/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:04:08,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:04:08,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:04:08,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:04:08,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:04:08,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:04:08,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:04:08,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:04:08,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:04:08,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:04:08,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:04:08,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:04:08,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:04:08,891 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:04:08,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:04:08,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:04:08,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:04:08,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:04:08,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:04:08,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:04:08,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:04:08,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:04:08,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:04:08,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:04:08,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:04:08,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:04:08,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:04:08,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:04:08,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:04:08,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:04:08,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:04:08,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:04:08,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:04:08,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:04:08,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:04:08,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:04:08,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:04:08,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:04:08,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:04:08,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:04:08,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:04:08,953 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 [2020-09-25 11:04:08,991 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:04:08,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:04:08,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:04:08,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:04:08,994 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:04:08,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:04:08,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:04:08,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:04:08,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:04:08,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:04:08,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:04:08,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:04:08,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:04:08,995 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:04:08,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:04:08,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:04:08,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:04:08,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:04:08,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:04:08,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:04:08,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:04:08,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:04:08,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:04:08,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:04:08,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:04:08,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:04:08,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:04:08,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:04:08,999 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:04:08,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 11:04:09,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:04:09,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:04:09,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:04:09,570 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:04:09,570 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:04:09,572 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-25 11:04:09,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6346f2a1/d9242ba7b8784eb99854a3487b74e160/FLAG11bcb57cb [2020-09-25 11:04:10,336 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:04:10,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-25 11:04:10,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6346f2a1/d9242ba7b8784eb99854a3487b74e160/FLAG11bcb57cb [2020-09-25 11:04:10,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b6346f2a1/d9242ba7b8784eb99854a3487b74e160 [2020-09-25 11:04:10,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:04:10,652 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:04:10,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:04:10,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:04:10,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:04:10,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:04:10" (1/1) ... [2020-09-25 11:04:10,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19da8246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:10, skipping insertion in model container [2020-09-25 11:04:10,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:04:10" (1/1) ... [2020-09-25 11:04:10,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:04:10,738 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:04:11,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:04:11,248 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:04:11,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:04:11,409 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:04:11,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11 WrapperNode [2020-09-25 11:04:11,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:04:11,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:04:11,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:04:11,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:04:11,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11" (1/1) ... [2020-09-25 11:04:11,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11" (1/1) ... [2020-09-25 11:04:11,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11" (1/1) ... [2020-09-25 11:04:11,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11" (1/1) ... [2020-09-25 11:04:11,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11" (1/1) ... [2020-09-25 11:04:11,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11" (1/1) ... [2020-09-25 11:04:11,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11" (1/1) ... [2020-09-25 11:04:11,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:04:11,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:04:11,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:04:11,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:04:11,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11" (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 [2020-09-25 11:04:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:04:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:04:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:04:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:04:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:04:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:04:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:04:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:04:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 11:04:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:04:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:04:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:04:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:04:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:04:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:04:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 11:04:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:04:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:04:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:04:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:04:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:04:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:04:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:04:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:04:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:04:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:04:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:04:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:04:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:04:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:04:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:04:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:04:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:04:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:04:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 11:04:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:04:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:04:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:04:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:04:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:04:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:04:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:04:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:04:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:04:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:04:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:04:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:04:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:04:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:04:11,629 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:04:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:04:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:04:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 11:04:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:04:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:04:11,630 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:04:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:04:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:04:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:04:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 11:04:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 11:04:11,631 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:04:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:04:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:04:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 11:04:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 11:04:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:04:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:04:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 11:04:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:04:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:04:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:04:11,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 11:04:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:04:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:04:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:04:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:04:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:04:11,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:04:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:04:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:04:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:04:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:04:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:04:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:04:11,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:04:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:04:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:04:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:04:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:04:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:04:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:04:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:04:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:04:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:04:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:04:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:04:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:04:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:04:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:04:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:04:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:04:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:04:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:04:12,894 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:04:12,895 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:04:12,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:04:12 BoogieIcfgContainer [2020-09-25 11:04:12,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:04:12,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:04:12,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:04:12,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:04:12,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:04:10" (1/3) ... [2020-09-25 11:04:12,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a561465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:04:12, skipping insertion in model container [2020-09-25 11:04:12,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:11" (2/3) ... [2020-09-25 11:04:12,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a561465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:04:12, skipping insertion in model container [2020-09-25 11:04:12,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:04:12" (3/3) ... [2020-09-25 11:04:12,915 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-09-25 11:04:12,928 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:04:12,941 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:04:12,966 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:04:13,004 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:04:13,005 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:04:13,005 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:04:13,005 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:04:13,005 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:04:13,005 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:04:13,006 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:04:13,006 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:04:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-09-25 11:04:13,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 11:04:13,063 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:04:13,065 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:04:13,066 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:04:13,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:04:13,075 INFO L82 PathProgramCache]: Analyzing trace with hash -593535945, now seen corresponding path program 1 times [2020-09-25 11:04:13,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:04:13,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [569462638] [2020-09-25 11:04:13,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:04:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:13,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:13,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:15,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:15,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:18,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:18,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:18,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 11:04:18,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:04:18,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 11:04:18,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:18,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:18,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:04:18,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 11:04:18,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 11:04:18,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:04:18,966 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:04:18,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:04:19,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-09-25 11:04:19,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 11:04:19,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:19,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:04:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:19,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:19,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:19,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:19,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:04:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:19,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:19,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:19,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:19,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:04:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:19,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:04:19,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:04:19,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:19,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:04:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:19,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:19,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:19,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:19,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:04:19,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:04:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:19,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:19,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:19,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:04:19,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:19,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:04:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:04:19,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:04:19,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:04:19,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:19,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:19,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:19,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:19,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:19,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 11:04:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:19,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:19,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:19,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:04:19,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:19,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:04:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:19,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:19,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:19,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:19,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:19,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:04:19,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:19,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:04:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:04:19,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 11:04:19,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [569462638] [2020-09-25 11:04:19,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:04:19,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:04:19,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334008135] [2020-09-25 11:04:19,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:04:19,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:04:19,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:04:19,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:04:19,699 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 9 states. [2020-09-25 11:04:20,314 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:04:21,120 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:21,486 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:04:23,191 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:04:23,496 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:23,847 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:04:24,213 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:24,481 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:04:24,784 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:25,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:04:25,897 INFO L93 Difference]: Finished difference Result 719 states and 862 transitions. [2020-09-25 11:04:25,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:04:25,899 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 11:04:25,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:04:25,922 INFO L225 Difference]: With dead ends: 719 [2020-09-25 11:04:25,922 INFO L226 Difference]: Without dead ends: 480 [2020-09-25 11:04:25,929 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:04:25,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-25 11:04:26,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 432. [2020-09-25 11:04:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-09-25 11:04:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 482 transitions. [2020-09-25 11:04:26,095 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 482 transitions. Word has length 160 [2020-09-25 11:04:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:04:26,096 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 482 transitions. [2020-09-25 11:04:26,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:04:26,097 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 482 transitions. [2020-09-25 11:04:26,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-25 11:04:26,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:04:26,105 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:04:26,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:04:26,106 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:04:26,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:04:26,107 INFO L82 PathProgramCache]: Analyzing trace with hash -2071947246, now seen corresponding path program 1 times [2020-09-25 11:04:26,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:04:26,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031103094] [2020-09-25 11:04:26,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:04:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:26,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:26,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:28,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:28,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-25 11:04:28,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:04:28,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2285 [2020-09-25 11:04:28,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:28,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:04:28,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 11:04:28,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:04:28,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:28,841 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:04:28,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:28,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:28,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:28,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:04:28,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:28,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 11:04:28,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:28,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:28,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:28,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:28,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:04:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:29,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:29,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,024 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:04:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:29,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:29,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:04:29,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:04:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:29,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:04:29,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:04:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:29,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:29,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:04:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:29,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:29,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 11:04:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:04:29,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:29,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:29,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:29,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:29,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:29,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:04:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:04:29,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 11:04:29,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:04:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 11:04:29,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:04:29,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 11:04:29,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 11:04:29,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:04:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 11:04:29,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:04:29,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:29,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 11:04:29,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-09-25 11:04:29,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:04:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:04:29,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:04:29,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:04:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:04:29,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 11:04:29,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:04:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:04:29,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:04:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:04:29,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:04:29,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:04:29,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:04:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:04:29,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:04:29,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 11:04:29,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:04:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:04:29,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:29,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:04:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:29,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:29,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 11:04:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:29,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:29,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:29,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:29,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 11:04:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:29,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:29,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:04:29,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:29,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-25 11:04:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:29,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:29,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:29,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:29,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:29,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:29,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:29,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:04:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:29,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:04:29,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031103094] [2020-09-25 11:04:29,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:04:29,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:04:29,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14396457] [2020-09-25 11:04:29,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:04:29,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:04:29,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:04:29,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:04:29,801 INFO L87 Difference]: Start difference. First operand 432 states and 482 transitions. Second operand 10 states. [2020-09-25 11:04:31,491 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:04:31,793 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:04:32,101 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:04:32,422 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:04:32,784 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:04:33,117 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:04:34,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:04:34,523 INFO L93 Difference]: Finished difference Result 844 states and 1021 transitions. [2020-09-25 11:04:34,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 11:04:34,524 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 226 [2020-09-25 11:04:34,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:04:34,536 INFO L225 Difference]: With dead ends: 844 [2020-09-25 11:04:34,536 INFO L226 Difference]: Without dead ends: 527 [2020-09-25 11:04:34,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:04:34,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-09-25 11:04:34,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 446. [2020-09-25 11:04:34,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-09-25 11:04:34,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 502 transitions. [2020-09-25 11:04:34,623 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 502 transitions. Word has length 226 [2020-09-25 11:04:34,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:04:34,624 INFO L479 AbstractCegarLoop]: Abstraction has 446 states and 502 transitions. [2020-09-25 11:04:34,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:04:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 502 transitions. [2020-09-25 11:04:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-09-25 11:04:34,629 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:04:34,630 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:04:34,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:04:34,630 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:04:34,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:04:34,631 INFO L82 PathProgramCache]: Analyzing trace with hash 143285359, now seen corresponding path program 1 times [2020-09-25 11:04:34,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:04:34,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823225365] [2020-09-25 11:04:34,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:04:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:34,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:34,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:35,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:35,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:35,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:39,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:39,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 327 [2020-09-25 11:04:39,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:04:39,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 11:04:39,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:39,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:04:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:04:39,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-09-25 11:04:39,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,017 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:04:40,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:04:40,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-25 11:04:40,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:40,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:04:40,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:04:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:40,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:40,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:40,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:40,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:04:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:40,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:04:40,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:40,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:40,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:04:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:40,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:04:40,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:04:40,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:04:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:40,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:40,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:40,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:04:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:40,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:40,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:04:40,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:04:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-09-25 11:04:40,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 11:04:40,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 11:04:40,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 11:04:40,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:04:40,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:40,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:40,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:40,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:04:40,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:40,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:40,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 11:04:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 11:04:40,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 11:04:40,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:40,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 11:04:40,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:40,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:40,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:40,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 11:04:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:04:40,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:40,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:40,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:04:40,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:40,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:40,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:04:40,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:40,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 11:04:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:04:40,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:04:40,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 11:04:40,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:04:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 11:04:40,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:04:40,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 11:04:40,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 11:04:40,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:04:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 11:04:40,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:04:40,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 11:04:40,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 11:04:40,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:04:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:04:40,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:04:40,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:04:40,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 11:04:40,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:04:40,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:04:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:04:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:40,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:04:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:40,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:40,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:40,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:04:40,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:40,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:04:40,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:40,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:40,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:04:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:40,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:04:40,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:41,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:04:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:41,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:41,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:41,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:04:41,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:41,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 11:04:41,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:41,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 11:04:41,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:41,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:41,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:04:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:41,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:41,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:41,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:04:41,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:41,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:41,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:41,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:41,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:41,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:41,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:41,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:04:41,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:41,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:41,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:41,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:41,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:41,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:41,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:41,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:41,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:41,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:41,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:41,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:41,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 11:04:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:41,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:41,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:41,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:41,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:41,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:41,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:41,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:41,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:41,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:41,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:41,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:41,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 11:04:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:41,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:41,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:41,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:41,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:41,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:41,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:41,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:41,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:41,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:04:41,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:41,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:41,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-25 11:04:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:41,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:41,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:41,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:41,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:41,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:41,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:41,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:41,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:04:41,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:41,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:41,217 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-09-25 11:04:41,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823225365] [2020-09-25 11:04:41,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:04:41,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 11:04:41,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705481638] [2020-09-25 11:04:41,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 11:04:41,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:04:41,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 11:04:41,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-25 11:04:41,223 INFO L87 Difference]: Start difference. First operand 446 states and 502 transitions. Second operand 13 states. [2020-09-25 11:04:41,703 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:04:43,060 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:43,408 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:04:43,730 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:44,092 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:04:44,431 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:04:46,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:04:46,136 INFO L93 Difference]: Finished difference Result 877 states and 1071 transitions. [2020-09-25 11:04:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 11:04:46,137 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 262 [2020-09-25 11:04:46,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:04:46,144 INFO L225 Difference]: With dead ends: 877 [2020-09-25 11:04:46,145 INFO L226 Difference]: Without dead ends: 546 [2020-09-25 11:04:46,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2020-09-25 11:04:46,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2020-09-25 11:04:46,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 452. [2020-09-25 11:04:46,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2020-09-25 11:04:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 506 transitions. [2020-09-25 11:04:46,202 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 506 transitions. Word has length 262 [2020-09-25 11:04:46,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:04:46,203 INFO L479 AbstractCegarLoop]: Abstraction has 452 states and 506 transitions. [2020-09-25 11:04:46,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 11:04:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 506 transitions. [2020-09-25 11:04:46,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-25 11:04:46,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:04:46,208 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:04:46,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:04:46,208 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:04:46,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:04:46,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1511087183, now seen corresponding path program 1 times [2020-09-25 11:04:46,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:04:46,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1658238410] [2020-09-25 11:04:46,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:04:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:46,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:47,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:47,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-25 11:04:47,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:47,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1403 [2020-09-25 11:04:47,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:47,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 11:04:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:04:47,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 11:04:47,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,019 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:04:48,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:04:48,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-25 11:04:48,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:04:48,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:48,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 11:04:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:48,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:48,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:48,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:48,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 11:04:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:48,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:48,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 11:04:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:48,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:04:48,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:04:48,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 11:04:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:04:48,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:48,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:04:48,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 11:04:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:48,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:48,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:04:48,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 11:04:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:48,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:04:48,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:04:48,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 11:04:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 11:04:48,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:04:48,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 11:04:48,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:04:48,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:04:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:48,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 11:04:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 11:04:48,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-25 11:04:48,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-25 11:04:48,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 11:04:48,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 11:04:48,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 11:04:48,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 11:04:48,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:48,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 11:04:48,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 11:04:48,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:04:48,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:04:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:04:48,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 11:04:48,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:04:48,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:48,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:04:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:04:48,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:04:48,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 11:04:48,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:48,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:04:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 11:04:48,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 11:04:48,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:04:48,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 11:04:48,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:04:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 11:04:48,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:48,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:48,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:48,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:48,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 11:04:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:48,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:48,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:48,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:48,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:48,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 11:04:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:04:48,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:04:48,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:04:48,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:48,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:48,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 11:04:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:48,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:48,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:48,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:04:48,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:48,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:04:48,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 11:04:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:48,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:48,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:04:48,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:04:48,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:04:48,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:04:48,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:04:48,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 11:04:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:04:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:04:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:04:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:04:49,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 11:04:49,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1658238410] [2020-09-25 11:04:49,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:04:49,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 11:04:49,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187599136] [2020-09-25 11:04:49,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:04:49,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:04:49,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:04:49,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:04:49,058 INFO L87 Difference]: Start difference. First operand 452 states and 506 transitions. Second operand 8 states. [2020-09-25 11:04:49,754 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:04:50,538 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:04:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:04:54,192 INFO L93 Difference]: Finished difference Result 1335 states and 1691 transitions. [2020-09-25 11:04:54,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 11:04:54,193 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-09-25 11:04:54,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:04:54,202 INFO L225 Difference]: With dead ends: 1335 [2020-09-25 11:04:54,202 INFO L226 Difference]: Without dead ends: 986 [2020-09-25 11:04:54,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-25 11:04:54,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2020-09-25 11:04:54,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 757. [2020-09-25 11:04:54,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 757 states. [2020-09-25 11:04:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 877 transitions. [2020-09-25 11:04:54,382 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 877 transitions. Word has length 239 [2020-09-25 11:04:54,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:04:54,384 INFO L479 AbstractCegarLoop]: Abstraction has 757 states and 877 transitions. [2020-09-25 11:04:54,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:04:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 877 transitions. [2020-09-25 11:04:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-25 11:04:54,390 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:04:54,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:04:54,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:04:54,391 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:04:54,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:04:54,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1367745327, now seen corresponding path program 1 times [2020-09-25 11:04:54,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:04:54,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378266602] [2020-09-25 11:04:54,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:04:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:04:54,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:04:54,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking...