/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:42:54,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:42:54,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:42:54,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:42:54,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:42:54,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:42:54,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:42:54,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:42:54,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:42:54,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:42:54,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:42:54,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:42:54,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:42:54,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:42:54,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:42:54,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:42:54,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:42:54,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:42:54,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:42:54,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:42:54,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:42:54,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:42:54,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:42:54,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:42:54,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:42:54,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:42:54,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:42:54,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:42:54,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:42:54,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:42:54,976 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:42:54,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:42:54,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:42:54,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:42:54,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:42:54,981 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:42:54,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:42:54,982 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:42:54,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:42:54,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:42:54,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:42:54,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:42:55,043 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:42:55,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:42:55,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:42:55,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:42:55,049 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:42:55,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:42:55,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:42:55,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:42:55,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:42:55,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:42:55,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:42:55,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:42:55,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:42:55,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:42:55,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:42:55,053 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:42:55,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:42:55,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:42:55,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:42:55,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:42:55,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:42:55,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:42:55,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:42:55,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:42:55,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:42:55,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:42:55,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:42:55,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:42:55,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:42:55,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:42:55,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:42:55,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:42:55,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:42:55,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:42:55,546 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:42:55,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2020-10-28 16:42:55,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b9a0f3bd3/8a71ffbfb67f4e849b96de2be098126b/FLAGa945110a5 [2020-10-28 16:42:56,401 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:42:56,402 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2020-10-28 16:42:56,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b9a0f3bd3/8a71ffbfb67f4e849b96de2be098126b/FLAGa945110a5 [2020-10-28 16:42:56,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b9a0f3bd3/8a71ffbfb67f4e849b96de2be098126b [2020-10-28 16:42:56,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:42:56,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:42:56,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:42:56,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:42:56,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:42:56,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:42:56" (1/1) ... [2020-10-28 16:42:56,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e83992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:56, skipping insertion in model container [2020-10-28 16:42:56,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:42:56" (1/1) ... [2020-10-28 16:42:56,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:42:56,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:42:57,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:42:57,088 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:42:57,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:42:57,229 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:42:57,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57 WrapperNode [2020-10-28 16:42:57,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:42:57,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:42:57,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:42:57,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:42:57,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57" (1/1) ... [2020-10-28 16:42:57,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57" (1/1) ... [2020-10-28 16:42:57,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57" (1/1) ... [2020-10-28 16:42:57,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57" (1/1) ... [2020-10-28 16:42:57,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57" (1/1) ... [2020-10-28 16:42:57,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57" (1/1) ... [2020-10-28 16:42:57,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57" (1/1) ... [2020-10-28 16:42:57,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:42:57,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:42:57,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:42:57,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:42:57,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:42:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:42:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:42:57,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:42:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:42:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:42:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:42:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:42:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:42:57,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:42:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:42:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 16:42:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:42:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:42:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:42:57,454 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:42:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:42:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:42:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 16:42:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:42:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 16:42:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:42:57,455 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:42:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:42:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:42:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:42:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 16:42:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:42:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:42:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:42:57,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:42:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:42:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:42:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:42:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:42:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:42:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:42:57,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:42:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:42:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:42:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:42:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:42:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:42:57,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:42:57,458 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:42:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:42:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:42:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:42:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:42:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:42:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:42:57,459 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:42:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:42:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:42:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:42:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:42:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 16:42:57,460 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:42:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:42:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:42:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:42:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:42:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:42:57,461 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:42:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:42:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:42:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:42:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:42:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:42:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:42:57,462 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 16:42:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 16:42:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:42:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-28 16:42:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:42:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:42:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:42:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:42:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:42:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:42:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:42:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:42:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:42:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:42:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:42:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:42:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:42:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:42:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:42:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:42:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:42:57,465 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:42:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:42:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:42:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:42:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:42:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:42:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:42:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:42:57,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:42:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:42:58,899 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:42:58,899 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:42:58,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:42:58 BoogieIcfgContainer [2020-10-28 16:42:58,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:42:58,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:42:58,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:42:58,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:42:58,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:42:56" (1/3) ... [2020-10-28 16:42:58,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48755dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:42:58, skipping insertion in model container [2020-10-28 16:42:58,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:42:57" (2/3) ... [2020-10-28 16:42:58,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48755dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:42:58, skipping insertion in model container [2020-10-28 16:42:58,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:42:58" (3/3) ... [2020-10-28 16:42:58,918 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2020-10-28 16:42:58,932 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:42:58,939 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:42:58,953 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:42:58,995 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:42:58,997 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:42:58,997 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:42:58,997 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:42:58,997 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:42:58,997 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:42:58,997 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:42:58,998 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:42:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states. [2020-10-28 16:42:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:42:59,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:59,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:42:59,037 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:42:59,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:59,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1317086875, now seen corresponding path program 1 times [2020-10-28 16:42:59,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:59,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733295397] [2020-10-28 16:42:59,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:59,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:00,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:01,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:02,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:04,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:04,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:43:04,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:43:04,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:43:04,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:04,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:04,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:04,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:43:04,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:04,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:43:04,800 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:43:04,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:04,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:04,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:04,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:04,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:04,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-28 16:43:04,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:04,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:04,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:04,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:04,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:04,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:04,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:04,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:04,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:04,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:43:04,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:04,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:04,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:04,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:04,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:04,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:04,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:04,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:04,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:04,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:04,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:04,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:04,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:04,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:04,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:04,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:04,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:05,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:05,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:05,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:05,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:05,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:05,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:05,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:05,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:05,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:05,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:05,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:05,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:05,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:05,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:05,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:05,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:05,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:05,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:05,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:05,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:05,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:05,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:05,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:05,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:43:05,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:43:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:05,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:05,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:05,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:05,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:05,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:05,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:05,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:05,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:43:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:05,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:05,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:05,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:05,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:05,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:05,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:05,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:05,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:05,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:05,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:05,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:05,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:43:05,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733295397] [2020-10-28 16:43:05,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:05,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:43:05,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088768485] [2020-10-28 16:43:05,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:43:05,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:05,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:43:05,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:43:05,105 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 3 states. [2020-10-28 16:43:06,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:06,772 INFO L93 Difference]: Finished difference Result 342 states and 443 transitions. [2020-10-28 16:43:06,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:43:06,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:43:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:06,789 INFO L225 Difference]: With dead ends: 342 [2020-10-28 16:43:06,789 INFO L226 Difference]: Without dead ends: 183 [2020-10-28 16:43:06,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:43:06,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-28 16:43:06,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 147. [2020-10-28 16:43:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-28 16:43:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 173 transitions. [2020-10-28 16:43:06,931 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 173 transitions. Word has length 47 [2020-10-28 16:43:06,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:06,932 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 173 transitions. [2020-10-28 16:43:06,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:43:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2020-10-28 16:43:06,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:43:06,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:06,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:43:06,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:43:06,936 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:43:06,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:06,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1203607409, now seen corresponding path program 1 times [2020-10-28 16:43:06,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:06,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138364557] [2020-10-28 16:43:06,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:07,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:07,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:07,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:09,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:12,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:12,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:43:12,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:43:12,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 16:43:12,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:12,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:12,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:12,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:43:12,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:43:12,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:12,418 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:43:12,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:12,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:12,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:12,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:12,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:12,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 16:43:12,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:12,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:12,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:12,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:12,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:12,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:12,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:12,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:12,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:12,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:12,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:12,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:12,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:12,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:12,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:12,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:12,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:12,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:12,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:12,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:12,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:12,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:12,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:12,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:12,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:12,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:12,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:12,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:12,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:12,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:12,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:12,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:12,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:12,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:12,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:12,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:12,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:12,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:12,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:12,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:12,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:12,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:12,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:12,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:12,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:12,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:12,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:43:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:12,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:12,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:12,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:12,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:12,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:43:12,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:12,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:12,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:43:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:12,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:12,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:12,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:12,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:12,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:12,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:12,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:12,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:43:12,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138364557] [2020-10-28 16:43:12,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:12,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:43:12,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788140077] [2020-10-28 16:43:12,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:43:12,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:12,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:43:12,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:43:12,578 INFO L87 Difference]: Start difference. First operand 147 states and 173 transitions. Second operand 4 states. [2020-10-28 16:43:13,163 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:14,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:14,336 INFO L93 Difference]: Finished difference Result 266 states and 322 transitions. [2020-10-28 16:43:14,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:43:14,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:43:14,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:14,345 INFO L225 Difference]: With dead ends: 266 [2020-10-28 16:43:14,345 INFO L226 Difference]: Without dead ends: 167 [2020-10-28 16:43:14,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:43:14,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-10-28 16:43:14,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 138. [2020-10-28 16:43:14,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-28 16:43:14,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2020-10-28 16:43:14,443 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 48 [2020-10-28 16:43:14,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:14,444 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2020-10-28 16:43:14,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:43:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2020-10-28 16:43:14,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:43:14,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:14,451 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] [2020-10-28 16:43:14,451 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:43:14,451 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:43:14,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:14,452 INFO L82 PathProgramCache]: Analyzing trace with hash -400928719, now seen corresponding path program 1 times [2020-10-28 16:43:14,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:14,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664380765] [2020-10-28 16:43:14,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:14,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:14,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:15,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:16,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:17,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:17,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 16:43:17,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:43:17,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2818 [2020-10-28 16:43:17,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:17,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:43:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:17,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 16:43:17,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:17,683 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:43:17,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:17,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:17,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:17,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:17,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:17,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-28 16:43:17,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:17,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:17,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:43:17,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:17,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:17,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:17,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:17,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:17,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:17,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:17,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:17,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:17,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:17,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:17,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:17,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:17,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:17,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:17,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:17,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:17,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:17,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:17,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:17,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:17,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:17,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:17,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:17,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:17,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:17,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:17,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:17,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:17,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:17,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:17,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:17,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:17,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:17,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:17,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:17,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:17,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:17,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:17,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:17,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:43:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:17,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:17,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:17,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:17,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:17,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:17,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:17,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:17,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:17,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:17,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:43:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:17,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:17,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:17,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:17,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:17,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:17,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:17,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:17,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:17,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:17,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:17,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:17,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:43:17,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664380765] [2020-10-28 16:43:17,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:17,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:43:17,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749342509] [2020-10-28 16:43:17,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:43:17,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:17,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:43:17,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:43:17,846 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 4 states. [2020-10-28 16:43:18,258 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:43:20,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:20,226 INFO L93 Difference]: Finished difference Result 409 states and 501 transitions. [2020-10-28 16:43:20,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:43:20,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:43:20,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:20,232 INFO L225 Difference]: With dead ends: 409 [2020-10-28 16:43:20,232 INFO L226 Difference]: Without dead ends: 295 [2020-10-28 16:43:20,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:43:20,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-28 16:43:20,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 245. [2020-10-28 16:43:20,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-28 16:43:20,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 292 transitions. [2020-10-28 16:43:20,336 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 292 transitions. Word has length 52 [2020-10-28 16:43:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:20,337 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 292 transitions. [2020-10-28 16:43:20,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:43:20,337 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 292 transitions. [2020-10-28 16:43:20,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:43:20,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:20,340 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] [2020-10-28 16:43:20,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:43:20,340 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:43:20,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:20,341 INFO L82 PathProgramCache]: Analyzing trace with hash -2023833701, now seen corresponding path program 1 times [2020-10-28 16:43:20,341 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:20,341 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127830074] [2020-10-28 16:43:20,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:20,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:20,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:20,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:22,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:24,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:24,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:43:24,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:43:24,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4126 [2020-10-28 16:43:24,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:24,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:43:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-28 16:43:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:43:24,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:24,928 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:43:24,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:24,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:25,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:25,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:25,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:25,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 16:43:25,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:25,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:25,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:25,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:25,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:25,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:25,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:25,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:25,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:25,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:25,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:25,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:25,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:25,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:25,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:25,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:25,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:25,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:25,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:25,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:25,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:25,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:25,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:25,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:25,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:25,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:25,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:25,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:25,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:25,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:25,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:25,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:25,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:25,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:25,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:25,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:25,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:25,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:25,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:25,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:25,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:25,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:43:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:25,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:25,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:25,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:43:25,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:25,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:43:25,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:25,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:43:25,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:25,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:43:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:25,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:25,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:25,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:25,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:25,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:43:25,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:25,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:25,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:25,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:25,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-28 16:43:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:25,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:25,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:25,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:25,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:25,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 16:43:25,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:25,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:25,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:43:25,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:25,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:25,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:43:25,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127830074] [2020-10-28 16:43:25,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:25,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:43:25,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543052177] [2020-10-28 16:43:25,172 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:43:25,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:25,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:43:25,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:43:25,174 INFO L87 Difference]: Start difference. First operand 245 states and 292 transitions. Second operand 8 states. [2020-10-28 16:43:25,677 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:26,644 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:43:27,049 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:43:27,388 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:43:28,189 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:43:28,526 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:29,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:29,487 INFO L93 Difference]: Finished difference Result 659 states and 851 transitions. [2020-10-28 16:43:29,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:43:29,488 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-10-28 16:43:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:29,499 INFO L225 Difference]: With dead ends: 659 [2020-10-28 16:43:29,500 INFO L226 Difference]: Without dead ends: 438 [2020-10-28 16:43:29,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:43:29,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-10-28 16:43:29,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 381. [2020-10-28 16:43:29,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-10-28 16:43:29,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 465 transitions. [2020-10-28 16:43:29,661 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 465 transitions. Word has length 58 [2020-10-28 16:43:29,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:29,662 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 465 transitions. [2020-10-28 16:43:29,662 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:43:29,662 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 465 transitions. [2020-10-28 16:43:29,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 16:43:29,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:29,669 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] [2020-10-28 16:43:29,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:43:29,669 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:43:29,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:29,670 INFO L82 PathProgramCache]: Analyzing trace with hash 257663709, now seen corresponding path program 1 times [2020-10-28 16:43:29,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:29,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022084765] [2020-10-28 16:43:29,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:29,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:29,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:29,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:34,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:34,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 16:43:34,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:43:34,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 16:43:34,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:34,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:43:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 16:43:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:43:34,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,018 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:43:35,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:35,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 16:43:35,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:35,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:35,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:35,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:35,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:35,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:35,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:35,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:35,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:43:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:43:35,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:43:35,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:43:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 16:43:35,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:43:35,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:43:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:43:35,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:43:35,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:43:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 16:43:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:43:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:43:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:43:35,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:43:35,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:43:35,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:43:35,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:43:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:43:35,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:35,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:43:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:43:35,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:43:35,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 16:43:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:43:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:43:35,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:35,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:43:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:35,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:35,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:35,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:35,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 16:43:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:35,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:35,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:35,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:43:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:35,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:35,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:35,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:35,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:35,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:35,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:35,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:35,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 16:43:35,299 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022084765] [2020-10-28 16:43:35,299 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:35,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:43:35,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374468335] [2020-10-28 16:43:35,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:43:35,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:35,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:43:35,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:43:35,301 INFO L87 Difference]: Start difference. First operand 381 states and 465 transitions. Second operand 8 states. [2020-10-28 16:43:36,546 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:36,883 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:43:37,238 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:37,616 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:43:38,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:38,634 INFO L93 Difference]: Finished difference Result 813 states and 1055 transitions. [2020-10-28 16:43:38,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 16:43:38,634 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-28 16:43:38,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:38,639 INFO L225 Difference]: With dead ends: 813 [2020-10-28 16:43:38,639 INFO L226 Difference]: Without dead ends: 456 [2020-10-28 16:43:38,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:43:38,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-10-28 16:43:38,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 394. [2020-10-28 16:43:38,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-10-28 16:43:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 479 transitions. [2020-10-28 16:43:38,788 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 479 transitions. Word has length 95 [2020-10-28 16:43:38,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:38,790 INFO L481 AbstractCegarLoop]: Abstraction has 394 states and 479 transitions. [2020-10-28 16:43:38,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:43:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 479 transitions. [2020-10-28 16:43:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 16:43:38,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:38,792 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] [2020-10-28 16:43:38,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:43:38,793 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:43:38,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:38,795 INFO L82 PathProgramCache]: Analyzing trace with hash -2109030885, now seen corresponding path program 1 times [2020-10-28 16:43:38,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:38,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167300804] [2020-10-28 16:43:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:38,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:38,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:39,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:43,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:43,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 16:43:43,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:43:43,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 16:43:43,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:43,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:43:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-28 16:43:43,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:43,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:44,079 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:43:44,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:44,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 16:43:44,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:44,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:44,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:44,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:44,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:44,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:44,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:44,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:44,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:44,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:44,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:44,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:44,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:44,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:44,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:44,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:44,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:43:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:43:44,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 16:43:44,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:43:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:43:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:44,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:44,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:43:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:43:44,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 16:43:44,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:43:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 16:43:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:44,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:43:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:43:44,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 16:43:44,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:43:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:43:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:44,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:43:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:43:44,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:43:44,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:43:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:44,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:44,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:44,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:43:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:43:44,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:43:44,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 16:43:44,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:44,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:43:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:43:44,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:43:44,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:44,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:44,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:43:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:44,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:44,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:44,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:44,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:44,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:44,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:44,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 16:43:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:44,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:44,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:44,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:44,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:43:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:44,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:44,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:44,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:44,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:44,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:44,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:44,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:44,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:44,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:44,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:44,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 16:43:44,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167300804] [2020-10-28 16:43:44,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:44,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:43:44,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108628603] [2020-10-28 16:43:44,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:43:44,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:44,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:43:44,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:43:44,455 INFO L87 Difference]: Start difference. First operand 394 states and 479 transitions. Second operand 7 states. [2020-10-28 16:43:45,587 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:45,882 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:46,189 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:47,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:47,274 INFO L93 Difference]: Finished difference Result 836 states and 1079 transitions. [2020-10-28 16:43:47,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:43:47,280 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 95 [2020-10-28 16:43:47,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:47,284 INFO L225 Difference]: With dead ends: 836 [2020-10-28 16:43:47,284 INFO L226 Difference]: Without dead ends: 466 [2020-10-28 16:43:47,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:43:47,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-28 16:43:47,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 402. [2020-10-28 16:43:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-10-28 16:43:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 487 transitions. [2020-10-28 16:43:47,389 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 487 transitions. Word has length 95 [2020-10-28 16:43:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:47,390 INFO L481 AbstractCegarLoop]: Abstraction has 402 states and 487 transitions. [2020-10-28 16:43:47,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:43:47,390 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 487 transitions. [2020-10-28 16:43:47,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-28 16:43:47,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:47,392 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] [2020-10-28 16:43:47,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:43:47,393 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:43:47,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:47,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1945396282, now seen corresponding path program 1 times [2020-10-28 16:43:47,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:47,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1505815871] [2020-10-28 16:43:47,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:47,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:47,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:47,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 16:43:52,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:43:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 16:43:52,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 16:43:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-28 16:43:52,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:43:52,763 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:43:52,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:43:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:52,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:52,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:52,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 16:43:52,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:52,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:52,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:43:52,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:52,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:43:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:52,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:52,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:52,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:52,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:52,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:52,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:43:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:52,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:52,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:52,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:52,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:52,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:52,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:52,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:52,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:52,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:52,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:52,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:52,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:52,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:52,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:43:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:52,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:43:52,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:52,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:52,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:43:52,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:52,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:43:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:52,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:43:52,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:43:52,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 16:43:52,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:43:52,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:52,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 16:43:52,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:52,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:43:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:52,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:43:52,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:43:52,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:52,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:52,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:43:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:52,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:43:52,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:52,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:43:52,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:52,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:52,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:43:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:52,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:52,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:52,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:43:52,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:52,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:52,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:52,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:52,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:43:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:53,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:53,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:53,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:43:53,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:53,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:43:53,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:53,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:53,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:53,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:53,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:43:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:53,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:53,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:53,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:43:53,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:53,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:53,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:53,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:53,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:53,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:53,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:53,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:53,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:43:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:53,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:53,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:53,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:53,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:53,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:53,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:53,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:43:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:53,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:53,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:53,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:53,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:53,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:43:53,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:53,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:53,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:53,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-28 16:43:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:53,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:53,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:53,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:53,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:43:53,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:53,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:43:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:43:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:43:53,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:43:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:53,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:53,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:43:53,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:43:53,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:43:53,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:43:53,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:43:53,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:43:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:43:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:43:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:43:53,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:43:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 16:43:53,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1505815871] [2020-10-28 16:43:53,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:43:53,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:43:53,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403194276] [2020-10-28 16:43:53,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:43:53,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:43:53,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:43:53,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:43:53,078 INFO L87 Difference]: Start difference. First operand 402 states and 487 transitions. Second operand 8 states. [2020-10-28 16:43:53,670 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:43:54,544 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:43:54,877 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:43:55,199 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:43:55,506 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:43:55,936 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:43:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:43:57,883 INFO L93 Difference]: Finished difference Result 1241 states and 1602 transitions. [2020-10-28 16:43:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:43:57,884 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-28 16:43:57,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:43:57,891 INFO L225 Difference]: With dead ends: 1241 [2020-10-28 16:43:57,891 INFO L226 Difference]: Without dead ends: 863 [2020-10-28 16:43:57,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:43:57,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2020-10-28 16:43:58,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 752. [2020-10-28 16:43:58,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 752 states. [2020-10-28 16:43:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 917 transitions. [2020-10-28 16:43:58,071 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 917 transitions. Word has length 95 [2020-10-28 16:43:58,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:43:58,071 INFO L481 AbstractCegarLoop]: Abstraction has 752 states and 917 transitions. [2020-10-28 16:43:58,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:43:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 917 transitions. [2020-10-28 16:43:58,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-28 16:43:58,074 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:43:58,074 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] [2020-10-28 16:43:58,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 16:43:58,075 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:43:58,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:43:58,075 INFO L82 PathProgramCache]: Analyzing trace with hash -716071618, now seen corresponding path program 1 times [2020-10-28 16:43:58,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:43:58,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298702851] [2020-10-28 16:43:58,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:43:58,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:43:58,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:43:58,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:02,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:02,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-28 16:44:02,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:44:02,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4890 [2020-10-28 16:44:02,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:02,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 16:44:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:02,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 16:44:02,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,307 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:44:03,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:44:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:03,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 16:44:03,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:44:03,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:44:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:03,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:03,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:44:03,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:44:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:03,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:03,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:44:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:03,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:03,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:44:03,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:44:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:03,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:03,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:44:03,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 16:44:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:03,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:03,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:44:03,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:44:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:44:03,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 16:44:03,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:44:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 16:44:03,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:44:03,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:44:03,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:44:03,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:44:03,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:44:03,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:44:03,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:44:03,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:03,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:44:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:44:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:44:03,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:44:03,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 16:44:03,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:44:03,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:03,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:03,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:03,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:03,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:03,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:03,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:03,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:03,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:03,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:03,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 16:44:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:03,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:03,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:03,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:03,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:03,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-28 16:44:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:03,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:03,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:03,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:03,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:03,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:03,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:03,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:03,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:03,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:03,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-28 16:44:03,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298702851] [2020-10-28 16:44:03,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:44:03,568 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:44:03,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854246226] [2020-10-28 16:44:03,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:44:03,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:44:03,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:44:03,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:44:03,573 INFO L87 Difference]: Start difference. First operand 752 states and 917 transitions. Second operand 7 states. [2020-10-28 16:44:04,010 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:44:04,584 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:44:07,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:44:07,525 INFO L93 Difference]: Finished difference Result 2385 states and 3209 transitions. [2020-10-28 16:44:07,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:44:07,525 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 99 [2020-10-28 16:44:07,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:44:07,538 INFO L225 Difference]: With dead ends: 2385 [2020-10-28 16:44:07,538 INFO L226 Difference]: Without dead ends: 1657 [2020-10-28 16:44:07,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:44:07,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1657 states. [2020-10-28 16:44:07,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1657 to 1426. [2020-10-28 16:44:07,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1426 states. [2020-10-28 16:44:07,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 1759 transitions. [2020-10-28 16:44:07,854 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 1759 transitions. Word has length 99 [2020-10-28 16:44:07,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:44:07,854 INFO L481 AbstractCegarLoop]: Abstraction has 1426 states and 1759 transitions. [2020-10-28 16:44:07,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:44:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1759 transitions. [2020-10-28 16:44:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-28 16:44:07,857 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:44:07,857 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] [2020-10-28 16:44:07,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 16:44:07,858 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:44:07,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:44:07,859 INFO L82 PathProgramCache]: Analyzing trace with hash 725876964, now seen corresponding path program 1 times [2020-10-28 16:44:07,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:44:07,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157137666] [2020-10-28 16:44:07,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:44:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:07,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:08,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:08,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:08,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-28 16:44:08,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:44:08,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 823 [2020-10-28 16:44:08,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:08,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:44:08,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-28 16:44:08,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 16:44:08,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:08,999 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:44:09,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:44:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:09,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 16:44:09,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:44:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:09,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:09,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:44:09,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:09,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:09,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:09,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:09,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:44:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:09,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:09,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:44:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:09,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:09,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 16:44:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:09,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:09,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:09,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:44:09,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:44:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:44:09,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:44:09,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:44:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 16:44:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 16:44:09,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:44:09,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 16:44:09,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:44:09,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 16:44:09,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:44:09,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:09,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:44:09,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:44:09,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:09,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:44:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:44:09,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 16:44:09,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:44:09,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 16:44:09,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:44:09,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:44:09,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:44:09,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:44:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:44:09,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:09,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:09,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:44:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:44:09,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:09,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:09,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:09,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:09,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:44:09,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 16:44:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:09,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:09,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 16:44:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:09,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:09,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:09,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:09,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:09,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:09,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:09,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:09,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 16:44:09,407 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157137666] [2020-10-28 16:44:09,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:44:09,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 16:44:09,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844309751] [2020-10-28 16:44:09,408 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 16:44:09,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:44:09,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 16:44:09,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:44:09,409 INFO L87 Difference]: Start difference. First operand 1426 states and 1759 transitions. Second operand 13 states. [2020-10-28 16:44:10,043 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:44:10,910 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:44:11,584 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:12,019 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:13,418 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:13,752 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:14,084 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:14,387 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:14,712 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:15,029 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:15,373 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:15,750 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:44:17,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:44:17,805 INFO L93 Difference]: Finished difference Result 2992 states and 3847 transitions. [2020-10-28 16:44:17,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-28 16:44:17,805 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 103 [2020-10-28 16:44:17,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:44:17,817 INFO L225 Difference]: With dead ends: 2992 [2020-10-28 16:44:17,817 INFO L226 Difference]: Without dead ends: 1590 [2020-10-28 16:44:17,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=287, Invalid=1119, Unknown=0, NotChecked=0, Total=1406 [2020-10-28 16:44:17,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2020-10-28 16:44:18,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 1376. [2020-10-28 16:44:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2020-10-28 16:44:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1671 transitions. [2020-10-28 16:44:18,140 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1671 transitions. Word has length 103 [2020-10-28 16:44:18,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:44:18,140 INFO L481 AbstractCegarLoop]: Abstraction has 1376 states and 1671 transitions. [2020-10-28 16:44:18,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 16:44:18,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1671 transitions. [2020-10-28 16:44:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-28 16:44:18,145 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:44:18,145 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-28 16:44:18,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 16:44:18,146 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:44:18,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:44:18,146 INFO L82 PathProgramCache]: Analyzing trace with hash -302095102, now seen corresponding path program 1 times [2020-10-28 16:44:18,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:44:18,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074369005] [2020-10-28 16:44:18,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:44:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-28 16:44:18,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:44:18,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-28 16:44:18,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-10-28 16:44:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-28 16:44:18,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:18,763 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:44:18,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:44:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:18,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 16:44:18,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:18,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:44:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:18,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:18,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:18,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:44:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:18,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:18,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:18,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:18,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:18,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:18,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:18,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:18,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:44:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:18,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:18,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:18,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:18,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:44:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:18,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:18,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:18,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:44:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:44:18,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:18,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:18,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:44:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 16:44:18,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:44:18,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:44:18,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:18,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:44:18,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 16:44:18,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:18,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-28 16:44:18,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:18,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:44:18,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:44:18,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:18,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:18,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:18,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:18,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:18,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:18,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:18,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:44:18,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:18,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:44:19,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:44:19,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:44:19,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:19,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:19,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:19,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:44:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:44:19,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:19,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:19,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:44:19,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:19,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:19,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:19,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:19,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:19,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:19,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:19,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:19,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:19,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:19,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:19,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:19,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 16:44:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 16:44:19,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:44:19,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 16:44:19,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:19,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:19,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:19,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:19,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:19,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:19,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 16:44:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:19,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:19,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:44:19,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:19,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 16:44:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:19,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:19,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:19,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:19,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:44:19,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:19,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 16:44:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:19,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:19,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:19,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:19,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:19,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:44:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:19,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:19,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:19,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:19,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:19,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:19,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:19,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:19,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:19,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:19,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:19,137 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 16:44:19,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074369005] [2020-10-28 16:44:19,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:44:19,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-28 16:44:19,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020484346] [2020-10-28 16:44:19,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 16:44:19,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:44:19,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 16:44:19,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-28 16:44:19,139 INFO L87 Difference]: Start difference. First operand 1376 states and 1671 transitions. Second operand 9 states. [2020-10-28 16:44:19,631 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:44:22,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:44:22,081 INFO L93 Difference]: Finished difference Result 2606 states and 3376 transitions. [2020-10-28 16:44:22,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 16:44:22,082 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2020-10-28 16:44:22,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:44:22,096 INFO L225 Difference]: With dead ends: 2606 [2020-10-28 16:44:22,096 INFO L226 Difference]: Without dead ends: 1901 [2020-10-28 16:44:22,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=153, Invalid=399, Unknown=0, NotChecked=0, Total=552 [2020-10-28 16:44:22,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1901 states. [2020-10-28 16:44:22,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1901 to 1586. [2020-10-28 16:44:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1586 states. [2020-10-28 16:44:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1918 transitions. [2020-10-28 16:44:22,463 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1918 transitions. Word has length 136 [2020-10-28 16:44:22,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:44:22,464 INFO L481 AbstractCegarLoop]: Abstraction has 1586 states and 1918 transitions. [2020-10-28 16:44:22,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 16:44:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1918 transitions. [2020-10-28 16:44:22,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 16:44:22,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:44:22,470 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-28 16:44:22,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 16:44:22,471 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:44:22,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:44:22,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1656754881, now seen corresponding path program 1 times [2020-10-28 16:44:22,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:44:22,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694327445] [2020-10-28 16:44:22,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:44:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:22,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:22,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:24,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:24,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 16:44:24,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:44:24,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2486 [2020-10-28 16:44:24,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 16:44:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-28 16:44:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 16:44:25,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,288 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:44:25,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:44:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 16:44:25,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:44:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:25,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:25,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:44:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:25,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:25,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:25,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:44:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:25,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:25,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:44:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:25,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:44:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 16:44:25,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 16:44:25,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:25,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:44:25,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:44:25,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:44:25,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 16:44:25,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:44:25,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:44:25,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:44:25,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:44:25,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:44:25,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:25,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:44:25,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:44:25,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:25,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:25,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:44:25,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:44:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:44:25,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:44:25,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 16:44:25,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:44:25,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:25,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:25,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:25,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 16:44:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 16:44:25,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:44:25,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 16:44:25,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:25,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 16:44:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:25,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:44:25,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 16:44:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:44:25,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:44:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:44:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 16:44:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 16:44:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 16:44:25,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 16:44:25,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:44:25,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:44:25,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-28 16:44:25,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 16:44:25,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:44:25,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:44:25,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 16:44:25,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:44:25,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:44:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:44:25,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 16:44:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:44:25,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:25,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:44:25,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:44:25,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:25,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:25,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:25,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:44:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:25,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-28 16:44:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:25,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:25,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:25,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:25,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:25,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:25,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:25,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:25,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:25,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:25,828 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-28 16:44:25,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694327445] [2020-10-28 16:44:25,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:44:25,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-28 16:44:25,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297320943] [2020-10-28 16:44:25,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 16:44:25,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:44:25,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 16:44:25,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-28 16:44:25,831 INFO L87 Difference]: Start difference. First operand 1586 states and 1918 transitions. Second operand 14 states. [2020-10-28 16:44:26,367 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:44:27,068 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:44:29,638 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2020-10-28 16:44:30,295 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2020-10-28 16:44:30,882 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-28 16:44:31,986 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-28 16:44:32,350 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-28 16:44:32,694 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 16:44:32,980 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:44:34,980 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 16:44:35,361 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-28 16:44:36,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:44:36,190 INFO L93 Difference]: Finished difference Result 4975 states and 6946 transitions. [2020-10-28 16:44:36,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-28 16:44:36,191 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 156 [2020-10-28 16:44:36,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:44:36,218 INFO L225 Difference]: With dead ends: 4975 [2020-10-28 16:44:36,219 INFO L226 Difference]: Without dead ends: 3741 [2020-10-28 16:44:36,227 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 66 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=501, Invalid=1851, Unknown=0, NotChecked=0, Total=2352 [2020-10-28 16:44:36,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3741 states. [2020-10-28 16:44:36,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3741 to 2834. [2020-10-28 16:44:36,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2834 states. [2020-10-28 16:44:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 2834 states and 3477 transitions. [2020-10-28 16:44:36,884 INFO L78 Accepts]: Start accepts. Automaton has 2834 states and 3477 transitions. Word has length 156 [2020-10-28 16:44:36,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:44:36,885 INFO L481 AbstractCegarLoop]: Abstraction has 2834 states and 3477 transitions. [2020-10-28 16:44:36,885 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 16:44:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 3477 transitions. [2020-10-28 16:44:36,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-28 16:44:36,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:44:36,891 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-10-28 16:44:36,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 16:44:36,892 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:44:36,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:44:36,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1584368323, now seen corresponding path program 1 times [2020-10-28 16:44:36,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:44:36,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133578031] [2020-10-28 16:44:36,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:44:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:36,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-28 16:44:37,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-28 16:44:37,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:44:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-28 16:44:37,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:44:37,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:37,611 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:44:37,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:44:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 16:44:37,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:44:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:37,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:37,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:44:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:37,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:37,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:37,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:44:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:37,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:37,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 16:44:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:44:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 16:44:37,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 16:44:37,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-28 16:44:37,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:44:37,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 16:44:37,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:44:37,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:44:37,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:37,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:44:37,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:44:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 16:44:37,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:44:37,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:44:37,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:44:37,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:44:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:44:37,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-28 16:44:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 16:44:37,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:37,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 16:44:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 16:44:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:44:37,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:44:37,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 16:44:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-28 16:44:37,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 16:44:37,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:44:37,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 16:44:37,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:44:37,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 16:44:37,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:44:37,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:44:37,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 16:44:37,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:44:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 16:44:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:44:37,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:44:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:44:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:44:37,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:44:37,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:44:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 16:44:37,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:44:37,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:37,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:37,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-28 16:44:37,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:44:37,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:44:37,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:44:37,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:44:37,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:44:37,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:44:37,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:44:37,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:44:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:44:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:44:37,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:44:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:44:38,003 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-28 16:44:38,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133578031] [2020-10-28 16:44:38,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:44:38,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 16:44:38,004 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829048812] [2020-10-28 16:44:38,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:44:38,005 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:44:38,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:44:38,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:44:38,006 INFO L87 Difference]: Start difference. First operand 2834 states and 3477 transitions. Second operand 11 states. [2020-10-28 16:44:40,381 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:44:40,695 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:44:41,019 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:44:41,329 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:44:41,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:44:41,678 INFO L93 Difference]: Finished difference Result 4066 states and 5112 transitions. [2020-10-28 16:44:41,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:44:41,678 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 156 [2020-10-28 16:44:41,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:44:41,681 INFO L225 Difference]: With dead ends: 4066 [2020-10-28 16:44:41,681 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:44:41,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-10-28 16:44:41,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:44:41,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:44:41,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:44:41,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:44:41,695 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2020-10-28 16:44:41,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:44:41,696 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:44:41,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:44:41,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:44:41,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:44:41,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 16:44:41,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:44:47,323 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 381 DAG size of output: 320 [2020-10-28 16:44:49,986 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 455 DAG size of output: 396 [2020-10-28 16:44:52,136 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 455 DAG size of output: 396 [2020-10-28 16:44:54,715 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 483 DAG size of output: 394 [2020-10-28 16:44:57,393 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 212 [2020-10-28 16:44:57,561 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-28 16:44:57,735 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-10-28 16:44:57,975 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 212 [2020-10-28 16:44:59,602 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 487 DAG size of output: 394 [2020-10-28 16:45:00,487 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 18 [2020-10-28 16:45:00,758 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-10-28 16:45:01,019 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-28 16:45:01,276 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-10-28 16:45:02,647 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 191 DAG size of output: 21 [2020-10-28 16:45:02,994 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-28 16:45:03,248 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-28 16:45:03,497 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-28 16:45:04,304 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 32 [2020-10-28 16:45:05,088 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 35 [2020-10-28 16:45:05,320 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-10-28 16:45:07,386 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 208 DAG size of output: 36 [2020-10-28 16:45:07,640 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:45:09,393 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 261 DAG size of output: 39 [2020-10-28 16:45:10,541 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 211 DAG size of output: 30 [2020-10-28 16:45:10,781 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 1 [2020-10-28 16:45:11,710 WARN L193 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 27 [2020-10-28 16:45:12,398 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2020-10-28 16:45:12,614 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-28 16:45:15,727 WARN L193 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 325 DAG size of output: 38 [2020-10-28 16:45:16,723 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 26 [2020-10-28 16:45:17,053 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-10-28 16:45:20,100 WARN L193 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 325 DAG size of output: 38 [2020-10-28 16:45:20,322 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-28 16:45:21,068 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2020-10-28 16:45:21,220 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-10-28 16:45:21,476 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-28 16:45:21,757 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-28 16:45:22,582 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 30 [2020-10-28 16:45:23,248 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-10-28 16:45:25,059 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 190 DAG size of output: 32 [2020-10-28 16:45:25,418 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 22 [2020-10-28 16:45:25,651 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 1 [2020-10-28 16:45:25,906 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-28 16:45:26,757 WARN L193 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 33 [2020-10-28 16:45:29,788 WARN L193 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 324 DAG size of output: 38 [2020-10-28 16:45:30,269 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 18 [2020-10-28 16:45:30,587 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-10-28 16:45:31,111 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 26 [2020-10-28 16:45:31,367 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-28 16:45:32,063 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2020-10-28 16:45:32,769 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 22 [2020-10-28 16:45:33,000 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-10-28 16:45:34,844 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 229 DAG size of output: 43 [2020-10-28 16:45:35,086 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 26 [2020-10-28 16:45:35,686 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 18 [2020-10-28 16:45:35,897 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-10-28 16:45:36,128 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-10-28 16:45:37,252 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 219 DAG size of output: 35 [2020-10-28 16:45:40,192 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 324 DAG size of output: 39 [2020-10-28 16:45:41,370 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 179 DAG size of output: 25 [2020-10-28 16:45:41,375 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:45:41,375 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:45:41,375 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point L576(lines 576 580) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 580) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point L570-2(lines 570 591) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 545 600) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point L592(lines 569 593) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 545 600) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 545 600) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point L633-1(lines 633 637) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 601 660) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point L627-2(lines 627 652) no Hoare annotation was computed. [2020-10-28 16:45:41,376 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 601 660) no Hoare annotation was computed. [2020-10-28 16:45:41,377 INFO L274 CegarLoopResult]: For program point L653(lines 626 654) no Hoare annotation was computed. [2020-10-28 16:45:41,377 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 601 660) no Hoare annotation was computed. [2020-10-28 16:45:41,377 INFO L274 CegarLoopResult]: For program point L646(line 646) no Hoare annotation was computed. [2020-10-28 16:45:41,377 INFO L274 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-10-28 16:45:41,377 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2020-10-28 16:45:41,377 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2020-10-28 16:45:41,377 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2020-10-28 16:45:41,377 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2020-10-28 16:45:41,377 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2020-10-28 16:45:41,378 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 969 991) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:45:41,378 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 969 991) no Hoare annotation was computed. [2020-10-28 16:45:41,378 INFO L270 CegarLoopResult]: At program point L981(line 981) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:45:41,378 INFO L270 CegarLoopResult]: At program point L981-1(line 981) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:45:41,378 INFO L274 CegarLoopResult]: For program point L979(lines 979 986) no Hoare annotation was computed. [2020-10-28 16:45:41,378 INFO L274 CegarLoopResult]: For program point L979-1(lines 979 986) no Hoare annotation was computed. [2020-10-28 16:45:41,378 INFO L274 CegarLoopResult]: For program point L977(line 977) no Hoare annotation was computed. [2020-10-28 16:45:41,378 INFO L270 CegarLoopResult]: At program point L976(line 976) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:45:41,379 INFO L270 CegarLoopResult]: At program point L975(line 975) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:45:41,379 INFO L270 CegarLoopResult]: At program point L975-1(line 975) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:45:41,379 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 969 991) no Hoare annotation was computed. [2020-10-28 16:45:41,379 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 928 951) no Hoare annotation was computed. [2020-10-28 16:45:41,379 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 928 951) no Hoare annotation was computed. [2020-10-28 16:45:41,379 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 928 951) no Hoare annotation was computed. [2020-10-28 16:45:41,379 INFO L274 CegarLoopResult]: For program point L946(line 946) no Hoare annotation was computed. [2020-10-28 16:45:41,379 INFO L274 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-10-28 16:45:41,379 INFO L274 CegarLoopResult]: For program point L944(line 944) no Hoare annotation was computed. [2020-10-28 16:45:41,379 INFO L274 CegarLoopResult]: For program point L943(line 943) no Hoare annotation was computed. [2020-10-28 16:45:41,379 INFO L274 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L941(line 941) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L940(line 940) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L939(line 939) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L938(line 938) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L936(line 936) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L935(line 935) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L934(line 934) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point L481(lines 481 487) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 477 491) no Hoare annotation was computed. [2020-10-28 16:45:41,380 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 477 491) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse4 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse1 .cse2 .cse4))) [2020-10-28 16:45:41,380 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 477 491) no Hoare annotation was computed. [2020-10-28 16:45:41,381 INFO L270 CegarLoopResult]: At program point L483(line 483) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse2 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse5 .cse6 .cse7 .cse1) (or .cse5 .cse4 .cse6 .cse7))) [2020-10-28 16:45:41,381 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 394 402) no Hoare annotation was computed. [2020-10-28 16:45:41,381 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 394 402) the Hoare annotation is: true [2020-10-28 16:45:41,381 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 394 402) no Hoare annotation was computed. [2020-10-28 16:45:41,381 INFO L277 CegarLoopResult]: At program point L465(line 465) the Hoare annotation is: true [2020-10-28 16:45:41,381 INFO L274 CegarLoopResult]: For program point L467-2(lines 467 471) no Hoare annotation was computed. [2020-10-28 16:45:41,381 INFO L274 CegarLoopResult]: For program point L465-1(line 465) no Hoare annotation was computed. [2020-10-28 16:45:41,381 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 458 476) the Hoare annotation is: true [2020-10-28 16:45:41,381 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 458 476) no Hoare annotation was computed. [2020-10-28 16:45:41,381 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 458 476) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point L410(lines 410 418) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point L410-2(lines 410 418) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point L433-1(line 433) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 403 438) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 403 438) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point L422(lines 422 430) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point L422-2(lines 422 430) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 403 438) no Hoare annotation was computed. [2020-10-28 16:45:41,382 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 499 544) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 499 544) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 499 544) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point L832(lines 832 839) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point L826(lines 826 846) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 812 857) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point L826-1(lines 826 846) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 836 837) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 843 844) no Hoare annotation was computed. [2020-10-28 16:45:41,383 INFO L274 CegarLoopResult]: For program point L843(lines 843 844) no Hoare annotation was computed. [2020-10-28 16:45:41,384 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 812 857) no Hoare annotation was computed. [2020-10-28 16:45:41,384 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 812 857) no Hoare annotation was computed. [2020-10-28 16:45:41,384 INFO L274 CegarLoopResult]: For program point L836(lines 836 837) no Hoare annotation was computed. [2020-10-28 16:45:41,384 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 959 968) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:45:41,384 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 959 968) no Hoare annotation was computed. [2020-10-28 16:45:41,384 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 959 968) no Hoare annotation was computed. [2020-10-28 16:45:41,384 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 383 393) the Hoare annotation is: true [2020-10-28 16:45:41,384 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 383 393) no Hoare annotation was computed. [2020-10-28 16:45:41,384 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 383 393) no Hoare annotation was computed. [2020-10-28 16:45:41,384 INFO L277 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: true [2020-10-28 16:45:41,385 INFO L274 CegarLoopResult]: For program point L388-1(line 388) no Hoare annotation was computed. [2020-10-28 16:45:41,385 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 375 382) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-10-28 16:45:41,385 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 375 382) no Hoare annotation was computed. [2020-10-28 16:45:41,385 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 375 382) no Hoare annotation was computed. [2020-10-28 16:45:41,385 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 129 142) no Hoare annotation was computed. [2020-10-28 16:45:41,385 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-10-28 16:45:41,385 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 129 142) the Hoare annotation is: true [2020-10-28 16:45:41,385 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 129 142) no Hoare annotation was computed. [2020-10-28 16:45:41,385 INFO L270 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2020-10-28 16:45:41,385 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 324 348) no Hoare annotation was computed. [2020-10-28 16:45:41,386 INFO L274 CegarLoopResult]: For program point L343-1(lines 324 348) no Hoare annotation was computed. [2020-10-28 16:45:41,386 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 324 348) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-10-28 16:45:41,386 INFO L270 CegarLoopResult]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-10-28 16:45:41,386 INFO L270 CegarLoopResult]: At program point L334(line 334) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~3))) (.cse5 (not (<= 1 ~waterLevel~0))) (.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse2 .cse5 .cse6 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))))) [2020-10-28 16:45:41,386 INFO L274 CegarLoopResult]: For program point L332(lines 332 340) no Hoare annotation was computed. [2020-10-28 16:45:41,386 INFO L270 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse2 .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 ~waterLevel~0))) (or .cse1 .cse4 .cse3 .cse6))) [2020-10-28 16:45:41,386 INFO L274 CegarLoopResult]: For program point L330-1(line 330) no Hoare annotation was computed. [2020-10-28 16:45:41,386 INFO L274 CegarLoopResult]: For program point L328(lines 328 345) no Hoare annotation was computed. [2020-10-28 16:45:41,387 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 290 296) no Hoare annotation was computed. [2020-10-28 16:45:41,387 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 290 296) the Hoare annotation is: true [2020-10-28 16:45:41,387 INFO L270 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (let ((.cse2 (<= 0 ~pumpRunning~0)) (.cse3 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 (<= 1 ~waterLevel~0) (<= 1 ~methaneLevelCritical~0) .cse3) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse4))) [2020-10-28 16:45:41,387 INFO L270 CegarLoopResult]: At program point testENTRY(lines 193 258) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:45:41,387 INFO L274 CegarLoopResult]: For program point L223(lines 223 229) no Hoare annotation was computed. [2020-10-28 16:45:41,387 INFO L274 CegarLoopResult]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2020-10-28 16:45:41,387 INFO L270 CegarLoopResult]: At program point L248(lines 203 250) the Hoare annotation is: (let ((.cse2 (<= 0 ~pumpRunning~0)) (.cse3 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 (<= 1 ~waterLevel~0) (<= 1 ~methaneLevelCritical~0) .cse3) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse4))) [2020-10-28 16:45:41,388 INFO L270 CegarLoopResult]: At program point L215(line 215) the Hoare annotation is: (let ((.cse2 (<= 0 ~pumpRunning~0)) (.cse3 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 (<= 1 ~waterLevel~0) (<= 1 ~methaneLevelCritical~0) .cse3) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse4 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse4))) [2020-10-28 16:45:41,388 INFO L274 CegarLoopResult]: For program point testFINAL(lines 193 258) no Hoare annotation was computed. [2020-10-28 16:45:41,388 INFO L274 CegarLoopResult]: For program point L213(lines 213 219) no Hoare annotation was computed. [2020-10-28 16:45:41,388 INFO L274 CegarLoopResult]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2020-10-28 16:45:41,388 INFO L274 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-10-28 16:45:41,388 INFO L270 CegarLoopResult]: At program point L251(lines 202 252) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-28 16:45:41,388 INFO L270 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (let ((.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse4 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (<= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse5 .cse6))) [2020-10-28 16:45:41,388 INFO L274 CegarLoopResult]: For program point L239(lines 239 245) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L270 CegarLoopResult]: At program point L239-1(lines 233 246) the Hoare annotation is: (let ((.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 0 ~pumpRunning~0)) (.cse3 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 (<= 1 ~waterLevel~0) .cse4 .cse3) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6 .cse4) (and .cse0 .cse1 .cse6 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse6))) [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point L204(lines 203 250) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point L233(lines 233 246) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point testEXIT(lines 193 258) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 790 791) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point L797(lines 797 798) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 797 798) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 766 811) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point L790(lines 790 791) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 766 811) no Hoare annotation was computed. [2020-10-28 16:45:41,389 INFO L274 CegarLoopResult]: For program point L786(lines 786 793) no Hoare annotation was computed. [2020-10-28 16:45:41,390 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 766 811) no Hoare annotation was computed. [2020-10-28 16:45:41,390 INFO L274 CegarLoopResult]: For program point L780(lines 780 800) no Hoare annotation was computed. [2020-10-28 16:45:41,390 INFO L274 CegarLoopResult]: For program point L780-1(lines 780 800) no Hoare annotation was computed. [2020-10-28 16:45:41,390 INFO L270 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 349 356) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-28 16:45:41,390 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 349 356) no Hoare annotation was computed. [2020-10-28 16:45:41,390 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 349 356) no Hoare annotation was computed. [2020-10-28 16:45:41,390 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 143 151) no Hoare annotation was computed. [2020-10-28 16:45:41,390 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 143 151) the Hoare annotation is: true [2020-10-28 16:45:41,390 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 143 151) no Hoare annotation was computed. [2020-10-28 16:45:41,390 INFO L274 CegarLoopResult]: For program point L105(lines 105 113) no Hoare annotation was computed. [2020-10-28 16:45:41,390 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 97 119) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point L105-2(lines 105 113) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 97 119) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 97 119) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 663 765) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point L733(lines 711 734) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point L692(lines 692 708) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point L752(lines 752 759) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point L713(lines 712 732) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point L744(line 744) no Hoare annotation was computed. [2020-10-28 16:45:41,391 INFO L274 CegarLoopResult]: For program point L744-1(line 744) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 663 765) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point L709(lines 709 750) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 663 765) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point L687(lines 687 691) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point L751(lines 751 762) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point L714(lines 714 718) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point L712-2(lines 712 732) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2020-10-28 16:45:41,392 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2020-10-28 16:45:41,393 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2020-10-28 16:45:41,393 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:45:41,393 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:45:41,393 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:45:41,393 INFO L270 CegarLoopResult]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 activatePump_~tmp~4) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-10-28 16:45:41,393 INFO L274 CegarLoopResult]: For program point L369-1(lines 358 374) no Hoare annotation was computed. [2020-10-28 16:45:41,394 INFO L274 CegarLoopResult]: For program point L365(lines 365 371) no Hoare annotation was computed. [2020-10-28 16:45:41,394 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 358 374) no Hoare annotation was computed. [2020-10-28 16:45:41,394 INFO L270 CegarLoopResult]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3 .cse4))) [2020-10-28 16:45:41,394 INFO L274 CegarLoopResult]: For program point L363-1(line 363) no Hoare annotation was computed. [2020-10-28 16:45:41,394 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 358 374) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3 .cse4))) [2020-10-28 16:45:41,394 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 120 128) no Hoare annotation was computed. [2020-10-28 16:45:41,394 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 120 128) no Hoare annotation was computed. [2020-10-28 16:45:41,394 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 120 128) no Hoare annotation was computed. [2020-10-28 16:45:41,394 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 439 457) no Hoare annotation was computed. [2020-10-28 16:45:41,394 INFO L274 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-10-28 16:45:41,395 INFO L277 CegarLoopResult]: At program point L446(line 446) the Hoare annotation is: true [2020-10-28 16:45:41,395 INFO L274 CegarLoopResult]: For program point L448-2(lines 448 452) no Hoare annotation was computed. [2020-10-28 16:45:41,395 INFO L274 CegarLoopResult]: For program point L446-1(line 446) no Hoare annotation was computed. [2020-10-28 16:45:41,395 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 439 457) the Hoare annotation is: true [2020-10-28 16:45:41,395 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 439 457) no Hoare annotation was computed. [2020-10-28 16:45:41,395 INFO L274 CegarLoopResult]: For program point L80-1(lines 76 87) no Hoare annotation was computed. [2020-10-28 16:45:41,395 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 76 87) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (<= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse4 (not (<= ~pumpRunning~0 0)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 (not (<= 2 ~waterLevel~0))) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)))) [2020-10-28 16:45:41,395 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 76 87) no Hoare annotation was computed. [2020-10-28 16:45:41,395 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:45:41,396 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:45:41,396 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:45:41,396 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 88 96) the Hoare annotation is: true [2020-10-28 16:45:41,396 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 88 96) no Hoare annotation was computed. [2020-10-28 16:45:41,396 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 88 96) no Hoare annotation was computed. [2020-10-28 16:45:41,396 INFO L270 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= 0 ~systemActive~0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|))) (.cse7 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse9 (not .cse3) (<= ~pumpRunning~0 0))) (.cse0 (and .cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse2) (or .cse4 .cse5 .cse8 .cse6 .cse7) (or .cse0 .cse8 .cse1 .cse3)))) [2020-10-28 16:45:41,396 INFO L270 CegarLoopResult]: At program point L277(lines 277 283) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0) .cse10)) (.cse8 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse1) (or .cse4 .cse5 (not (<= 1 |old(~waterLevel~0)|)) .cse6 (and .cse7 (not .cse2) .cse8) .cse9) (or .cse4 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse6) (or .cse1 .cse9 .cse2 .cse3 (and .cse8 .cse10))))) [2020-10-28 16:45:41,397 INFO L270 CegarLoopResult]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1) (or .cse4 .cse6 .cse1 .cse2) (or .cse0 .cse5 .cse1 .cse3) (or .cse4 .cse7 .cse5 .cse6) (or .cse4 .cse7 .cse6 .cse2))) [2020-10-28 16:45:41,397 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 266 289) the Hoare annotation is: (let ((.cse1 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (<= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse5 .cse7) (or .cse0 .cse3 .cse6 .cse7))) [2020-10-28 16:45:41,397 INFO L274 CegarLoopResult]: For program point L270(lines 269 288) no Hoare annotation was computed. [2020-10-28 16:45:41,397 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 266 289) no Hoare annotation was computed. [2020-10-28 16:45:41,397 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 266 289) no Hoare annotation was computed. [2020-10-28 16:45:41,397 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2020-10-28 16:45:41,397 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2020-10-28 16:45:41,397 INFO L277 CegarLoopResult]: At program point L923(lines 898 927) the Hoare annotation is: true [2020-10-28 16:45:41,397 INFO L274 CegarLoopResult]: For program point L919(line 919) no Hoare annotation was computed. [2020-10-28 16:45:41,398 INFO L274 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2020-10-28 16:45:41,398 INFO L277 CegarLoopResult]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2020-10-28 16:45:41,398 INFO L274 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-10-28 16:45:41,398 INFO L277 CegarLoopResult]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2020-10-28 16:45:41,398 INFO L277 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: true [2020-10-28 16:45:41,398 INFO L274 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-10-28 16:45:41,398 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 52 63) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-10-28 16:45:41,398 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 52 63) no Hoare annotation was computed. [2020-10-28 16:45:41,398 INFO L274 CegarLoopResult]: For program point L56-1(lines 52 63) no Hoare annotation was computed. [2020-10-28 16:45:41,398 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2020-10-28 16:45:41,398 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2020-10-28 16:45:41,399 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:45:41,399 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-28 16:45:41,399 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:45:41,399 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:45:41,399 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 298 322) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-10-28 16:45:41,399 INFO L270 CegarLoopResult]: At program point L317(line 317) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-10-28 16:45:41,399 INFO L274 CegarLoopResult]: For program point L317-1(lines 298 322) no Hoare annotation was computed. [2020-10-28 16:45:41,399 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 298 322) no Hoare annotation was computed. [2020-10-28 16:45:41,400 INFO L270 CegarLoopResult]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (and (<= processEnvironment__wrappee__highWaterSensor_~tmp~2 0) (<= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3 .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (<= 1 ~waterLevel~0)) .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (<= 2 ~waterLevel~0))))) [2020-10-28 16:45:41,400 INFO L270 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-10-28 16:45:41,400 INFO L274 CegarLoopResult]: For program point L306(lines 306 314) no Hoare annotation was computed. [2020-10-28 16:45:41,400 INFO L270 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3 .cse4))) [2020-10-28 16:45:41,400 INFO L274 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-10-28 16:45:41,400 INFO L274 CegarLoopResult]: For program point L302(lines 302 319) no Hoare annotation was computed. [2020-10-28 16:45:41,400 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 64 75) no Hoare annotation was computed. [2020-10-28 16:45:41,400 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 64 75) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (<= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse4 (= 0 ~systemActive~0)) (or .cse0 .cse1 .cse2 .cse4 .cse3))) [2020-10-28 16:45:41,400 INFO L274 CegarLoopResult]: For program point L68-1(lines 64 75) no Hoare annotation was computed. [2020-10-28 16:45:41,400 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 181 188) no Hoare annotation was computed. [2020-10-28 16:45:41,401 INFO L274 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-10-28 16:45:41,401 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 181 188) the Hoare annotation is: true [2020-10-28 16:45:41,401 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 181 188) no Hoare annotation was computed. [2020-10-28 16:45:41,401 INFO L277 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: true [2020-10-28 16:45:41,401 INFO L274 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-10-28 16:45:41,401 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2020-10-28 16:45:41,401 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2020-10-28 16:45:41,401 INFO L270 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (not (<= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= ~pumpRunning~0 0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1) (or .cse2 .cse3 .cse4 .cse1) (or .cse2 .cse5 .cse3 .cse4) (or .cse5 .cse3 .cse0 .cse4) (or .cse3 .cse0 .cse4 .cse1))) [2020-10-28 16:45:41,401 INFO L274 CegarLoopResult]: For program point L167(lines 167 173) no Hoare annotation was computed. [2020-10-28 16:45:41,402 INFO L270 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (let ((.cse2 (not (<= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~pumpRunning~0 0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse3) (or .cse2 .cse0 .cse3 .cse1))) [2020-10-28 16:45:41,402 INFO L274 CegarLoopResult]: For program point L165-1(line 165) no Hoare annotation was computed. [2020-10-28 16:45:41,402 INFO L274 CegarLoopResult]: For program point L163(lines 163 176) no Hoare annotation was computed. [2020-10-28 16:45:41,402 INFO L274 CegarLoopResult]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2020-10-28 16:45:41,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:45:41 BoogieIcfgContainer [2020-10-28 16:45:41,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:45:41,422 INFO L168 Benchmark]: Toolchain (without parser) took 164775.39 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 125.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 840.4 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:41,422 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:45:41,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.30 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 102.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:41,423 INFO L168 Benchmark]: Boogie Preprocessor took 145.81 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 132.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:41,423 INFO L168 Benchmark]: RCFGBuilder took 1524.84 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 125.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:41,424 INFO L168 Benchmark]: TraceAbstraction took 162513.57 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 125.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 839.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:45:41,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 151.0 MB. Free memory is still 123.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 578.30 ms. Allocated memory is still 151.0 MB. Free memory was 124.6 MB in the beginning and 102.9 MB in the end (delta: 21.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.81 ms. Allocated memory is still 151.0 MB. Free memory was 102.9 MB in the beginning and 132.5 MB in the end (delta: -29.6 MB). Peak memory consumption was 8.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1524.84 ms. Allocated memory is still 151.0 MB. Free memory was 132.5 MB in the beginning and 125.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 88.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 162513.57 ms. Allocated memory was 151.0 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 125.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 839.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 797]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 790]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 836]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 843]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(pumpRunning) <= 0)) || !(\old(waterLevel) == 1)) || !(0 <= \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((((!(\old(systemActive) == 1) || ((((waterLevel == 1 && splverifierCounter <= 0) && methaneLevelCritical == 0) && 0 <= pumpRunning) && pumpRunning <= 0)) || !(\old(pumpRunning) <= 0)) || !(\old(waterLevel) == 1)) || ((((splverifierCounter <= 0 && 0 <= pumpRunning) && 1 <= waterLevel) && 1 <= methaneLevelCritical) && pumpRunning <= 0)) || !(0 <= \old(pumpRunning))) || ((((splverifierCounter <= 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 0 <= pumpRunning) && pumpRunning <= 0)) || !(\old(methaneLevelCritical) == 0)) || (((splverifierCounter <= 0 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 260 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 102.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 50.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 59.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1781 SDtfs, 4618 SDslu, 1642 SDs, 0 SdLazy, 9919 SolverSat, 3262 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 614 GetRequests, 420 SyntacticMatches, 8 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1250 ImplicationChecksByTransitivity, 20.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2834occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 2076 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4249 PreInvPairs, 4612 NumberOfFragments, 2602 HoareAnnotationTreeSize, 4249 FomulaSimplifications, 707519609 FormulaSimplificationTreeSizeReduction, 17.9s HoareSimplificationTime, 67 FomulaSimplificationsInter, 17614044 FormulaSimplificationTreeSizeReductionInter, 41.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 48.3s InterpolantComputationTime, 1140 NumberOfCodeBlocks, 1140 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1128 ConstructedInterpolants, 0 QuantifiedInterpolants, 425124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 99/108 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...