/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 11:27:06,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 11:27:06,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 11:27:06,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 11:27:06,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 11:27:06,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 11:27:06,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 11:27:06,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 11:27:06,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 11:27:06,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 11:27:06,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 11:27:06,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 11:27:06,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 11:27:06,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 11:27:06,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 11:27:06,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 11:27:06,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 11:27:06,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 11:27:06,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 11:27:06,335 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 11:27:06,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 11:27:06,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 11:27:06,343 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 11:27:06,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 11:27:06,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 11:27:06,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 11:27:06,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 11:27:06,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 11:27:06,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 11:27:06,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 11:27:06,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 11:27:06,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 11:27:06,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 11:27:06,367 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 11:27:06,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 11:27:06,369 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 11:27:06,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 11:27:06,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 11:27:06,370 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 11:27:06,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 11:27:06,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 11:27:06,374 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 [2020-10-29 11:27:06,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 11:27:06,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 11:27:06,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 11:27:06,403 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 11:27:06,403 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 11:27:06,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 11:27:06,404 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 11:27:06,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 11:27:06,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 11:27:06,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 11:27:06,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 11:27:06,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 11:27:06,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 11:27:06,405 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 11:27:06,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 11:27:06,406 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 11:27:06,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 11:27:06,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 11:27:06,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 11:27:06,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 11:27:06,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 11:27:06,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 11:27:06,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 11:27:06,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 11:27:06,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 11:27:06,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 11:27:06,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 11:27:06,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 11:27:06,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 11:27:06,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 11:27:06,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 11:27:06,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 11:27:06,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 11:27:06,901 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 11:27:06,902 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 11:27:06,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2020-10-29 11:27:06,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c018e04d/ae7a1c47abb2403c8c6f631080e5bcde/FLAG3c5340730 [2020-10-29 11:27:07,862 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 11:27:07,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2020-10-29 11:27:07,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c018e04d/ae7a1c47abb2403c8c6f631080e5bcde/FLAG3c5340730 [2020-10-29 11:27:08,095 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c018e04d/ae7a1c47abb2403c8c6f631080e5bcde [2020-10-29 11:27:08,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 11:27:08,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 11:27:08,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 11:27:08,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 11:27:08,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 11:27:08,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:27:08" (1/1) ... [2020-10-29 11:27:08,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ae7ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08, skipping insertion in model container [2020-10-29 11:27:08,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 11:27:08" (1/1) ... [2020-10-29 11:27:08,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 11:27:08,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 11:27:08,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:27:08,587 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 11:27:08,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 11:27:08,814 INFO L208 MainTranslator]: Completed translation [2020-10-29 11:27:08,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08 WrapperNode [2020-10-29 11:27:08,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 11:27:08,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 11:27:08,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 11:27:08,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 11:27:08,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08" (1/1) ... [2020-10-29 11:27:08,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08" (1/1) ... [2020-10-29 11:27:08,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08" (1/1) ... [2020-10-29 11:27:08,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08" (1/1) ... [2020-10-29 11:27:08,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08" (1/1) ... [2020-10-29 11:27:08,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08" (1/1) ... [2020-10-29 11:27:08,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08" (1/1) ... [2020-10-29 11:27:08,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 11:27:08,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 11:27:08,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 11:27:08,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 11:27:08,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08" (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 [2020-10-29 11:27:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 11:27:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 11:27:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-29 11:27:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 11:27:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-29 11:27:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-29 11:27:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-29 11:27:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-29 11:27:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-29 11:27:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:27:09,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-29 11:27:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-29 11:27:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-29 11:27:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-29 11:27:09,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-29 11:27:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-29 11:27:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-29 11:27:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-29 11:27:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-29 11:27:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-29 11:27:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 11:27:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-29 11:27:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-29 11:27:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:27:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:27:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-29 11:27:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-29 11:27:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-29 11:27:09,089 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-29 11:27:09,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-29 11:27:09,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-29 11:27:09,090 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-29 11:27:09,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-29 11:27:09,091 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-29 11:27:09,091 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-29 11:27:09,091 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-29 11:27:09,091 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-29 11:27:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-29 11:27:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-29 11:27:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-29 11:27:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-29 11:27:09,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-29 11:27:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-29 11:27:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-29 11:27:09,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-29 11:27:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 11:27:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 11:27:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 11:27:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 11:27:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 11:27:09,094 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-29 11:27:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-29 11:27:09,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-29 11:27:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-29 11:27:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-29 11:27:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-29 11:27:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-29 11:27:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-29 11:27:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-29 11:27:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 11:27:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 11:27:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-29 11:27:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 11:27:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 11:27:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 11:27:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 11:27:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-29 11:27:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 11:27:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-29 11:27:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-29 11:27:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 11:27:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-29 11:27:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-29 11:27:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-29 11:27:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-29 11:27:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-29 11:27:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-29 11:27:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-29 11:27:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-29 11:27:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-29 11:27:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-29 11:27:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-29 11:27:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-29 11:27:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 11:27:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-29 11:27:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-29 11:27:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-29 11:27:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-29 11:27:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-29 11:27:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-29 11:27:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-29 11:27:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-29 11:27:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-29 11:27:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-29 11:27:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-29 11:27:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-29 11:27:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-29 11:27:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-29 11:27:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-29 11:27:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-29 11:27:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-29 11:27:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 11:27:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 11:27:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 11:27:10,572 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 11:27:10,573 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-29 11:27:10,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:27:10 BoogieIcfgContainer [2020-10-29 11:27:10,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 11:27:10,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 11:27:10,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 11:27:10,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 11:27:10,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 11:27:08" (1/3) ... [2020-10-29 11:27:10,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a39064f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:27:10, skipping insertion in model container [2020-10-29 11:27:10,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 11:27:08" (2/3) ... [2020-10-29 11:27:10,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a39064f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 11:27:10, skipping insertion in model container [2020-10-29 11:27:10,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 11:27:10" (3/3) ... [2020-10-29 11:27:10,584 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2020-10-29 11:27:10,599 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 11:27:10,606 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-29 11:27:10,621 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-29 11:27:10,651 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 11:27:10,652 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 11:27:10,652 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 11:27:10,652 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 11:27:10,652 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 11:27:10,652 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 11:27:10,652 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 11:27:10,653 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 11:27:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-10-29 11:27:10,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-29 11:27:10,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:27:10,689 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] [2020-10-29 11:27:10,689 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]=== [2020-10-29 11:27:10,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:27:10,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1823218156, now seen corresponding path program 1 times [2020-10-29 11:27:10,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:27:10,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622973931] [2020-10-29 11:27:10,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:27:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:11,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:11,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:11,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:13,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:14,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:16,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:16,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-29 11:27:16,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 11:27:16,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-29 11:27:16,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:16,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:16,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 11:27:16,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 11:27:16,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:27:16,662 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:27:16,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:16,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:16,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:16,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:16,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:16,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-29 11:27:16,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:16,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:16,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:16,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:16,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:16,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:16,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:16,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:16,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:16,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:16,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:16,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:16,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:16,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:16,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:16,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:16,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:16,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:16,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:16,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:16,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:16,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:16,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:16,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:16,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:16,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:16,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:16,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:16,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:16,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:16,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:16,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:16,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:16,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:16,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:16,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:16,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:16,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:16,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:16,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:16,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:16,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:16,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:16,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:16,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:16,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 11:27:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:16,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:16,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:16,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:16,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:16,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:16,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:16,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:16,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:16,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:27:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:16,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:16,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:16,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:16,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:16,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:16,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:16,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:16,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:16,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:27:16,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622973931] [2020-10-29 11:27:16,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:27:16,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 11:27:16,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957237849] [2020-10-29 11:27:16,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-29 11:27:16,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:16,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-29 11:27:16,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-29 11:27:16,950 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 4 states. [2020-10-29 11:27:17,562 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:21,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:27:21,075 INFO L93 Difference]: Finished difference Result 545 states and 717 transitions. [2020-10-29 11:27:21,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 11:27:21,080 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-29 11:27:21,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:27:21,107 INFO L225 Difference]: With dead ends: 545 [2020-10-29 11:27:21,107 INFO L226 Difference]: Without dead ends: 359 [2020-10-29 11:27:21,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-29 11:27:21,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-10-29 11:27:21,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 287. [2020-10-29 11:27:21,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-10-29 11:27:21,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 350 transitions. [2020-10-29 11:27:21,348 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 350 transitions. Word has length 47 [2020-10-29 11:27:21,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:27:21,348 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 350 transitions. [2020-10-29 11:27:21,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-29 11:27:21,349 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 350 transitions. [2020-10-29 11:27:21,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-29 11:27:21,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:27:21,354 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:27:21,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 11:27:21,355 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]=== [2020-10-29 11:27:21,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:27:21,356 INFO L82 PathProgramCache]: Analyzing trace with hash -2115182944, now seen corresponding path program 1 times [2020-10-29 11:27:21,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:27:21,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271982585] [2020-10-29 11:27:21,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:27:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:21,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:22,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:22,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:23,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-29 11:27:26,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:27:26,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4824 [2020-10-29 11:27:26,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-29 11:27:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-29 11:27:26,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:26,724 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:27:26,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:26,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:26,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:26,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 11:27:26,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:26,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:26,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:27:26,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:26,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:26,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:26,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:26,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:26,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:26,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:26,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:26,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:26,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:26,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:26,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:26,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:26,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:26,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:26,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:26,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:26,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:26,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:26,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:26,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:26,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:26,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:26,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:26,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:26,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:27:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:26,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:27:26,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:26,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:26,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:27:26,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 11:27:26,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 11:27:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:26,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:26,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:26,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:26,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:27:26,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:26,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:26,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 11:27:26,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-29 11:27:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:26,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:26,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:26,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:26,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:26,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:26,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:26,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:26,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:26,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:27:26,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271982585] [2020-10-29 11:27:26,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:27:26,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 11:27:26,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131574563] [2020-10-29 11:27:26,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 11:27:26,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:26,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 11:27:26,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-29 11:27:26,994 INFO L87 Difference]: Start difference. First operand 287 states and 350 transitions. Second operand 8 states. [2020-10-29 11:27:27,689 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:28,908 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:30,005 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:30,424 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:30,902 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:27:31,673 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:34,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:27:34,113 INFO L93 Difference]: Finished difference Result 976 states and 1298 transitions. [2020-10-29 11:27:34,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 11:27:34,114 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-29 11:27:34,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:27:34,124 INFO L225 Difference]: With dead ends: 976 [2020-10-29 11:27:34,124 INFO L226 Difference]: Without dead ends: 669 [2020-10-29 11:27:34,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:27:34,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-10-29 11:27:34,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 516. [2020-10-29 11:27:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-10-29 11:27:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 633 transitions. [2020-10-29 11:27:34,331 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 633 transitions. Word has length 58 [2020-10-29 11:27:34,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:27:34,331 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 633 transitions. [2020-10-29 11:27:34,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 11:27:34,332 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 633 transitions. [2020-10-29 11:27:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-29 11:27:34,342 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:27:34,342 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:27:34,342 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 11:27:34,343 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]=== [2020-10-29 11:27:34,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:27:34,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1535768868, now seen corresponding path program 1 times [2020-10-29 11:27:34,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:27:34,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610338315] [2020-10-29 11:27:34,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:27:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:34,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:34,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:34,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:36,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:36,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 11:27:36,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:27:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1927 [2020-10-29 11:27:36,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:36,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:36,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 11:27:36,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:36,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-29 11:27:36,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:36,733 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:27:36,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:36,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:36,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:36,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:36,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 11:27:36,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:36,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:36,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:36,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:36,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:36,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:36,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:36,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:36,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:36,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:36,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:36,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:36,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:36,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:36,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:36,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:36,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:36,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:27:36,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:36,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:36,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:36,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:36,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:36,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:36,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:36,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:36,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:36,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:27:36,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:36,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:36,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:36,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:36,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:36,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:36,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:36,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:36,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:36,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:27:36,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:36,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:36,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:36,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:36,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:36,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:27:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:36,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:36,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:36,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:36,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:36,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:27:36,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:36,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:36,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:36,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:36,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 11:27:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:36,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:36,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:36,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:36,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:27:36,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:27:36,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:27:36,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:36,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:27:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:27:36,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 11:27:36,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:37,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-29 11:27:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:37,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:37,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:37,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:37,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:37,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:37,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:37,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:37,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:37,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:37,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 11:27:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:37,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:37,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:37,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:37,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:37,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:27:37,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:37,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:37,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:27:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:37,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:37,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 11:27:37,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610338315] [2020-10-29 11:27:37,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 11:27:37,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-29 11:27:37,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687125824] [2020-10-29 11:27:37,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 11:27:37,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:37,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 11:27:37,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-29 11:27:37,084 INFO L87 Difference]: Start difference. First operand 516 states and 633 transitions. Second operand 10 states. [2020-10-29 11:27:37,825 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:39,236 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:39,694 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:40,115 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-29 11:27:41,296 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:41,770 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:27:44,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:27:44,709 INFO L93 Difference]: Finished difference Result 1646 states and 2303 transitions. [2020-10-29 11:27:44,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-29 11:27:44,720 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 62 [2020-10-29 11:27:44,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:27:44,730 INFO L225 Difference]: With dead ends: 1646 [2020-10-29 11:27:44,730 INFO L226 Difference]: Without dead ends: 1154 [2020-10-29 11:27:44,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2020-10-29 11:27:44,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-29 11:27:44,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 860. [2020-10-29 11:27:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-10-29 11:27:44,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1077 transitions. [2020-10-29 11:27:44,968 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1077 transitions. Word has length 62 [2020-10-29 11:27:44,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:27:44,968 INFO L481 AbstractCegarLoop]: Abstraction has 860 states and 1077 transitions. [2020-10-29 11:27:44,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 11:27:44,969 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1077 transitions. [2020-10-29 11:27:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-10-29 11:27:44,972 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:27:44,973 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:27:44,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 11:27:44,973 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]=== [2020-10-29 11:27:44,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:27:44,974 INFO L82 PathProgramCache]: Analyzing trace with hash -341568243, now seen corresponding path program 1 times [2020-10-29 11:27:44,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:27:44,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304839676] [2020-10-29 11:27:44,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:27:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:45,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:45,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:49,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-29 11:27:49,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:27:49,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4136 [2020-10-29 11:27:49,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:49,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:27:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-29 11:27:49,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-29 11:27:49,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:49,502 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:27:49,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:27:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:49,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:49,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:49,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-29 11:27:49,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:49,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:49,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:49,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:27:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:49,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:49,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:49,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:27:49,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:49,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:49,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:27:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:49,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:49,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:49,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:49,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:27:49,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:49,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:49,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:49,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:49,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:49,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:49,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:49,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:49,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:49,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:49,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:49,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:49,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:49,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:49,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:27:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:49,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:49,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:27:49,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:49,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:27:49,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:49,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:49,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:49,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:49,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-29 11:27:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:49,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:49,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:49,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:49,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:49,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:49,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:49,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:49,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:49,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:27:49,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:49,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 11:27:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:49,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:49,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 11:27:49,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:27:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-29 11:27:49,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:49,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:49,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:27:49,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-29 11:27:49,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-29 11:27:49,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:49,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:27:49,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:49,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:49,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:27:49,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:27:49,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-10-29 11:27:49,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:49,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:27:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:49,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-29 11:27:49,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:27:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:49,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:49,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:50,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:50,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:27:50,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:27:50,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-29 11:27:50,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:50,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:27:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:50,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-29 11:27:50,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:50,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:27:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:50,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:50,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:50,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:27:50,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:50,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:50,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:50,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:50,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:50,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:27:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:50,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:50,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:50,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:27:50,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:50,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:50,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:50,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:50,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:50,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:50,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:50,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:50,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:27:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:50,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:50,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:50,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:27:50,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:50,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 11:27:50,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:50,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:27:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 11:27:50,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:50,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:27:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:50,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:50,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:50,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:27:50,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:50,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:27:50,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:50,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:27:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:27:50,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:50,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:27:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:50,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:50,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:50,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:50,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:50,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:27:50,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:50,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:27:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:50,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:27:50,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:50,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:27:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:50,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:50,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:50,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:50,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:50,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:27:50,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:50,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:27:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:27:50,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:27:50,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:50,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-29 11:27:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:50,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:50,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:50,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:50,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:50,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:50,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:50,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:50,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:50,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-29 11:27:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:27:50,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:27:50,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:27:50,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:27:50,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:27:50,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:27:50,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:27:50,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:27:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:27:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:27:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:27:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:27:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 11:27:50,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304839676] [2020-10-29 11:27:50,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:27:50,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:27:50,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182404060] [2020-10-29 11:27:50,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:27:50,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:27:50,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:27:50,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:27:50,390 INFO L87 Difference]: Start difference. First operand 860 states and 1077 transitions. Second operand 12 states. [2020-10-29 11:27:51,198 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:52,235 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:27:52,957 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:53,458 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:54,943 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:55,412 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:55,833 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:56,244 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:56,620 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:57,025 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:57,465 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:27:57,899 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:28:00,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:28:00,662 INFO L93 Difference]: Finished difference Result 1889 states and 2493 transitions. [2020-10-29 11:28:00,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-29 11:28:00,665 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 105 [2020-10-29 11:28:00,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:28:00,677 INFO L225 Difference]: With dead ends: 1889 [2020-10-29 11:28:00,677 INFO L226 Difference]: Without dead ends: 1009 [2020-10-29 11:28:00,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2020-10-29 11:28:00,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-10-29 11:28:00,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 812. [2020-10-29 11:28:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-10-29 11:28:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 985 transitions. [2020-10-29 11:28:00,885 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 985 transitions. Word has length 105 [2020-10-29 11:28:00,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:28:00,886 INFO L481 AbstractCegarLoop]: Abstraction has 812 states and 985 transitions. [2020-10-29 11:28:00,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:28:00,886 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 985 transitions. [2020-10-29 11:28:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-29 11:28:00,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:00,891 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:28:00,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 11:28:00,892 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]=== [2020-10-29 11:28:00,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:00,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1508414696, now seen corresponding path program 1 times [2020-10-29 11:28:00,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:00,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674672335] [2020-10-29 11:28:00,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:00,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:00,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:01,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:01,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:01,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-10-29 11:28:01,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:28:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 947 [2020-10-29 11:28:01,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:01,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-29 11:28:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-29 11:28:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,315 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:28:02,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:02,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 11:28:02,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:02,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:02,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:02,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:02,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:02,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:02,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:02,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:02,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:28:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:28:02,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:02,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 11:28:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 11:28:02,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:28:02,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-29 11:28:02,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-29 11:28:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:28:02,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 11:28:02,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 11:28:02,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:28:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:28:02,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:28:02,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 11:28:02,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:02,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-29 11:28:02,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:28:02,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:28:02,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 11:28:02,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:02,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 11:28:02,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 11:28:02,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:28:02,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:28:02,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 11:28:02,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:28:02,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:02,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:28:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:28:02,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:02,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:28:02,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:02,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:02,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:02,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:02,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:02,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:02,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 11:28:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:28:02,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:02,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 11:28:02,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:02,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:02,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-29 11:28:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:02,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:02,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:02,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 11:28:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:02,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:02,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:02,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:02,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:02,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 11:28:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:02,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:02,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:02,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-29 11:28:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:02,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:02,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:02,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:02,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:02,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:02,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:02,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:02,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:02,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:02,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:02,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:02,894 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 11:28:02,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674672335] [2020-10-29 11:28:02,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:28:02,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-29 11:28:02,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635036516] [2020-10-29 11:28:02,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-29 11:28:02,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:02,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-29 11:28:02,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-29 11:28:02,897 INFO L87 Difference]: Start difference. First operand 812 states and 985 transitions. Second operand 13 states. [2020-10-29 11:28:03,660 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:05,200 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:28:05,656 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-29 11:28:06,164 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:28:06,632 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:28:11,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:28:11,083 INFO L93 Difference]: Finished difference Result 2376 states and 3438 transitions. [2020-10-29 11:28:11,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 11:28:11,084 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2020-10-29 11:28:11,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:28:11,097 INFO L225 Difference]: With dead ends: 2376 [2020-10-29 11:28:11,097 INFO L226 Difference]: Without dead ends: 1588 [2020-10-29 11:28:11,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=276, Invalid=780, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 11:28:11,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2020-10-29 11:28:11,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 902. [2020-10-29 11:28:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2020-10-29 11:28:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1085 transitions. [2020-10-29 11:28:11,357 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1085 transitions. Word has length 138 [2020-10-29 11:28:11,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:28:11,358 INFO L481 AbstractCegarLoop]: Abstraction has 902 states and 1085 transitions. [2020-10-29 11:28:11,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-29 11:28:11,358 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1085 transitions. [2020-10-29 11:28:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-29 11:28:11,363 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:11,364 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:28:11,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 11:28:11,364 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]=== [2020-10-29 11:28:11,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:11,365 INFO L82 PathProgramCache]: Analyzing trace with hash -17443781, now seen corresponding path program 1 times [2020-10-29 11:28:11,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:11,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028140455] [2020-10-29 11:28:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:11,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:11,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:11,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:12,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-29 11:28:16,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 11:28:16,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-29 11:28:16,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 11:28:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:16,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-29 11:28:16,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,805 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:28:16,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:16,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-29 11:28:16,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:28:16,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:16,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:16,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:16,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:16,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:16,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:16,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:16,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:16,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:16,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:16,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:16,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:16,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:16,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:16,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:16,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:16,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:16,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:16,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 11:28:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:16,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:16,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 11:28:17,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:28:17,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-29 11:28:17,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:17,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:28:17,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 11:28:17,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 11:28:17,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:28:17,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-29 11:28:17,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:17,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 11:28:17,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:28:17,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:28:17,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-29 11:28:17,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-29 11:28:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:28:17,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 11:28:17,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-29 11:28:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:28:17,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 11:28:17,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 11:28:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:17,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:28:17,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:17,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:28:17,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-29 11:28:17,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:28:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:28:17,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:17,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-29 11:28:17,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:17,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:17,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:17,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:17,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:17,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:17,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 11:28:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:28:17,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:17,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:28:17,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:17,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:17,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-29 11:28:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:17,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:17,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:17,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-29 11:28:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:17,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:17,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:17,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:28:17,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:28:17,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-29 11:28:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 11:28:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 11:28:17,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-29 11:28:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:17,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:17,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:17,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:17,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 11:28:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:28:17,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:17,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:28:17,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:28:17,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:17,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:17,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:28:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:28:17,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:17,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:17,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:17,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:17,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-29 11:28:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:17,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:17,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:17,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-29 11:28:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:17,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:17,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:17,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:17,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:17,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:17,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:17,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:17,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:17,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:17,499 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-29 11:28:17,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028140455] [2020-10-29 11:28:17,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:28:17,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 11:28:17,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830336158] [2020-10-29 11:28:17,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 11:28:17,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:17,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 11:28:17,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-29 11:28:17,503 INFO L87 Difference]: Start difference. First operand 902 states and 1085 transitions. Second operand 12 states. [2020-10-29 11:28:18,410 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:28:19,979 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:28:20,485 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:28:20,914 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:28:21,325 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:21,712 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:22,189 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:22,632 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:24,865 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:28:25,323 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:28:25,745 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:28:27,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:28:27,713 INFO L93 Difference]: Finished difference Result 2923 states and 3857 transitions. [2020-10-29 11:28:27,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-29 11:28:27,714 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 175 [2020-10-29 11:28:27,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:28:27,730 INFO L225 Difference]: With dead ends: 2923 [2020-10-29 11:28:27,730 INFO L226 Difference]: Without dead ends: 2025 [2020-10-29 11:28:27,736 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=240, Invalid=690, Unknown=0, NotChecked=0, Total=930 [2020-10-29 11:28:27,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2020-10-29 11:28:28,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1734. [2020-10-29 11:28:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1734 states. [2020-10-29 11:28:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1734 states and 2054 transitions. [2020-10-29 11:28:28,155 INFO L78 Accepts]: Start accepts. Automaton has 1734 states and 2054 transitions. Word has length 175 [2020-10-29 11:28:28,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:28:28,156 INFO L481 AbstractCegarLoop]: Abstraction has 1734 states and 2054 transitions. [2020-10-29 11:28:28,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 11:28:28,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2054 transitions. [2020-10-29 11:28:28,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-29 11:28:28,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:28,165 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:28:28,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 11:28:28,166 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]=== [2020-10-29 11:28:28,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:28,166 INFO L82 PathProgramCache]: Analyzing trace with hash 711417758, now seen corresponding path program 1 times [2020-10-29 11:28:28,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:28,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555236388] [2020-10-29 11:28:28,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:28,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:28,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:28,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:33,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:33,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-29 11:28:33,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:28:33,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 11:28:33,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:33,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-29 11:28:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:33,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 202 [2020-10-29 11:28:33,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:33,639 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:28:33,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:33,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:33,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:33,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:33,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-29 11:28:33,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:33,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 11:28:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:33,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:33,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:33,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:33,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:33,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:33,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:33,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:33,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:33,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:33,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:33,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:33,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:33,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:33,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:33,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:33,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:33,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:33,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:33,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:33,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:33,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:33,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:33,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:33,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:33,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:33,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:33,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:33,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:33,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:33,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:33,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:33,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:33,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:33,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:33,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:33,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:33,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:33,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:33,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:33,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:33,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:28:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:33,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:33,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:33,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:33,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:33,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:28:33,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:33,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:28:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:28:33,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:33,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 11:28:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:33,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 11:28:34,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-29 11:28:34,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:34,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:28:34,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-29 11:28:34,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 11:28:34,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 11:28:34,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:34,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 11:28:34,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:28:34,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:28:34,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 11:28:34,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:28:34,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:34,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:28:34,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:34,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:28:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:28:34,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:34,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:34,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:34,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:34,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:34,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:34,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:34,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 11:28:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:28:34,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:28:34,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 11:28:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:34,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:34,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 11:28:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:34,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:34,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:34,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 11:28:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:34,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:28:34,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 11:28:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 11:28:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 11:28:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 11:28:34,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 11:28:34,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-29 11:28:34,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 11:28:34,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:34,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:34,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 11:28:34,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:34,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:34,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 11:28:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:28:34,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 11:28:34,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 11:28:34,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:28:34,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 11:28:34,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 11:28:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:34,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 11:28:34,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:28:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:28:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:28:34,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:34,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:28:34,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:34,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:34,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:34,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-29 11:28:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:34,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:34,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:34,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-29 11:28:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:34,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:34,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:34,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:34,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:34,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:34,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-10-29 11:28:34,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555236388] [2020-10-29 11:28:34,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:28:34,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 11:28:34,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549514275] [2020-10-29 11:28:34,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 11:28:34,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:34,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 11:28:34,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=249, Unknown=0, NotChecked=0, Total=306 [2020-10-29 11:28:34,758 INFO L87 Difference]: Start difference. First operand 1734 states and 2054 transitions. Second operand 18 states. [2020-10-29 11:28:35,647 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:28:36,668 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:28:40,640 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-29 11:28:41,382 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-29 11:28:42,100 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-29 11:28:43,622 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 204 [2020-10-29 11:28:45,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:28:45,709 INFO L93 Difference]: Finished difference Result 4675 states and 6082 transitions. [2020-10-29 11:28:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-29 11:28:45,713 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 179 [2020-10-29 11:28:45,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:28:45,733 INFO L225 Difference]: With dead ends: 4675 [2020-10-29 11:28:45,733 INFO L226 Difference]: Without dead ends: 3309 [2020-10-29 11:28:45,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=369, Invalid=1437, Unknown=0, NotChecked=0, Total=1806 [2020-10-29 11:28:45,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3309 states. [2020-10-29 11:28:46,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3309 to 2892. [2020-10-29 11:28:46,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2892 states. [2020-10-29 11:28:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 2892 states and 3296 transitions. [2020-10-29 11:28:46,560 INFO L78 Accepts]: Start accepts. Automaton has 2892 states and 3296 transitions. Word has length 179 [2020-10-29 11:28:46,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:28:46,562 INFO L481 AbstractCegarLoop]: Abstraction has 2892 states and 3296 transitions. [2020-10-29 11:28:46,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 11:28:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2892 states and 3296 transitions. [2020-10-29 11:28:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-29 11:28:46,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 11:28:46,569 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 11:28:46,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 11:28:46,569 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]=== [2020-10-29 11:28:46,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 11:28:46,570 INFO L82 PathProgramCache]: Analyzing trace with hash -132587744, now seen corresponding path program 1 times [2020-10-29 11:28:46,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 11:28:46,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1574349204] [2020-10-29 11:28:46,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 11:28:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:46,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:46,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:48,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:49,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:49,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-29 11:28:49,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 11:28:49,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3333 [2020-10-29 11:28:49,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:49,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 11:28:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-10-29 11:28:49,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 11:28:49,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,369 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:28:50,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 11:28:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 11:28:50,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 11:28:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:50,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:50,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 11:28:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:50,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:50,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:50,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 11:28:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:50,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:50,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 11:28:50,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:50,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 11:28:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-29 11:28:50,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:28:50,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 11:28:50,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 11:28:50,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-29 11:28:50,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 11:28:50,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-29 11:28:50,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 11:28:50,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-29 11:28:50,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:50,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 11:28:50,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 11:28:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-29 11:28:50,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:50,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:50,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:50,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-29 11:28:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:50,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 11:28:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 11:28:50,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:50,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:50,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 11:28:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:50,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-29 11:28:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:50,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 11:28:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 11:28:50,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:28:50,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-29 11:28:50,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 11:28:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 11:28:50,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 11:28:50,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 11:28:50,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 11:28:50,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 11:28:50,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:50,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 11:28:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-29 11:28:50,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-29 11:28:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 11:28:50,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 11:28:50,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 11:28:50,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 11:28:50,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-29 11:28:50,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 11:28:50,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 11:28:50,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 11:28:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:50,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:50,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-29 11:28:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-29 11:28:50,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:50,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 11:28:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-29 11:28:50,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:50,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-29 11:28:50,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:50,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:50,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:50,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:50,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:50,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:50,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-29 11:28:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:50,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:50,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:50,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:51,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:51,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 11:28:51,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:51,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 11:28:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 11:28:51,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 11:28:51,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:51,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-29 11:28:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 11:28:51,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 11:28:51,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 11:28:51,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 11:28:51,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 11:28:51,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-29 11:28:51,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 11:28:51,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 11:28:51,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 11:28:51,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 11:28:51,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 11:28:51,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 11:28:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-29 11:28:51,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1574349204] [2020-10-29 11:28:51,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 11:28:51,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-29 11:28:51,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767959495] [2020-10-29 11:28:51,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-29 11:28:51,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 11:28:51,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-29 11:28:51,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-29 11:28:51,076 INFO L87 Difference]: Start difference. First operand 2892 states and 3296 transitions. Second operand 15 states. [2020-10-29 11:28:51,856 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:53,403 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:28:53,907 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:28:54,376 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:28:54,795 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:28:55,422 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-29 11:28:57,022 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-29 11:28:57,477 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:28:57,976 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-29 11:28:58,408 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:28:59,720 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:29:00,157 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-29 11:29:00,619 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:29:01,038 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-29 11:29:03,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 11:29:03,145 INFO L93 Difference]: Finished difference Result 6656 states and 7978 transitions. [2020-10-29 11:29:03,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-29 11:29:03,153 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 179 [2020-10-29 11:29:03,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 11:29:03,155 INFO L225 Difference]: With dead ends: 6656 [2020-10-29 11:29:03,155 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 11:29:03,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=338, Invalid=1222, Unknown=0, NotChecked=0, Total=1560 [2020-10-29 11:29:03,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 11:29:03,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 11:29:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 11:29:03,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 11:29:03,175 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-10-29 11:29:03,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 11:29:03,175 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 11:29:03,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-29 11:29:03,176 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 11:29:03,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 11:29:03,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 11:29:03,178 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 11:29:06,684 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2020-10-29 11:29:07,124 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 86 [2020-10-29 11:29:10,176 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 257 [2020-10-29 11:29:15,102 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 502 DAG size of output: 429 [2020-10-29 11:29:22,208 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 431 [2020-10-29 11:29:23,920 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 328 [2020-10-29 11:29:28,569 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 300 [2020-10-29 11:29:30,115 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 510 DAG size of output: 435 [2020-10-29 11:29:32,273 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 435 [2020-10-29 11:29:34,510 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 261 [2020-10-29 11:29:35,045 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 263 [2020-10-29 11:29:35,375 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 263 [2020-10-29 11:29:37,718 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 261 [2020-10-29 11:29:38,556 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2020-10-29 11:29:43,610 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 31 [2020-10-29 11:29:46,603 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 239 DAG size of output: 29 [2020-10-29 11:29:47,435 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 19 [2020-10-29 11:29:47,799 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-29 11:29:49,389 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-10-29 11:29:49,727 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-10-29 11:29:50,079 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-29 11:29:50,628 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 15 [2020-10-29 11:29:50,967 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 1 [2020-10-29 11:29:51,312 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2020-10-29 11:29:51,957 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 25 [2020-10-29 11:29:58,202 WARN L193 SmtUtils]: Spent 6.21 s on a formula simplification. DAG size of input: 227 DAG size of output: 31 [2020-10-29 11:29:58,750 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 15 [2020-10-29 11:30:00,275 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-10-29 11:30:04,180 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 201 DAG size of output: 37 [2020-10-29 11:30:05,713 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-10-29 11:30:07,439 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 237 DAG size of output: 38 [2020-10-29 11:30:07,777 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-29 11:30:08,113 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 25 [2020-10-29 11:30:09,774 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 214 DAG size of output: 35 [2020-10-29 11:30:11,940 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 353 DAG size of output: 40 [2020-10-29 11:30:18,016 WARN L193 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 261 DAG size of output: 51 [2020-10-29 11:30:20,190 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 269 DAG size of output: 33 [2020-10-29 11:30:21,680 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-10-29 11:30:21,962 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-29 11:30:22,264 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-10-29 11:30:26,252 WARN L193 SmtUtils]: Spent 3.97 s on a formula simplification. DAG size of input: 245 DAG size of output: 36 [2020-10-29 11:30:28,517 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 355 DAG size of output: 40 [2020-10-29 11:30:29,527 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-10-29 11:30:33,725 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 239 DAG size of output: 33 [2020-10-29 11:30:35,301 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 261 DAG size of output: 43 [2020-10-29 11:30:36,101 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 24 [2020-10-29 11:30:36,407 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-10-29 11:30:39,422 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 235 DAG size of output: 29