/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 SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 01:47:44,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 01:47:44,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 01:47:44,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 01:47:44,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 01:47:44,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 01:47:44,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 01:47:44,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 01:47:44,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 01:47:44,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 01:47:44,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 01:47:44,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 01:47:44,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 01:47:44,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 01:47:44,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 01:47:44,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 01:47:44,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 01:47:44,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 01:47:44,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 01:47:44,432 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 01:47:44,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 01:47:44,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 01:47:44,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 01:47:44,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 01:47:44,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 01:47:44,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 01:47:44,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 01:47:44,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 01:47:44,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 01:47:44,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 01:47:44,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 01:47:44,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 01:47:44,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 01:47:44,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 01:47:44,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 01:47:44,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 01:47:44,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 01:47:44,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 01:47:44,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 01:47:44,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 01:47:44,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 01:47:44,456 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 01:47:44,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 01:47:44,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 01:47:44,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 01:47:44,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 01:47:44,511 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 01:47:44,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 01:47:44,511 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 01:47:44,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 01:47:44,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 01:47:44,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 01:47:44,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 01:47:44,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 01:47:44,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 01:47:44,514 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 01:47:44,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 01:47:44,515 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 01:47:44,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 01:47:44,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 01:47:44,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 01:47:44,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 01:47:44,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 01:47:44,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:47:44,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 01:47:44,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 01:47:44,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 01:47:44,517 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 01:47:44,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 01:47:44,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 01:47:44,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 01:47:44,518 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 -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 01:47:44,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 01:47:44,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 01:47:44,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 01:47:44,885 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 01:47:44,886 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 01:47:44,886 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product38.cil.c [2020-10-15 01:47:44,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc70a73b2/c18b2c16939544189e6c4289ee86b7c6/FLAG60fdbc040 [2020-10-15 01:47:45,509 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 01:47:45,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product38.cil.c [2020-10-15 01:47:45,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc70a73b2/c18b2c16939544189e6c4289ee86b7c6/FLAG60fdbc040 [2020-10-15 01:47:45,780 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc70a73b2/c18b2c16939544189e6c4289ee86b7c6 [2020-10-15 01:47:45,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 01:47:45,790 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 01:47:45,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 01:47:45,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 01:47:45,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 01:47:45,796 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:47:45" (1/1) ... [2020-10-15 01:47:45,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e065585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:45, skipping insertion in model container [2020-10-15 01:47:45,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:47:45" (1/1) ... [2020-10-15 01:47:45,808 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 01:47:45,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 01:47:46,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:47:46,294 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 01:47:46,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 01:47:46,414 INFO L208 MainTranslator]: Completed translation [2020-10-15 01:47:46,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46 WrapperNode [2020-10-15 01:47:46,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 01:47:46,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 01:47:46,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 01:47:46,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 01:47:46,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... [2020-10-15 01:47:46,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 01:47:46,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 01:47:46,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 01:47:46,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 01:47:46,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 01:47:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 01:47:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 01:47:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-15 01:47:46,611 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-15 01:47:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-15 01:47:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-15 01:47:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-15 01:47:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 01:47:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-15 01:47:46,612 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-15 01:47:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-15 01:47:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-15 01:47:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-15 01:47:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-15 01:47:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-15 01:47:46,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-15 01:47:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:47:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-15 01:47:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-15 01:47:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-15 01:47:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-15 01:47:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-15 01:47:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-15 01:47:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-15 01:47:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-15 01:47:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-15 01:47:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-15 01:47:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-15 01:47:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-15 01:47:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-15 01:47:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-15 01:47:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-15 01:47:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-15 01:47:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-15 01:47:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-15 01:47:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-15 01:47:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-15 01:47:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-15 01:47:46,617 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-15 01:47:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 01:47:46,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 01:47:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-15 01:47:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-15 01:47:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-15 01:47:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-15 01:47:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-15 01:47:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-15 01:47:46,618 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-15 01:47:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-15 01:47:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-15 01:47:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-15 01:47:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-15 01:47:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-15 01:47:46,619 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-15 01:47:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 01:47:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-15 01:47:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-15 01:47:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-15 01:47:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-15 01:47:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-15 01:47:46,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 01:47:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-15 01:47:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-15 01:47:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-15 01:47:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-15 01:47:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-15 01:47:46,621 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-15 01:47:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-15 01:47:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-15 01:47:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-15 01:47:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-15 01:47:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-15 01:47:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-15 01:47:46,622 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 01:47:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 01:47:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-15 01:47:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 01:47:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 01:47:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 01:47:46,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 01:47:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-15 01:47:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 01:47:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-15 01:47:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-15 01:47:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 01:47:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-15 01:47:46,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-15 01:47:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-15 01:47:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-15 01:47:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 01:47:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 01:47:46,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 01:47:47,653 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 01:47:47,655 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-15 01:47:47,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:47:47 BoogieIcfgContainer [2020-10-15 01:47:47,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 01:47:47,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 01:47:47,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 01:47:47,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 01:47:47,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:47:45" (1/3) ... [2020-10-15 01:47:47,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81f18a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:47:47, skipping insertion in model container [2020-10-15 01:47:47,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:47:46" (2/3) ... [2020-10-15 01:47:47,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@81f18a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:47:47, skipping insertion in model container [2020-10-15 01:47:47,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:47:47" (3/3) ... [2020-10-15 01:47:47,682 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product38.cil.c [2020-10-15 01:47:47,693 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 01:47:47,702 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 01:47:47,717 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 01:47:47,742 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 01:47:47,742 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 01:47:47,742 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 01:47:47,743 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 01:47:47,743 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 01:47:47,743 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 01:47:47,743 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 01:47:47,743 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 01:47:47,761 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-15 01:47:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-15 01:47:47,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:47:47,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:47:47,772 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:47:47,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:47:47,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1463974042, now seen corresponding path program 1 times [2020-10-15 01:47:47,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:47:47,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531484978] [2020-10-15 01:47:47,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:47:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:48,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:48,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:49,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:49,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:50,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:51,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:51,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-15 01:47:51,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:47:51,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3714 [2020-10-15 01:47:51,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:51,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:47:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:47:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-15 01:47:51,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 01:47:52,133 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:47:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:47:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:52,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:52,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:52,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:52,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-15 01:47:52,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:52,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:52,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:47:52,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:52,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:47:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:52,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:52,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:52,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:52,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:47:52,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:52,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:52,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:52,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:52,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:52,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:52,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:47:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:52,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:52,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:52,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:52,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:47:52,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:52,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:52,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:52,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:52,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:47:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:52,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:52,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:52,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:47:52,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:52,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:52,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:52,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:52,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:52,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:52,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:47:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:52,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:52,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:52,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:52,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:47:52,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:52,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:52,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:52,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:52,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 01:47:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:52,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:52,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:52,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:52,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:47:52,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:52,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:47:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:52,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:52,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-15 01:47:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:52,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:52,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:52,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:52,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:52,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:47:52,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:52,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:52,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:47:52,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:47:52,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:47:52,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:47:52,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531484978] [2020-10-15 01:47:52,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:47:52,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:47:52,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878910366] [2020-10-15 01:47:52,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:47:52,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:47:52,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:47:52,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:47:52,362 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 7 states. [2020-10-15 01:47:52,861 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:47:53,618 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:53,960 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:54,219 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:47:54,486 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:47:56,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:47:56,092 INFO L93 Difference]: Finished difference Result 421 states and 568 transitions. [2020-10-15 01:47:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 01:47:56,099 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2020-10-15 01:47:56,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:47:56,115 INFO L225 Difference]: With dead ends: 421 [2020-10-15 01:47:56,115 INFO L226 Difference]: Without dead ends: 269 [2020-10-15 01:47:56,126 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-15 01:47:56,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-10-15 01:47:56,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 236. [2020-10-15 01:47:56,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-15 01:47:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 286 transitions. [2020-10-15 01:47:56,251 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 286 transitions. Word has length 46 [2020-10-15 01:47:56,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:47:56,251 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 286 transitions. [2020-10-15 01:47:56,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:47:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 286 transitions. [2020-10-15 01:47:56,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 01:47:56,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:47:56,257 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:47:56,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 01:47:56,257 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:47:56,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:47:56,258 INFO L82 PathProgramCache]: Analyzing trace with hash 855305150, now seen corresponding path program 1 times [2020-10-15 01:47:56,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:47:56,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1255085617] [2020-10-15 01:47:56,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:47:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:56,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:56,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:56,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:57,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:58,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:58,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-15 01:47:58,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:47:58,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2502 [2020-10-15 01:47:58,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:58,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 01:47:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:47:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-15 01:47:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:59,041 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:47:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:47:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:59,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:59,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:59,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:59,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-15 01:47:59,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:59,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:59,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:59,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:59,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:47:59,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:59,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:47:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:59,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:59,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:47:59,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:59,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:59,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:59,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:59,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:47:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:59,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:59,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:59,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:59,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:47:59,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:59,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:59,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:59,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:59,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:59,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:59,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:47:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:59,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:59,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:59,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:59,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:59,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:59,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:59,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:59,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:59,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:47:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:59,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:59,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:47:59,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:59,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:59,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:59,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:47:59,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:59,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:47:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:59,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:59,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:59,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:59,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:59,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:59,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:59,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:59,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:47:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:59,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:59,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:59,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:59,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:47:59,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:59,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:59,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:47:59,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:59,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:59,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:59,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-15 01:47:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:47:59,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:47:59,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:47:59,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:47:59,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:47:59,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:47:59,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:47:59,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:47:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:47:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:47:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:47:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:47:59,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:47:59,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1255085617] [2020-10-15 01:47:59,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:47:59,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-15 01:47:59,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788434950] [2020-10-15 01:47:59,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 01:47:59,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:47:59,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 01:47:59,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-15 01:47:59,233 INFO L87 Difference]: Start difference. First operand 236 states and 286 transitions. Second operand 8 states. [2020-10-15 01:47:59,653 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:00,530 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:00,831 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:01,099 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:01,645 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:01,929 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:03,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:03,066 INFO L93 Difference]: Finished difference Result 599 states and 823 transitions. [2020-10-15 01:48:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 01:48:03,066 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-10-15 01:48:03,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:03,073 INFO L225 Difference]: With dead ends: 599 [2020-10-15 01:48:03,074 INFO L226 Difference]: Without dead ends: 387 [2020-10-15 01:48:03,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:48:03,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-10-15 01:48:03,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 340. [2020-10-15 01:48:03,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-10-15 01:48:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 432 transitions. [2020-10-15 01:48:03,169 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 432 transitions. Word has length 51 [2020-10-15 01:48:03,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:03,170 INFO L479 AbstractCegarLoop]: Abstraction has 340 states and 432 transitions. [2020-10-15 01:48:03,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 01:48:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 432 transitions. [2020-10-15 01:48:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-15 01:48:03,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:03,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:03,175 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 01:48:03,175 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:03,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:03,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1152336420, now seen corresponding path program 1 times [2020-10-15 01:48:03,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:03,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870792233] [2020-10-15 01:48:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:03,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:03,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:03,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:08,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-15 01:48:08,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:48:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-15 01:48:08,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:08,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 01:48:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:08,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-15 01:48:08,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:08,611 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:08,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:08,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:08,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:08,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:08,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-15 01:48:08,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:08,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:08,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:08,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:08,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:08,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:08,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:08,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:08,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:08,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:08,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:08,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:08,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:08,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:08,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:08,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:08,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:08,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:08,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:08,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:08,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:08,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:08,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:08,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:08,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:08,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:08,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:08,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:08,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:08,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:08,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:08,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:08,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:08,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:08,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:08,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:08,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:08,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:08,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:08,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:08,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:08,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:08,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:48:08,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:08,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:08,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:08,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-15 01:48:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:08,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:08,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:48:08,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:48:08,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 01:48:08,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:08,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:08,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 01:48:08,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:08,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:08,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:08,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:08,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:08,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:08,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 01:48:08,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:08,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:08,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-15 01:48:08,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 01:48:08,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:08,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:08,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:09,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:09,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:09,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:09,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 01:48:09,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:09,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:09,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 01:48:09,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:09,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:09,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:09,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:09,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:09,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:09,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:09,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:09,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:09,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:09,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:09,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:09,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:09,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:09,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:09,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:09,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:09,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:09,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:09,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:09,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:09,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:09,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-15 01:48:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:09,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:09,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:09,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:09,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:09,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:09,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:09,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:09,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:09,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-15 01:48:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:09,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:09,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:09,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:09,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:09,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:09,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:09,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:09,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 01:48:09,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870792233] [2020-10-15 01:48:09,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:09,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-15 01:48:09,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063712201] [2020-10-15 01:48:09,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 01:48:09,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:09,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 01:48:09,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-10-15 01:48:09,093 INFO L87 Difference]: Start difference. First operand 340 states and 432 transitions. Second operand 15 states. [2020-10-15 01:48:09,641 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:10,437 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:10,701 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:11,341 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:11,669 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:11,925 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:12,192 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:12,437 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:48:12,760 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:13,046 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:13,440 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:13,725 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-15 01:48:14,077 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:14,362 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:14,970 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:15,706 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 187 [2020-10-15 01:48:16,133 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:16,608 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-10-15 01:48:16,896 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:17,370 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-10-15 01:48:17,700 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:18,193 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-10-15 01:48:18,522 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:18,974 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-10-15 01:48:20,101 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-15 01:48:22,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:22,253 INFO L93 Difference]: Finished difference Result 1276 states and 1887 transitions. [2020-10-15 01:48:22,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-15 01:48:22,253 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 84 [2020-10-15 01:48:22,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:22,271 INFO L225 Difference]: With dead ends: 1276 [2020-10-15 01:48:22,272 INFO L226 Difference]: Without dead ends: 960 [2020-10-15 01:48:22,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=409, Invalid=2041, Unknown=0, NotChecked=0, Total=2450 [2020-10-15 01:48:22,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2020-10-15 01:48:22,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 797. [2020-10-15 01:48:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2020-10-15 01:48:22,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1023 transitions. [2020-10-15 01:48:22,486 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1023 transitions. Word has length 84 [2020-10-15 01:48:22,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:22,488 INFO L479 AbstractCegarLoop]: Abstraction has 797 states and 1023 transitions. [2020-10-15 01:48:22,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 01:48:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1023 transitions. [2020-10-15 01:48:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-15 01:48:22,494 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:22,495 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:22,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 01:48:22,495 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:22,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:22,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1549404960, now seen corresponding path program 1 times [2020-10-15 01:48:22,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:22,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1175899435] [2020-10-15 01:48:22,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:22,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:22,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:22,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:22,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:23,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:26,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:26,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-15 01:48:26,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-15 01:48:26,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4028 [2020-10-15 01:48:26,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:26,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:26,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 01:48:26,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:26,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-15 01:48:26,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:26,818 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:26,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:26,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:26,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:26,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:26,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:26,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-15 01:48:26,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:26,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:26,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:26,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:26,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:26,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:26,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:26,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:26,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:26,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:26,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:26,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:26,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:26,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:26,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:26,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:26,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:26,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:26,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:26,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:26,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:26,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:26,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:26,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:26,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:26,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:26,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:26,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:26,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:26,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:26,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:26,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:26,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:26,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:26,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:26,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:26,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:26,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:26,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:26,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:26,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:26,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:26,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:26,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:26,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:26,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:26,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 01:48:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:26,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:26,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 01:48:27,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:27,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 01:48:27,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 01:48:27,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:27,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:48:27,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:27,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 01:48:27,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:27,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-15 01:48:27,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:27,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:27,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:27,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:27,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 01:48:27,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:27,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-15 01:48:27,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:27,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:27,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:27,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:27,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 01:48:27,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:27,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 01:48:27,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:27,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:27,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:27,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:27,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 01:48:27,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 01:48:27,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:27,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:27,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:27,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:27,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:27,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:27,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:27,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 01:48:27,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:48:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:27,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:27,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:27,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:27,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:27,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:27,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:27,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:27,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:27,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:27,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:27,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:27,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:27,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:27,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-15 01:48:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:27,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:27,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:27,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:27,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:27,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:27,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 01:48:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:27,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:27,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:27,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:27,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:27,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:27,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:27,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-15 01:48:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:27,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:27,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:27,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:27,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:27,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:27,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:27,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:27,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-15 01:48:27,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1175899435] [2020-10-15 01:48:27,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:27,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 01:48:27,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778759462] [2020-10-15 01:48:27,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 01:48:27,270 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:27,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 01:48:27,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:48:27,271 INFO L87 Difference]: Start difference. First operand 797 states and 1023 transitions. Second operand 10 states. [2020-10-15 01:48:27,708 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:28,348 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:28,593 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:28,835 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:29,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:29,899 INFO L93 Difference]: Finished difference Result 1579 states and 2184 transitions. [2020-10-15 01:48:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 01:48:29,900 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 103 [2020-10-15 01:48:29,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:29,908 INFO L225 Difference]: With dead ends: 1579 [2020-10-15 01:48:29,908 INFO L226 Difference]: Without dead ends: 775 [2020-10-15 01:48:29,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2020-10-15 01:48:29,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2020-10-15 01:48:30,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 695. [2020-10-15 01:48:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-10-15 01:48:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 849 transitions. [2020-10-15 01:48:30,067 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 849 transitions. Word has length 103 [2020-10-15 01:48:30,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:30,068 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 849 transitions. [2020-10-15 01:48:30,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 01:48:30,068 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 849 transitions. [2020-10-15 01:48:30,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-15 01:48:30,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:30,077 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:30,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 01:48:30,077 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:30,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:30,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1350269292, now seen corresponding path program 1 times [2020-10-15 01:48:30,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:30,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [73438698] [2020-10-15 01:48:30,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:30,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:30,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:30,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:30,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:32,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:32,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-15 01:48:32,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 01:48:32,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2590 [2020-10-15 01:48:32,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:32,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 01:48:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:32,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-15 01:48:32,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:32,976 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:32,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:32,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:33,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 01:48:33,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:33,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 01:48:33,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:33,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:33,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:33,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:33,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:33,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:33,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:33,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:33,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:33,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:33,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:33,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:33,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:33,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:33,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:33,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 01:48:33,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:33,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:33,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:33,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:48:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 01:48:33,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 01:48:33,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 01:48:33,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:33,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 01:48:33,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:48:33,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 01:48:33,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:33,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 01:48:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:33,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:33,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:33,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:33,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:33,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:33,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:33,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:33,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:48:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:33,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:33,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 01:48:33,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:33,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:33,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-15 01:48:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:33,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:33,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 01:48:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-15 01:48:33,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 01:48:33,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-15 01:48:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:48:33,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:48:33,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:33,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 01:48:33,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:48:33,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:33,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:33,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:33,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 01:48:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:48:33,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:33,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:33,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:33,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:33,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-15 01:48:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:33,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:33,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 01:48:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:33,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-15 01:48:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:33,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:33,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:33,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:33,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:33,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:33,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:33,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:33,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-15 01:48:33,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [73438698] [2020-10-15 01:48:33,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 01:48:33,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 01:48:33,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972697759] [2020-10-15 01:48:33,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 01:48:33,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:33,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 01:48:33,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-15 01:48:33,347 INFO L87 Difference]: Start difference. First operand 695 states and 849 transitions. Second operand 14 states. [2020-10-15 01:48:33,727 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:34,331 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:35,240 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:35,531 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:35,778 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:36,012 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:36,277 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:36,532 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:37,079 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:37,638 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-15 01:48:37,923 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:38,175 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-15 01:48:38,905 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-15 01:48:39,308 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-15 01:48:42,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:42,272 INFO L93 Difference]: Finished difference Result 2175 states and 3173 transitions. [2020-10-15 01:48:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-15 01:48:42,273 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 131 [2020-10-15 01:48:42,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:42,288 INFO L225 Difference]: With dead ends: 2175 [2020-10-15 01:48:42,288 INFO L226 Difference]: Without dead ends: 1563 [2020-10-15 01:48:42,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=404, Invalid=1318, Unknown=0, NotChecked=0, Total=1722 [2020-10-15 01:48:42,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2020-10-15 01:48:42,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1260. [2020-10-15 01:48:42,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1260 states. [2020-10-15 01:48:42,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1628 transitions. [2020-10-15 01:48:42,570 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1628 transitions. Word has length 131 [2020-10-15 01:48:42,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:42,571 INFO L479 AbstractCegarLoop]: Abstraction has 1260 states and 1628 transitions. [2020-10-15 01:48:42,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 01:48:42,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1628 transitions. [2020-10-15 01:48:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-15 01:48:42,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:42,579 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:42,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 01:48:42,579 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:42,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:42,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1406494867, now seen corresponding path program 1 times [2020-10-15 01:48:42,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:42,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1034640890] [2020-10-15 01:48:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:42,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:42,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:42,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-15 01:48:43,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 01:48:43,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-15 01:48:43,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:43,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-15 01:48:43,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-15 01:48:43,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,242 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-15 01:48:43,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 01:48:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 01:48:43,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:43,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-15 01:48:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:43,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-15 01:48:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 01:48:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:43,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-15 01:48:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:43,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 01:48:43,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 01:48:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 01:48:43,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 01:48:43,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-15 01:48:43,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-15 01:48:43,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 01:48:43,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 01:48:43,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:43,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-15 01:48:43,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 01:48:43,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-15 01:48:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:43,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:48:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:43,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-15 01:48:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 01:48:43,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 01:48:43,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 01:48:43,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-15 01:48:43,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 01:48:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:48:43,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:43,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:48:43,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 01:48:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:48:43,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:43,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-15 01:48:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 01:48:43,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-15 01:48:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:43,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-15 01:48:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 01:48:43,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 01:48:43,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-15 01:48:43,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 01:48:43,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 01:48:43,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 01:48:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-15 01:48:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 01:48:43,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 01:48:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 01:48:43,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 01:48:43,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 01:48:43,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-15 01:48:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 01:48:43,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:43,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-15 01:48:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 01:48:43,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 01:48:43,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 01:48:43,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 01:48:43,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 01:48:43,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 01:48:43,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 01:48:43,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 01:48:43,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 01:48:43,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 01:48:43,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 01:48:43,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 01:48:43,573 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-10-15 01:48:43,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1034640890] [2020-10-15 01:48:43,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 01:48:43,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 01:48:43,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992667107] [2020-10-15 01:48:43,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 01:48:43,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 01:48:43,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 01:48:43,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-15 01:48:43,576 INFO L87 Difference]: Start difference. First operand 1260 states and 1628 transitions. Second operand 7 states. [2020-10-15 01:48:44,213 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-15 01:48:45,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 01:48:45,399 INFO L93 Difference]: Finished difference Result 1978 states and 2442 transitions. [2020-10-15 01:48:45,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 01:48:45,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 183 [2020-10-15 01:48:45,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 01:48:45,410 INFO L225 Difference]: With dead ends: 1978 [2020-10-15 01:48:45,410 INFO L226 Difference]: Without dead ends: 1122 [2020-10-15 01:48:45,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-15 01:48:45,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1122 states. [2020-10-15 01:48:45,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1122 to 1073. [2020-10-15 01:48:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1073 states. [2020-10-15 01:48:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 1073 states and 1277 transitions. [2020-10-15 01:48:45,588 INFO L78 Accepts]: Start accepts. Automaton has 1073 states and 1277 transitions. Word has length 183 [2020-10-15 01:48:45,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 01:48:45,589 INFO L479 AbstractCegarLoop]: Abstraction has 1073 states and 1277 transitions. [2020-10-15 01:48:45,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 01:48:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 1277 transitions. [2020-10-15 01:48:45,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-15 01:48:45,594 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 01:48:45,594 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 01:48:45,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 01:48:45,594 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 01:48:45,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 01:48:45,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1788025149, now seen corresponding path program 1 times [2020-10-15 01:48:45,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 01:48:45,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1284247267] [2020-10-15 01:48:45,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 01:48:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 01:48:45,646 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-15 01:48:45,646 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 01:48:45,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 01:48:45,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:48:45 BoogieIcfgContainer [2020-10-15 01:48:45,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 01:48:45,699 INFO L168 Benchmark]: Toolchain (without parser) took 59909.16 ms. Allocated memory was 148.4 MB in the beginning and 843.6 MB in the end (delta: 695.2 MB). Free memory was 103.4 MB in the beginning and 590.9 MB in the end (delta: -487.4 MB). Peak memory consumption was 207.8 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:45,700 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-10-15 01:48:45,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.16 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 103.4 MB in the beginning and 174.9 MB in the end (delta: -71.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:45,718 INFO L168 Benchmark]: Boogie Preprocessor took 126.22 ms. Allocated memory is still 205.0 MB. Free memory was 174.9 MB in the beginning and 170.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:45,718 INFO L168 Benchmark]: RCFGBuilder took 1130.32 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 170.7 MB in the beginning and 192.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:45,719 INFO L168 Benchmark]: TraceAbstraction took 58023.15 ms. Allocated memory was 233.3 MB in the beginning and 843.6 MB in the end (delta: 610.3 MB). Free memory was 192.6 MB in the beginning and 590.9 MB in the end (delta: -398.3 MB). Peak memory consumption was 212.0 MB. Max. memory is 7.1 GB. [2020-10-15 01:48:45,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.5 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.16 ms. Allocated memory was 148.4 MB in the beginning and 205.0 MB in the end (delta: 56.6 MB). Free memory was 103.4 MB in the beginning and 174.9 MB in the end (delta: -71.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.22 ms. Allocated memory is still 205.0 MB. Free memory was 174.9 MB in the beginning and 170.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1130.32 ms. Allocated memory was 205.0 MB in the beginning and 233.3 MB in the end (delta: 28.3 MB). Free memory was 170.7 MB in the beginning and 192.6 MB in the end (delta: -21.9 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 58023.15 ms. Allocated memory was 233.3 MB in the beginning and 843.6 MB in the end (delta: 610.3 MB). Free memory was 192.6 MB in the beginning and 590.9 MB in the end (delta: -398.3 MB). Peak memory consumption was 212.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 247]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L349] int pumpRunning = 0; [L350] int systemActive = 1; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L126] FCALL select_helpers() [L127] FCALL select_features() [L128] CALL, EXPR valid_product() [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); [L128] RET, EXPR valid_product() [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L132] FCALL setup() [L133] CALL runTest() [L112] CALL test() [L281] int splverifierCounter ; [L282] int tmp ; [L283] int tmp___0 ; [L284] int tmp___1 ; [L285] int tmp___2 ; [L288] splverifierCounter = 0 [L290] COND TRUE 1 [L292] COND TRUE splverifierCounter < 4 [L298] tmp = __VERIFIER_nondet_int() [L300] COND TRUE \read(tmp) [L302] CALL waterRise() [L167] COND TRUE waterLevel < 2 [L168] waterLevel = waterLevel + 1 [L302] RET waterRise() [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) [L335] CALL timeShift() [L356] COND FALSE !(\read(pumpRunning)) [L363] COND TRUE \read(systemActive) [L365] CALL processEnvironment() [L411] int tmp ; [L414] COND FALSE !(\read(pumpRunning)) [L429] CALL processEnvironment__wrappee__highWaterSensor() [L385] int tmp ; [L388] COND TRUE ! pumpRunning [L390] CALL, EXPR isHighWaterLevel() [L508] int retValue_acc ; [L509] int tmp ; [L510] int tmp___0 ; [L514] CALL, EXPR isHighWaterSensorDry() [L229] int retValue_acc ; [L232] COND FALSE !(waterLevel < 2) [L236] retValue_acc = 0 [L237] return (retValue_acc); [L514] RET, EXPR isHighWaterSensorDry() [L514] tmp = isHighWaterSensorDry() [L516] COND FALSE !(\read(tmp)) [L519] tmp___0 = 1 [L521] retValue_acc = tmp___0 [L522] return (retValue_acc); [L390] RET, EXPR isHighWaterLevel() [L390] tmp = isHighWaterLevel() [L392] COND TRUE \read(tmp) [L394] CALL activatePump() [L439] pumpRunning = 1 [L394] RET activatePump() [L429] RET processEnvironment__wrappee__highWaterSensor() [L365] RET processEnvironment() [L371] CALL __utac_acc__Specification4_spec__1() [L254] int tmp ; [L255] int tmp___0 ; [L259] CALL, EXPR getWaterLevel() [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); [L259] RET, EXPR getWaterLevel() [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) [L371] RET __utac_acc__Specification4_spec__1() [L335] RET timeShift() [L290] COND TRUE 1 [L292] COND TRUE splverifierCounter < 4 [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) [L335] CALL timeShift() [L356] COND TRUE \read(pumpRunning) [L358] CALL lowerWaterLevel() [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 [L358] RET lowerWaterLevel() [L363] COND TRUE \read(systemActive) [L365] CALL processEnvironment() [L411] int tmp ; [L414] COND TRUE \read(pumpRunning) [L416] CALL, EXPR isMethaneAlarm() [L452] int retValue_acc ; [L456] CALL, EXPR isMethaneLevelCritical() [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); [L456] RET, EXPR isMethaneLevelCritical() [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); [L416] RET, EXPR isMethaneAlarm() [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) [L424] CALL processEnvironment__wrappee__highWaterSensor() [L385] int tmp ; [L388] COND FALSE !(! pumpRunning) [L403] FCALL processEnvironment__wrappee__base() [L424] RET processEnvironment__wrappee__highWaterSensor() [L365] RET processEnvironment() [L371] CALL __utac_acc__Specification4_spec__1() [L254] int tmp ; [L255] int tmp___0 ; [L259] CALL, EXPR getWaterLevel() [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); [L259] RET, EXPR getWaterLevel() [L259] tmp = getWaterLevel() [L261] COND FALSE !(tmp == 0) [L371] RET __utac_acc__Specification4_spec__1() [L335] RET timeShift() [L290] COND TRUE 1 [L292] COND TRUE splverifierCounter < 4 [L298] tmp = __VERIFIER_nondet_int() [L300] COND FALSE !(\read(tmp)) [L308] tmp___0 = __VERIFIER_nondet_int() [L310] COND FALSE !(\read(tmp___0)) [L318] tmp___2 = __VERIFIER_nondet_int() [L320] COND FALSE !(\read(tmp___2)) [L326] tmp___1 = __VERIFIER_nondet_int() [L328] COND TRUE \read(tmp___1) [L335] CALL timeShift() [L356] COND TRUE \read(pumpRunning) [L358] CALL lowerWaterLevel() [L155] COND TRUE waterLevel > 0 [L156] waterLevel = waterLevel - 1 [L358] RET lowerWaterLevel() [L363] COND TRUE \read(systemActive) [L365] CALL processEnvironment() [L411] int tmp ; [L414] COND TRUE \read(pumpRunning) [L416] CALL, EXPR isMethaneAlarm() [L452] int retValue_acc ; [L456] CALL, EXPR isMethaneLevelCritical() [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); [L456] RET, EXPR isMethaneLevelCritical() [L456] retValue_acc = isMethaneLevelCritical() [L458] return (retValue_acc); [L416] RET, EXPR isMethaneAlarm() [L416] tmp = isMethaneAlarm() [L418] COND FALSE !(\read(tmp)) [L424] CALL processEnvironment__wrappee__highWaterSensor() [L385] int tmp ; [L388] COND FALSE !(! pumpRunning) [L403] FCALL processEnvironment__wrappee__base() [L424] RET processEnvironment__wrappee__highWaterSensor() [L365] RET processEnvironment() [L371] CALL __utac_acc__Specification4_spec__1() [L254] int tmp ; [L255] int tmp___0 ; [L259] CALL, EXPR getWaterLevel() [L220] int retValue_acc ; [L223] retValue_acc = waterLevel [L224] return (retValue_acc); [L259] RET, EXPR getWaterLevel() [L259] tmp = getWaterLevel() [L261] COND TRUE tmp == 0 [L263] CALL, EXPR isPumpRunning() [L463] int retValue_acc ; [L466] retValue_acc = pumpRunning [L467] return (retValue_acc); [L263] RET, EXPR isPumpRunning() [L263] tmp___0 = isPumpRunning() [L265] COND TRUE \read(tmp___0) [L267] CALL __automaton_fail() [L247] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.9s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 34.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 873 SDtfs, 2320 SDslu, 1862 SDs, 0 SdLazy, 8494 SolverSat, 1819 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 217 SyntacticMatches, 2 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1260occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 675 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 786 NumberOfCodeBlocks, 786 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 592 ConstructedInterpolants, 0 QuantifiedInterpolants, 234736 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 120/127 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...