 17:02:28,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 17:02:28,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 17:02:28,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 17:02:28,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:02:28,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 17:02:28,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 17:02:28,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 17:02:28,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 17:02:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 17:02:28,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 17:02:28,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 17:02:28,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:02:28,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 17:02:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 17:02:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:02:28,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:28,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 17:02:28,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 17:02:28,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 17:02:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 17:02:28,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 17:02:28,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 17:02:28,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 17:02:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 17:02:28,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 17:02:28,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:02:28,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:02:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:02:28,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:28,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 17:02:28,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 17:02:28,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-28 17:02:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:28,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-28 17:02:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 17:02:28,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 17:02:28,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-28 17:02:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 17:02:28,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 17:02:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:28,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:28,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:28,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 17:02:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:28,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:28,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:28,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 17:02:28,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:28,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:28,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:28,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:28,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:29,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 17:02:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:29,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:29,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:29,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 17:02:29,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 17:02:29,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:29,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 17:02:29,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:29,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:29,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-28 17:02:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:29,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:29,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:29,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:29,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:29,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:29,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:29,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:29,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:29,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-28 17:02:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 17:02:29,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 17:02:29,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 17:02:29,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 17:02:29,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 17:02:29,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 17:02:29,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 17:02:29,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 17:02:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 17:02:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 17:02:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 17:02:29,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 17:02:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 37 proven. 13 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-28 17:02:29,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180643028] [2020-10-28 17:02:29,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 17:02:29,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 17:02:29,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085867368] [2020-10-28 17:02:29,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 17:02:29,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 17:02:29,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 17:02:29,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 17:02:29,064 INFO L87 Difference]: Start difference. First operand 452 states and 538 transitions. Second operand 10 states. [2020-10-28 17:02:29,599 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 17:02:30,684 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 204 [2020-10-28 17:02:33,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 17:02:33,571 INFO L93 Difference]: Finished difference Result 1023 states and 1256 transitions. [2020-10-28 17:02:33,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-28 17:02:33,571 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 200 [2020-10-28 17:02:33,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 17:02:33,576 INFO L225 Difference]: With dead ends: 1023 [2020-10-28 17:02:33,577 INFO L226 Difference]: Without dead ends: 595 [2020-10-28 17:02:33,580 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2020-10-28 17:02:33,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-10-28 17:02:33,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 515. [2020-10-28 17:02:33,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2020-10-28 17:02:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2020-10-28 17:02:33,740 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 200 [2020-10-28 17:02:33,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 17:02:33,740 INFO L481 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2020-10-28 17:02:33,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 17:02:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2020-10-28 17:02:33,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 17:02:33,744 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 17:02:33,744 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 17:02:33,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 17:02:33,745 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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]=== [2020-10-28 17:02:33,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 17:02:33,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1351876056, now seen corresponding path program 1 times [2020-10-28 17:02:33,746 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 17:02:33,746 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169999759] [2020-10-28 17:02:33,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 17:02:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 17:02:33,797 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 17:02:33,797 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 17:02:33,802 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 17:02:33,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 05:02:33 BoogieIcfgContainer [2020-10-28 17:02:33,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 17:02:33,839 INFO L168 Benchmark]: Toolchain (without parser) took 89833.98 ms. Allocated memory was 155.2 MB in the beginning and 675.3 MB in the end (delta: 520.1 MB). Free memory was 129.2 MB in the beginning and 435.9 MB in the end (delta: -306.7 MB). Peak memory consumption was 214.2 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:33,840 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 155.2 MB. Free memory was 125.1 MB in the beginning and 125.1 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 17:02:33,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.08 ms. Allocated memory is still 155.2 MB. Free memory was 128.5 MB in the beginning and 106.8 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:33,841 INFO L168 Benchmark]: Boogie Preprocessor took 86.94 ms. Allocated memory is still 155.2 MB. Free memory was 106.8 MB in the beginning and 102.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:33,842 INFO L168 Benchmark]: RCFGBuilder took 1555.20 ms. Allocated memory is still 155.2 MB. Free memory was 102.9 MB in the beginning and 132.3 MB in the end (delta: -29.4 MB). Peak memory consumption was 56.9 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:33,843 INFO L168 Benchmark]: TraceAbstraction took 87507.86 ms. Allocated memory was 155.2 MB in the beginning and 675.3 MB in the end (delta: 520.1 MB). Free memory was 131.8 MB in the beginning and 435.9 MB in the end (delta: -304.1 MB). Peak memory consumption was 216.0 MB. Max. memory is 8.0 GB. [2020-10-28 17:02:33,846 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 155.2 MB. Free memory was 125.1 MB in the beginning and 125.1 MB in the end (delta: 76.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 672.08 ms. Allocated memory is still 155.2 MB. Free memory was 128.5 MB in the beginning and 106.8 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.94 ms. Allocated memory is still 155.2 MB. Free memory was 106.8 MB in the beginning and 102.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1555.20 ms. Allocated memory is still 155.2 MB. Free memory was 102.9 MB in the beginning and 132.3 MB in the end (delta: -29.4 MB). Peak memory consumption was 56.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 87507.86 ms. Allocated memory was 155.2 MB in the beginning and 675.3 MB in the end (delta: 520.1 MB). Free memory was 131.8 MB in the beginning and 435.9 MB in the end (delta: -304.1 MB). Peak memory consumption was 216.0 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: [L42] int cleanupTimeShifts = 4; [L344] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L557] int pumpRunning = 0; [L558] int systemActive = 1; [L760] int waterLevel = 1; [L761] int methaneLevelCritical = 0; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L947] int retValue_acc ; [L950] retValue_acc = 1 [L951] return (retValue_acc); [L130] RET, EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L114] CALL test() [L855] int splverifierCounter ; [L856] int tmp ; [L857] int tmp___0 ; [L858] int tmp___1 ; [L859] int tmp___2 ; [L862] splverifierCounter = 0 [L864] COND TRUE 1 [L866] COND TRUE splverifierCounter < 4 [L872] tmp = __VERIFIER_nondet_int() [L874] COND TRUE \read(tmp) [L876] CALL waterRise() [L778] COND TRUE waterLevel < 2 [L779] waterLevel = waterLevel + 1 [L876] RET waterRise() [L882] tmp___0 = __VERIFIER_nondet_int() [L884] COND FALSE !(\read(tmp___0)) [L892] tmp___2 = __VERIFIER_nondet_int() [L894] COND FALSE !(\read(tmp___2)) [L900] tmp___1 = __VERIFIER_nondet_int() [L902] COND TRUE \read(tmp___1) [L909] CALL timeShift() [L564] COND FALSE !(\read(pumpRunning)) [L571] COND TRUE \read(systemActive) [L573] CALL processEnvironment() [L619] int tmp ; [L622] COND FALSE !(\read(pumpRunning)) [L637] CALL processEnvironment__wrappee__methaneQuery() [L593] int tmp ; [L596] COND TRUE ! pumpRunning [L598] CALL, EXPR isHighWaterLevel() [L733] int retValue_acc ; [L734] int tmp ; [L735] int tmp___0 ; [L739] CALL, EXPR isHighWaterSensorDry() [L840] int retValue_acc ; [L843] COND FALSE !(waterLevel < 2) [L847] retValue_acc = 0 [L848] return (retValue_acc); [L739] RET, EXPR isHighWaterSensorDry() [L739] tmp = isHighWaterSensorDry() [L741] COND FALSE !(\read(tmp)) [L744] tmp___0 = 1 [L746] retValue_acc = tmp___0 [L747] return (retValue_acc); [L598] RET, EXPR isHighWaterLevel() [L598] tmp = isHighWaterLevel() [L600] COND TRUE \read(tmp) [L602] CALL activatePump() [L652] int tmp ; [L656] CALL, EXPR isMethaneAlarm() [L677] int retValue_acc ; [L681] CALL, EXPR isMethaneLevelCritical() [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() [L681] retValue_acc = isMethaneLevelCritical() [L683] return (retValue_acc); [L656] RET, EXPR isMethaneAlarm() [L656] tmp = isMethaneAlarm() [L658] COND FALSE !(\read(tmp)) [L662] CALL activatePump__wrappee__highWaterSensor() [L647] pumpRunning = 1 [L662] RET activatePump__wrappee__highWaterSensor() [L602] RET activatePump() [L637] RET processEnvironment__wrappee__methaneQuery() [L573] RET processEnvironment() [L579] CALL __utac_acc__Specification4_spec__1() [L150] int tmp ; [L151] int tmp___0 ; [L155] CALL, EXPR getWaterLevel() [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); [L155] RET, EXPR getWaterLevel() [L155] tmp = getWaterLevel() [L157] COND FALSE !(tmp == 0) [L579] RET __utac_acc__Specification4_spec__1() [L909] RET timeShift() [L864] COND TRUE 1 [L866] COND TRUE splverifierCounter < 4 [L872] tmp = __VERIFIER_nondet_int() [L874] COND FALSE !(\read(tmp)) [L882] tmp___0 = __VERIFIER_nondet_int() [L884] COND FALSE !(\read(tmp___0)) [L892] tmp___2 = __VERIFIER_nondet_int() [L894] COND FALSE !(\read(tmp___2)) [L900] tmp___1 = __VERIFIER_nondet_int() [L902] COND TRUE \read(tmp___1) [L909] CALL timeShift() [L564] COND TRUE \read(pumpRunning) [L566] CALL lowerWaterLevel() [L766] COND TRUE waterLevel > 0 [L767] waterLevel = waterLevel - 1 [L566] RET lowerWaterLevel() [L571] COND TRUE \read(systemActive) [L573] CALL processEnvironment() [L619] int tmp ; [L622] COND TRUE \read(pumpRunning) [L624] CALL, EXPR isMethaneAlarm() [L677] int retValue_acc ; [L681] CALL, EXPR isMethaneLevelCritical() [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() [L681] retValue_acc = isMethaneLevelCritical() [L683] return (retValue_acc); [L624] RET, EXPR isMethaneAlarm() [L624] tmp = isMethaneAlarm() [L626] COND FALSE !(\read(tmp)) [L632] CALL processEnvironment__wrappee__methaneQuery() [L593] int tmp ; [L596] COND FALSE !(! pumpRunning) [L611] FCALL processEnvironment__wrappee__base() [L632] RET processEnvironment__wrappee__methaneQuery() [L573] RET processEnvironment() [L579] CALL __utac_acc__Specification4_spec__1() [L150] int tmp ; [L151] int tmp___0 ; [L155] CALL, EXPR getWaterLevel() [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); [L155] RET, EXPR getWaterLevel() [L155] tmp = getWaterLevel() [L157] COND FALSE !(tmp == 0) [L579] RET __utac_acc__Specification4_spec__1() [L909] RET timeShift() [L864] COND TRUE 1 [L866] COND TRUE splverifierCounter < 4 [L872] tmp = __VERIFIER_nondet_int() [L874] COND FALSE !(\read(tmp)) [L882] tmp___0 = __VERIFIER_nondet_int() [L884] COND FALSE !(\read(tmp___0)) [L892] tmp___2 = __VERIFIER_nondet_int() [L894] COND FALSE !(\read(tmp___2)) [L900] tmp___1 = __VERIFIER_nondet_int() [L902] COND TRUE \read(tmp___1) [L909] CALL timeShift() [L564] COND TRUE \read(pumpRunning) [L566] CALL lowerWaterLevel() [L766] COND TRUE waterLevel > 0 [L767] waterLevel = waterLevel - 1 [L566] RET lowerWaterLevel() [L571] COND TRUE \read(systemActive) [L573] CALL processEnvironment() [L619] int tmp ; [L622] COND TRUE \read(pumpRunning) [L624] CALL, EXPR isMethaneAlarm() [L677] int retValue_acc ; [L681] CALL, EXPR isMethaneLevelCritical() [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); [L681] RET, EXPR isMethaneLevelCritical() [L681] retValue_acc = isMethaneLevelCritical() [L683] return (retValue_acc); [L624] RET, EXPR isMethaneAlarm() [L624] tmp = isMethaneAlarm() [L626] COND FALSE !(\read(tmp)) [L632] CALL processEnvironment__wrappee__methaneQuery() [L593] int tmp ; [L596] COND FALSE !(! pumpRunning) [L611] FCALL processEnvironment__wrappee__base() [L632] RET processEnvironment__wrappee__methaneQuery() [L573] RET processEnvironment() [L579] CALL __utac_acc__Specification4_spec__1() [L150] int tmp ; [L151] int tmp___0 ; [L155] CALL, EXPR getWaterLevel() [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); [L155] RET, EXPR getWaterLevel() [L155] tmp = getWaterLevel() [L157] COND TRUE tmp == 0 [L159] CALL, EXPR isPumpRunning() [L688] int retValue_acc ; [L691] retValue_acc = pumpRunning [L692] return (retValue_acc); [L159] RET, EXPR isPumpRunning() [L159] tmp___0 = isPumpRunning() [L161] COND TRUE \read(tmp___0) [L163] CALL __automaton_fail() [L545] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product46.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 248 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 87.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 38.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1349 SDtfs, 2401 SDslu, 1145 SDs, 0 SdLazy, 5790 SolverSat, 1689 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 436 GetRequests, 317 SyntacticMatches, 13 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=515occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 589 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 46.7s InterpolantComputationTime, 1134 NumberOfCodeBlocks, 1134 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 920 ConstructedInterpolants, 0 QuantifiedInterpolants, 354776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 144/163 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...