/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:29:44,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:29:44,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:29:44,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:29:44,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:29:44,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:29:44,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:29:44,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:29:44,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:29:44,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:29:44,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:29:44,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:29:44,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:29:44,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:29:44,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:29:44,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:29:44,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:29:44,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:29:44,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:29:44,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:29:44,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:29:44,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:29:44,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:29:44,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:29:44,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:29:44,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:29:44,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:29:44,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:29:44,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:29:44,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:29:44,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:29:44,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:29:44,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:29:44,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:29:44,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:29:44,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:29:44,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:29:44,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:29:44,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:29:44,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:29:44,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:29:44,962 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 06:29:44,987 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:29:44,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:29:44,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:29:44,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:29:44,989 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:29:44,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:29:44,989 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:29:44,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:29:44,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:29:44,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:29:44,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:29:44,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:29:44,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:29:44,991 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:29:44,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:29:44,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:29:44,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:29:44,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:29:44,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:29:44,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:29:44,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:29:44,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:29:44,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:29:44,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:29:44,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:29:44,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:29:44,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:29:44,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:29:44,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:29:44,994 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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;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=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-09-25 06:29:45,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:29:45,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:29:45,500 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:29:45,504 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:29:45,505 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:29:45,507 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2020-09-25 06:29:45,596 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cec485813/eafcf5e0de4f49c393c20d04b506480c/FLAG60d366f5f [2020-09-25 06:29:46,268 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:29:46,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product23.cil.c [2020-09-25 06:29:46,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cec485813/eafcf5e0de4f49c393c20d04b506480c/FLAG60d366f5f [2020-09-25 06:29:46,489 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cec485813/eafcf5e0de4f49c393c20d04b506480c [2020-09-25 06:29:46,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:29:46,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:29:46,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:29:46,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:29:46,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:29:46,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:29:46" (1/1) ... [2020-09-25 06:29:46,530 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af20ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:46, skipping insertion in model container [2020-09-25 06:29:46,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:29:46" (1/1) ... [2020-09-25 06:29:46,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:29:46,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:29:46,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:29:47,019 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:29:47,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:29:47,325 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:29:47,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47 WrapperNode [2020-09-25 06:29:47,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:29:47,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:29:47,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:29:47,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:29:47,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47" (1/1) ... [2020-09-25 06:29:47,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47" (1/1) ... [2020-09-25 06:29:47,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47" (1/1) ... [2020-09-25 06:29:47,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47" (1/1) ... [2020-09-25 06:29:47,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47" (1/1) ... [2020-09-25 06:29:47,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47" (1/1) ... [2020-09-25 06:29:47,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47" (1/1) ... [2020-09-25 06:29:47,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:29:47,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:29:47,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:29:47,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:29:47,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47" (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 06:29:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:29:47,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:29:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:29:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:29:47,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:29:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:29:47,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:29:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:29:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:29:47,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:29:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:29:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:29:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:29:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:29:47,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:29:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:29:47,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:29:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:29:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:29:47,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:29:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:29:47,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:29:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:29:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:29:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:29:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:29:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:29:47,603 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:29:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:29:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:29:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:29:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:29:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:29:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:29:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:29:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:29:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:29:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:29:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:29:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:29:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:29:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:29:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:29:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:29:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:29:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:29:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:29:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:29:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:29:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:29:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:29:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:29:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:29:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:29:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:29:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:29:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:29:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:29:47,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:29:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:29:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:29:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:29:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:29:47,611 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:29:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:29:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:29:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:29:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:29:47,612 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:29:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:29:47,613 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:29:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:29:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:29:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:29:47,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 06:29:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:29:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:29:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:29:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:29:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:29:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:29:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:29:47,615 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:29:47,616 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:29:47,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:29:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:29:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:29:48,838 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:29:48,839 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:29:48,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:29:48 BoogieIcfgContainer [2020-09-25 06:29:48,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:29:48,855 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:29:48,855 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:29:48,859 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:29:48,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:29:46" (1/3) ... [2020-09-25 06:29:48,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee17857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:29:48, skipping insertion in model container [2020-09-25 06:29:48,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:29:47" (2/3) ... [2020-09-25 06:29:48,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ee17857 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:29:48, skipping insertion in model container [2020-09-25 06:29:48,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:29:48" (3/3) ... [2020-09-25 06:29:48,865 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product23.cil.c [2020-09-25 06:29:48,879 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:29:48,894 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:29:48,920 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:29:48,966 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:29:48,966 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:29:48,966 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:29:48,966 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:29:48,966 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:29:48,967 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:29:48,968 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:29:48,969 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:29:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-09-25 06:29:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 06:29:49,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:29:49,046 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 06:29:49,047 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:29:49,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:29:49,057 INFO L82 PathProgramCache]: Analyzing trace with hash 2033328145, now seen corresponding path program 1 times [2020-09-25 06:29:49,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:29:49,074 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347568146] [2020-09-25 06:29:49,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:29:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:49,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:49,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:51,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:51,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:54,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:54,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:54,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 06:29:54,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:29:54,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 06:29:54,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:54,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 06:29:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:54,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 06:29:55,017 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:29:55,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:29:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:29:55,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-25 06:29:55,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:55,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:29:55,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:29:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:29:55,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:29:55,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:55,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:55,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:29:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:29:55,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:29:55,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:55,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:55,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:29:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:29:55,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:29:55,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:55,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:55,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:29:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:29:55,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:29:55,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:55,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:55,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:29:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:29:55,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:29:55,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:55,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:55,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:29:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:29:55,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:29:55,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:29:55,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:55,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:29:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:29:55,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:29:55,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:29:55,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:55,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 06:29:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:29:55,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:29:55,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:29:55,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:55,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:29:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:55,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:55,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:29:55,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:29:55,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:29:55,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:29:55,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:29:55,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:29:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:29:55,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:29:55,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:29:55,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:29:55,484 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 06:29:55,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347568146] [2020-09-25 06:29:55,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:29:55,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:29:55,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531500265] [2020-09-25 06:29:55,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:29:55,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:29:55,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:29:55,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:29:55,519 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 4 states. [2020-09-25 06:29:57,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:29:57,392 INFO L93 Difference]: Finished difference Result 498 states and 588 transitions. [2020-09-25 06:29:57,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 06:29:57,395 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 06:29:57,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:29:57,419 INFO L225 Difference]: With dead ends: 498 [2020-09-25 06:29:57,420 INFO L226 Difference]: Without dead ends: 315 [2020-09-25 06:29:57,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:29:57,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-25 06:29:57,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 268. [2020-09-25 06:29:57,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-25 06:29:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 293 transitions. [2020-09-25 06:29:57,581 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 293 transitions. Word has length 160 [2020-09-25 06:29:57,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:29:57,584 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 293 transitions. [2020-09-25 06:29:57,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:29:57,585 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 293 transitions. [2020-09-25 06:29:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:29:57,597 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:29:57,598 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] [2020-09-25 06:29:57,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:29:57,598 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:29:57,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:29:57,599 INFO L82 PathProgramCache]: Analyzing trace with hash 203301466, now seen corresponding path program 1 times [2020-09-25 06:29:57,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:29:57,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442638625] [2020-09-25 06:29:57,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:29:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:29:57,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:57,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:59,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:29:59,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:01,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:02,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:02,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 06:30:02,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 06:30:02,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 06:30:02,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:02,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 06:30:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:30:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:02,997 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:30:02,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:30:03,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-25 06:30:03,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:03,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:30:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:03,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:03,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:03,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:30:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:03,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:03,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:03,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:30:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:03,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:30:03,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:30:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:03,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:30:03,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:03,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:30:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:30:03,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:03,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:03,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:30:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:30:03,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:30:03,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 06:30:03,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:03,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:03,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:03,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 06:30:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:03,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:03,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:30:03,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 06:30:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:03,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:03,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:03,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:03,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:03,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:03,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:30:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:03,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:03,293 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 06:30:03,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442638625] [2020-09-25 06:30:03,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:30:03,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:30:03,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564409919] [2020-09-25 06:30:03,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:30:03,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:30:03,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:30:03,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:30:03,298 INFO L87 Difference]: Start difference. First operand 268 states and 293 transitions. Second operand 5 states. [2020-09-25 06:30:03,943 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:30:05,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:30:05,031 INFO L93 Difference]: Finished difference Result 421 states and 476 transitions. [2020-09-25 06:30:05,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:30:05,032 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 06:30:05,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:30:05,036 INFO L225 Difference]: With dead ends: 421 [2020-09-25 06:30:05,037 INFO L226 Difference]: Without dead ends: 304 [2020-09-25 06:30:05,038 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:30:05,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-25 06:30:05,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 258. [2020-09-25 06:30:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-09-25 06:30:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 280 transitions. [2020-09-25 06:30:05,102 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 280 transitions. Word has length 161 [2020-09-25 06:30:05,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:30:05,104 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 280 transitions. [2020-09-25 06:30:05,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:30:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 280 transitions. [2020-09-25 06:30:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 06:30:05,106 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:30:05,106 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] [2020-09-25 06:30:05,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:30:05,107 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:30:05,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:30:05,107 INFO L82 PathProgramCache]: Analyzing trace with hash -867350253, now seen corresponding path program 1 times [2020-09-25 06:30:05,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:30:05,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521370122] [2020-09-25 06:30:05,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:30:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:05,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:05,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:06,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:08,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-25 06:30:10,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:30:10,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 06:30:10,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:30:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 06:30:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 06:30:10,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,536 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:30:10,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:30:10,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-25 06:30:10,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:10,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:10,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 06:30:10,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:30:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:10,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:30:10,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:10,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:30:10,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:30:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:10,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:30:10,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:10,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:30:10,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:30:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:10,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:30:10,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:10,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:30:10,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:30:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:10,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:30:10,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:10,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:30:10,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:30:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:30:10,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:30:10,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:10,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:10,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:30:10,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:30:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:30:10,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:30:10,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:10,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:10,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:30:10,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:10,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:30:10,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:10,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:10,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 06:30:10,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:10,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:10,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:30:10,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:10,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 06:30:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:10,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:10,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:10,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:10,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:10,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:10,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:10,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:30:10,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:10,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:10,950 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 06:30:10,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521370122] [2020-09-25 06:30:10,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:30:10,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:30:10,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358060155] [2020-09-25 06:30:10,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:30:10,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:30:10,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:30:10,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:30:10,953 INFO L87 Difference]: Start difference. First operand 258 states and 280 transitions. Second operand 5 states. [2020-09-25 06:30:11,576 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:13,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:30:13,461 INFO L93 Difference]: Finished difference Result 598 states and 686 transitions. [2020-09-25 06:30:13,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:30:13,462 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-25 06:30:13,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:30:13,468 INFO L225 Difference]: With dead ends: 598 [2020-09-25 06:30:13,468 INFO L226 Difference]: Without dead ends: 455 [2020-09-25 06:30:13,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:30:13,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2020-09-25 06:30:13,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 395. [2020-09-25 06:30:13,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-09-25 06:30:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 440 transitions. [2020-09-25 06:30:13,530 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 440 transitions. Word has length 170 [2020-09-25 06:30:13,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:30:13,531 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 440 transitions. [2020-09-25 06:30:13,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:30:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 440 transitions. [2020-09-25 06:30:13,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 06:30:13,534 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:30:13,534 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] [2020-09-25 06:30:13,534 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:30:13,534 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:30:13,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:30:13,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1246593501, now seen corresponding path program 1 times [2020-09-25 06:30:13,535 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:30:13,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2082010653] [2020-09-25 06:30:13,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:30:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:13,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:13,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:16,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:18,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:18,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 06:30:18,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:30:18,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 06:30:18,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:18,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:30:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 06:30:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-25 06:30:18,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:30:19,044 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:30:19,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 06:30:19,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 141 [2020-09-25 06:30:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:19,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:19,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 06:30:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:19,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:19,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:19,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 06:30:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:19,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:30:19,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:19,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:19,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 06:30:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:19,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:30:19,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:19,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:19,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 06:30:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:30:19,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:30:19,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:19,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:19,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 06:30:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:30:19,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:30:19,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 06:30:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:30:19,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:30:19,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:30:19,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:30:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 06:30:19,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:30:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 06:30:19,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:30:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:19,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:30:19,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:30:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:30:19,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 06:30:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:19,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:30:19,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:30:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:30:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 06:30:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:30:19,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:30:19,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:30:19,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:30:19,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:30:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:30:19,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:30:19,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:30:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:30:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:30:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:30:19,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:30:19,509 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 06:30:19,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2082010653] [2020-09-25 06:30:19,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:30:19,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 06:30:19,511 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22065478] [2020-09-25 06:30:19,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 06:30:19,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:30:19,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 06:30:19,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 06:30:19,514 INFO L87 Difference]: Start difference. First operand 395 states and 440 transitions. Second operand 10 states. [2020-09-25 06:30:20,028 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:20,951 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:21,266 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 06:30:22,197 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:30:22,526 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 06:30:22,840 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 06:30:22,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:30:22,904 INFO L93 Difference]: Finished difference Result 606 states and 710 transitions. [2020-09-25 06:30:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 06:30:22,905 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-09-25 06:30:22,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:30:22,906 INFO L225 Difference]: With dead ends: 606 [2020-09-25 06:30:22,907 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:30:22,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2020-09-25 06:30:22,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:30:22,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:30:22,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:30:22,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:30:22,910 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 179 [2020-09-25 06:30:22,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:30:22,910 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:30:22,910 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 06:30:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:30:22,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:30:22,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:30:22,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:30:23,102 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:23,273 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:23,450 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:23,627 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:23,796 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:23,967 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:24,132 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:24,294 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:24,456 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:24,614 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:24,772 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:24,940 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:25,117 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:25,271 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:25,410 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-25 06:30:25,565 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:25,723 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:25,891 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:26,044 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:30:26,204 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:26,359 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:26,514 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:26,663 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:26,819 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:26,974 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:27,124 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:27,275 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:27,428 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:27,586 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:27,749 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:27,904 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:28,053 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:28,202 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:28,355 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:28,508 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:28,662 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:28,815 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:28,971 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:29,232 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 6 [2020-09-25 06:30:29,388 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:29,536 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:29,689 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:29,845 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:29,993 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:30,154 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:30,312 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:30,431 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 6 [2020-09-25 06:30:30,588 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:30,755 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:30,908 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:31,070 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:31,223 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:31,376 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:31,589 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-25 06:30:31,743 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:31,891 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 06:30:32,044 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:32,197 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 06:30:32,597 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7 [2020-09-25 06:30:32,794 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 06:30:32,999 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-25 06:30:33,224 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-25 06:30:33,677 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 7