/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=NARROWEST --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/elevator_spec13_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:17:29,911 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:17:29,914 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:17:29,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:17:29,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:17:29,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:17:29,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:17:29,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:17:29,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:17:29,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:17:29,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:17:29,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:17:29,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:17:29,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:17:29,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:17:29,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:17:29,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:17:29,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:17:29,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:17:29,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:17:29,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:17:29,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:17:29,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:17:29,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:17:29,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:17:29,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:17:29,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:17:29,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:17:29,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:17:29,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:17:29,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:17:29,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:17:29,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:17:29,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:17:29,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:17:29,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:17:29,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:17:29,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:17:29,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:17:29,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:17:29,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:17:29,973 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 [2020-10-13 11:17:29,995 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:17:29,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:17:29,997 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:17:29,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:17:29,997 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:17:29,998 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:17:29,998 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:17:29,998 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:17:29,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:17:29,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:17:29,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:17:29,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:17:29,999 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:17:29,999 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:17:29,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:17:30,000 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:17:30,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:17:30,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:17:30,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:17:30,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:17:30,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:17:30,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:17:30,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:17:30,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:17:30,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:17:30,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:17:30,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:17:30,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:17:30,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:17:30,003 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:17:30,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:17:30,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:17:30,326 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:17:30,328 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:17:30,329 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:17:30,330 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec13_product32.cil.c [2020-10-13 11:17:30,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5eb3bfc1/c44d468ec4a24f1083831c82d2afe59c/FLAGabcccc0bc [2020-10-13 11:17:31,079 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:17:31,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/elevator_spec13_product32.cil.c [2020-10-13 11:17:31,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5eb3bfc1/c44d468ec4a24f1083831c82d2afe59c/FLAGabcccc0bc [2020-10-13 11:17:31,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c5eb3bfc1/c44d468ec4a24f1083831c82d2afe59c [2020-10-13 11:17:31,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:17:31,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:17:31,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:17:31,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:17:31,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:17:31,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:31" (1/1) ... [2020-10-13 11:17:31,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13ba5b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:31, skipping insertion in model container [2020-10-13 11:17:31,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:17:31" (1/1) ... [2020-10-13 11:17:31,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:17:31,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:17:32,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:17:32,102 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:17:32,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:17:32,291 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:17:32,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32 WrapperNode [2020-10-13 11:17:32,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:17:32,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:17:32,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:17:32,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:17:32,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32" (1/1) ... [2020-10-13 11:17:32,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32" (1/1) ... [2020-10-13 11:17:32,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32" (1/1) ... [2020-10-13 11:17:32,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32" (1/1) ... [2020-10-13 11:17:32,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32" (1/1) ... [2020-10-13 11:17:32,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32" (1/1) ... [2020-10-13 11:17:32,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32" (1/1) ... [2020-10-13 11:17:32,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:17:32,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:17:32,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:17:32,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:17:32,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32" (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 [2020-10-13 11:17:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:17:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:17:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:17:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:17:32,609 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2020-10-13 11:17:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2020-10-13 11:17:32,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__1 [2020-10-13 11:17:32,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification13_spec__2 [2020-10-13 11:17:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2020-10-13 11:17:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2020-10-13 11:17:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2020-10-13 11:17:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2020-10-13 11:17:32,612 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2020-10-13 11:17:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2020-10-13 11:17:32,613 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2020-10-13 11:17:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2020-10-13 11:17:32,614 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 11:17:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2020-10-13 11:17:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2020-10-13 11:17:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2020-10-13 11:17:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 11:17:32,615 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2020-10-13 11:17:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:17:32,616 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 11:17:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:17:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2020-10-13 11:17:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2020-10-13 11:17:32,617 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2020-10-13 11:17:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2020-10-13 11:17:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2020-10-13 11:17:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2020-10-13 11:17:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2020-10-13 11:17:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2020-10-13 11:17:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2020-10-13 11:17:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2020-10-13 11:17:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2020-10-13 11:17:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:17:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:17:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:17:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:17:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:17:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:17:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:17:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:17:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:17:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:17:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2020-10-13 11:17:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2020-10-13 11:17:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2020-10-13 11:17:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2020-10-13 11:17:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2020-10-13 11:17:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2020-10-13 11:17:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__weight [2020-10-13 11:17:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2020-10-13 11:17:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2020-10-13 11:17:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2020-10-13 11:17:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2020-10-13 11:17:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2020-10-13 11:17:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2020-10-13 11:17:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2020-10-13 11:17:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2020-10-13 11:17:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2020-10-13 11:17:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2020-10-13 11:17:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:17:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-13 11:17:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2020-10-13 11:17:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2020-10-13 11:17:32,625 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2020-10-13 11:17:32,626 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:17:32,626 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-13 11:17:32,627 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2020-10-13 11:17:32,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2020-10-13 11:17:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2020-10-13 11:17:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift__wrappee__executivefloor [2020-10-13 11:17:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 11:17:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printState__wrappee__executivefloor [2020-10-13 11:17:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2020-10-13 11:17:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2020-10-13 11:17:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloorCalling [2020-10-13 11:17:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isExecutiveFloor [2020-10-13 11:17:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:17:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:17:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:17:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:17:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2020-10-13 11:17:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2020-10-13 11:17:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 11:17:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2020-10-13 11:17:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2020-10-13 11:17:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2020-10-13 11:17:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2020-10-13 11:17:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2020-10-13 11:17:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2020-10-13 11:17:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2020-10-13 11:17:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__1 [2020-10-13 11:17:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2020-10-13 11:17:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification13_spec__2 [2020-10-13 11:17:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 11:17:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2020-10-13 11:17:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2020-10-13 11:17:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2020-10-13 11:17:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2020-10-13 11:17:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2020-10-13 11:17:32,634 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2020-10-13 11:17:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2020-10-13 11:17:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2020-10-13 11:17:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2020-10-13 11:17:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 11:17:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2020-10-13 11:17:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2020-10-13 11:17:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2020-10-13 11:17:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 11:17:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2020-10-13 11:17:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:17:32,636 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:17:32,637 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 11:17:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:17:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:17:32,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:17:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:17:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2020-10-13 11:17:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2020-10-13 11:17:32,639 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2020-10-13 11:17:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2020-10-13 11:17:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2020-10-13 11:17:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2020-10-13 11:17:32,642 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2020-10-13 11:17:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2020-10-13 11:17:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2020-10-13 11:17:32,646 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:17:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:17:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:17:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:17:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:17:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:17:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:17:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:17:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:17:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:17:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:17:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:17:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:17:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:17:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:17:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2020-10-13 11:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2020-10-13 11:17:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2020-10-13 11:17:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2020-10-13 11:17:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2020-10-13 11:17:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2020-10-13 11:17:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloorCalling [2020-10-13 11:17:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure isExecutiveFloor [2020-10-13 11:17:32,660 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2020-10-13 11:17:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2020-10-13 11:17:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__weight [2020-10-13 11:17:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2020-10-13 11:17:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2020-10-13 11:17:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2020-10-13 11:17:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2020-10-13 11:17:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__empty [2020-10-13 11:17:32,661 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__twothirdsfull [2020-10-13 11:17:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2020-10-13 11:17:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2020-10-13 11:17:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__empty [2020-10-13 11:17:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__twothirdsfull [2020-10-13 11:17:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2020-10-13 11:17:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2020-10-13 11:17:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2020-10-13 11:17:32,662 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift__wrappee__executivefloor [2020-10-13 11:17:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure printState__wrappee__executivefloor [2020-10-13 11:17:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:17:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:17:32,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:17:34,880 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:17:34,881 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-13 11:17:34,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:34 BoogieIcfgContainer [2020-10-13 11:17:34,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:17:34,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:17:34,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:17:34,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:17:34,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:17:31" (1/3) ... [2020-10-13 11:17:34,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1431d5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:34, skipping insertion in model container [2020-10-13 11:17:34,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:17:32" (2/3) ... [2020-10-13 11:17:34,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1431d5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:17:34, skipping insertion in model container [2020-10-13 11:17:34,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:17:34" (3/3) ... [2020-10-13 11:17:34,909 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec13_product32.cil.c [2020-10-13 11:17:34,921 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:17:34,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:17:34,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:17:34,979 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:17:34,979 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:17:34,979 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:17:34,979 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:17:34,980 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:17:34,980 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:17:34,980 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:17:34,980 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:17:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states. [2020-10-13 11:17:35,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-13 11:17:35,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:17:35,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:17:35,058 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:17:35,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:17:35,065 INFO L82 PathProgramCache]: Analyzing trace with hash -2027146740, now seen corresponding path program 1 times [2020-10-13 11:17:35,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:17:35,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [56306072] [2020-10-13 11:17:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:17:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:35,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:35,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:36,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:36,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:36,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:36,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:36,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:37,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:39,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:40,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:40,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 11:17:40,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:17:40,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 11:17:40,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:40,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 138 [2020-10-13 11:17:40,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:40,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:17:41,634 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:17:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:41,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:41,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:41,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:41,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:41,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 11:17:41,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:41,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:41,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:41,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:41,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:41,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:17:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:41,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:41,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:41,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:41,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:41,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:41,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:41,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:41,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:41,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 11:17:41,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:17:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:41,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:41,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:41,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:41,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:41,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:41,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:41,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:41,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:41,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:17:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:41,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:41,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:41,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:41,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:41,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:41,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:41,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:41,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:41,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:41,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:17:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:41,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:41,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:41,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:17:41,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:41,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:41,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:41,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:41,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:41,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:41,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:17:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:41,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:41,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:42,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:42,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:17:42,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 644 [2020-10-13 11:17:42,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:42,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:42,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:42,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:42,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:42,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:42,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:42,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:42,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:42,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:42,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:42,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:42,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:42,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:42,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:42,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:17:42,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:42,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:42,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-10-13 11:17:42,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:42,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:42,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:42,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:42,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:42,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:42,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 11:17:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:42,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:17:43,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:17:43,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 537 [2020-10-13 11:17:43,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:43,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:17:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:43,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:43,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:43,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:43,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:43,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:17:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:43,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:17:43,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:43,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:17:43,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:43,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:43,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:17:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:43,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:17:43,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:43,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:43,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:43,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:43,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 11:17:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:43,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:17:43,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:43,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:17:43,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:43,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:43,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:17:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:43,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:43,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:43,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:43,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:43,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:17:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:43,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:43,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:43,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:17:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:43,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:17:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:43,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:43,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:17:43,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:17:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:17:43,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:17:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:43,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:17:43,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:17:43,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:17:43,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:17:43,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:43,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:17:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:43,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:43,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:17:43,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:17:43,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:17:43,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:17:43,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:17:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:17:43,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:17:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:17:43,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:17:43,373 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 11:17:43,374 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [56306072] [2020-10-13 11:17:43,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:17:43,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-13 11:17:43,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823293352] [2020-10-13 11:17:43,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 11:17:43,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:17:43,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 11:17:43,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-13 11:17:43,401 INFO L87 Difference]: Start difference. First operand 851 states. Second operand 6 states. [2020-10-13 11:17:56,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:17:56,816 INFO L93 Difference]: Finished difference Result 1643 states and 2744 transitions. [2020-10-13 11:17:56,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 11:17:56,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2020-10-13 11:17:56,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:17:56,854 INFO L225 Difference]: With dead ends: 1643 [2020-10-13 11:17:56,855 INFO L226 Difference]: Without dead ends: 939 [2020-10-13 11:17:56,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:17:56,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2020-10-13 11:17:57,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 698. [2020-10-13 11:17:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-10-13 11:17:57,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1098 transitions. [2020-10-13 11:17:57,173 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1098 transitions. Word has length 113 [2020-10-13 11:17:57,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:17:57,174 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 1098 transitions. [2020-10-13 11:17:57,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 11:17:57,175 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1098 transitions. [2020-10-13 11:17:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-13 11:17:57,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:17:57,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:17:57,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:17:57,180 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:17:57,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:17:57,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1220182100, now seen corresponding path program 1 times [2020-10-13 11:17:57,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:17:57,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [729971526] [2020-10-13 11:17:57,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:17:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:17:57,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:57,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:57,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:57,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:57,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:17:58,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:02,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:02,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-10-13 11:18:02,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:18:02,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-13 11:18:02,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:02,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-13 11:18:02,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:18:02,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:03,008 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:18:03,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:03,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:03,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:03,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:18:03,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:03,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:03,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:18:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:03,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:03,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:03,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:03,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:03,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:18:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:03,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:03,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:03,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:03,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:03,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:03,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:03,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:03,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:03,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:18:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:03,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:03,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:03,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:03,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:03,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:18:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:03,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:03,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:03,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:03,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:03,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:03,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:18:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:03,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:18:03,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:18:03,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 600 [2020-10-13 11:18:03,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:03,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:18:03,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:18:03,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:03,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:03,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:03,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:03,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:03,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:03,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:03,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:18:03,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:18:03,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:03,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:18:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:03,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:18:03,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:03,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 11:18:03,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:03,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:18:03,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:03,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:03,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:18:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:03,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:03,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:03,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:03,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:03,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:03,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:03,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 11:18:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:03,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:03,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 11:18:04,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:18:04,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-10-13 11:18:04,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-13 11:18:04,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:04,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:04,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:04,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:04,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:18:04,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:04,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:04,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 11:18:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:04,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:18:04,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:04,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:18:04,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:04,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:04,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:18:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:04,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:04,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:04,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 11:18:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:04,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:18:04,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:04,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:18:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:04,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:04,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:04,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:04,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:04,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:04,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:04,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:18:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:04,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:04,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:04,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:04,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:04,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:04,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:18:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:04,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:04,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:04,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:18:04,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:04,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:18:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:04,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:04,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:04,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:18:04,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:04,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:18:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:04,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:04,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:04,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:04,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:04,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:04,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:04,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:04,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 11:18:04,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [729971526] [2020-10-13 11:18:04,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:18:04,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 11:18:04,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18993521] [2020-10-13 11:18:04,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:18:04,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:18:04,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:18:04,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:18:04,766 INFO L87 Difference]: Start difference. First operand 698 states and 1098 transitions. Second operand 8 states. [2020-10-13 11:18:06,171 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:06,945 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:18:16,880 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:22,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:18:22,025 INFO L93 Difference]: Finished difference Result 1620 states and 2670 transitions. [2020-10-13 11:18:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:18:22,029 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-10-13 11:18:22,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:18:22,039 INFO L225 Difference]: With dead ends: 1620 [2020-10-13 11:18:22,040 INFO L226 Difference]: Without dead ends: 948 [2020-10-13 11:18:22,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:18:22,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-10-13 11:18:22,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 707. [2020-10-13 11:18:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 707 states. [2020-10-13 11:18:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 707 states and 1112 transitions. [2020-10-13 11:18:22,215 INFO L78 Accepts]: Start accepts. Automaton has 707 states and 1112 transitions. Word has length 113 [2020-10-13 11:18:22,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:18:22,215 INFO L479 AbstractCegarLoop]: Abstraction has 707 states and 1112 transitions. [2020-10-13 11:18:22,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:18:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1112 transitions. [2020-10-13 11:18:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-13 11:18:22,217 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:18:22,218 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:18:22,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:18:22,218 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:18:22,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:18:22,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1088965156, now seen corresponding path program 1 times [2020-10-13 11:18:22,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:18:22,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2130389710] [2020-10-13 11:18:22,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:18:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:22,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:22,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:27,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:27,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-13 11:18:27,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:18:27,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-13 11:18:27,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:27,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-13 11:18:27,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:18:27,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,057 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:18:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:28,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:28,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:28,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-13 11:18:28,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:28,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:18:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:28,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:28,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:28,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:28,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:28,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:18:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:28,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:28,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:28,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:28,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:28,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:28,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:28,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:18:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:28,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:28,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:28,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:18:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:28,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:28,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:28,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:18:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:28,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:18:28,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:18:28,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-13 11:18:28,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:28,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:28,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:28,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:28,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:28,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:28,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:18:28,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:28,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:18:28,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:28,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:28,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:28,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:18:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:28,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:28,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:28,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:28,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:28,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:28,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:28,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:28,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:28,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 11:18:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:28,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:28,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 11:18:29,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:18:29,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-10-13 11:18:29,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:29,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 11:18:29,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:18:29,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:29,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:29,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:29,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:29,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:18:29,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:29,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:29,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:29,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:29,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:29,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:18:29,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:29,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:18:29,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:18:29,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:18:29,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:29,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-13 11:18:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:29,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:29,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:29,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:29,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:18:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:18:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:29,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 11:18:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:29,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:18:29,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:29,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:29,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:18:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:29,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:29,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:29,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:29,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:29,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:29,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:29,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:29,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:29,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:18:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:29,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:29,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:29,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:29,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:29,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:29,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:29,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:18:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:29,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:29,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:18:29,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:29,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:29,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:18:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:29,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:29,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:29,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:18:29,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:29,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:29,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:29,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:18:29,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:29,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:29,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:29,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:29,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:29,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:29,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:29,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:29,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:29,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 11:18:29,251 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2130389710] [2020-10-13 11:18:29,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:18:29,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:18:29,252 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274429277] [2020-10-13 11:18:29,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:18:29,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:18:29,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:18:29,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:18:29,254 INFO L87 Difference]: Start difference. First operand 707 states and 1112 transitions. Second operand 8 states. [2020-10-13 11:18:31,051 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:41,155 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:41,872 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:18:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:18:48,194 INFO L93 Difference]: Finished difference Result 1671 states and 2763 transitions. [2020-10-13 11:18:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:18:48,195 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 115 [2020-10-13 11:18:48,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:18:48,205 INFO L225 Difference]: With dead ends: 1671 [2020-10-13 11:18:48,205 INFO L226 Difference]: Without dead ends: 992 [2020-10-13 11:18:48,210 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:18:48,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2020-10-13 11:18:48,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 746. [2020-10-13 11:18:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-10-13 11:18:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1186 transitions. [2020-10-13 11:18:48,387 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1186 transitions. Word has length 115 [2020-10-13 11:18:48,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:18:48,387 INFO L479 AbstractCegarLoop]: Abstraction has 746 states and 1186 transitions. [2020-10-13 11:18:48,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:18:48,388 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1186 transitions. [2020-10-13 11:18:48,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-13 11:18:48,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:18:48,390 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:18:48,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:18:48,391 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:18:48,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:18:48,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1537184166, now seen corresponding path program 1 times [2020-10-13 11:18:48,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:18:48,392 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258692348] [2020-10-13 11:18:48,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:18:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:48,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:48,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:49,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:52,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:53,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:53,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-13 11:18:53,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:18:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-13 11:18:53,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-13 11:18:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:18:53,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:54,526 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:18:54,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:54,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:54,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:54,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:54,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 11:18:54,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:54,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:54,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:18:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:54,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:54,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:54,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:54,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:54,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:54,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:54,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:54,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:18:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:54,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:54,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:54,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:54,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:54,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:54,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:54,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:54,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:18:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:54,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:54,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:54,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:54,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:18:54,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:54,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:54,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:54,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:54,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:54,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:18:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:54,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:54,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:18:54,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:54,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:54,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:54,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:54,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:18:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:54,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:54,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:18:54,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:18:54,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-13 11:18:54,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:54,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:54,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:54,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:54,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:54,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:54,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:54,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:54,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:54,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:54,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:54,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:54,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:54,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:54,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:54,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:54,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:18:54,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:54,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:54,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:54,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:55,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:55,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:55,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:55,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:18:55,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:18:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:18:55,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:18:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-13 11:18:55,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:18:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:18:55,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:18:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:18:55,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:55,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:18:55,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:18:55,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:18:55,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:18:55,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:18:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:18:55,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:55,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:18:55,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 11:18:55,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:55,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:18:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:18:55,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:55,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:55,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:55,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:55,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 11:18:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:18:55,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:55,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:18:55,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:18:55,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:55,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:18:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:55,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:55,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:55,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:55,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:18:55,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:55,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 11:18:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:55,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:55,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:55,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:55,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:55,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:55,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 11:18:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:55,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:55,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:18:55,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:55,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:55,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:18:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:18:55,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:18:55,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:18:55,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:55,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:18:55,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:55,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:18:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:18:55,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:18:55,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:18:55,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:18:55,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:18:55,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:18:55,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:18:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:18:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:18:55,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:18:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:18:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:18:55,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258692348] [2020-10-13 11:18:55,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:18:55,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:18:55,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908372561] [2020-10-13 11:18:55,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:18:55,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:18:55,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:18:55,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:18:55,680 INFO L87 Difference]: Start difference. First operand 746 states and 1186 transitions. Second operand 8 states. [2020-10-13 11:18:57,533 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:18:58,237 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:18:59,754 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:14,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:19:14,832 INFO L93 Difference]: Finished difference Result 1719 states and 2849 transitions. [2020-10-13 11:19:14,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:19:14,833 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-10-13 11:19:14,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:19:14,841 INFO L225 Difference]: With dead ends: 1719 [2020-10-13 11:19:14,841 INFO L226 Difference]: Without dead ends: 997 [2020-10-13 11:19:14,846 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:19:14,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2020-10-13 11:19:15,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 751. [2020-10-13 11:19:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2020-10-13 11:19:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1189 transitions. [2020-10-13 11:19:15,052 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1189 transitions. Word has length 117 [2020-10-13 11:19:15,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:19:15,052 INFO L479 AbstractCegarLoop]: Abstraction has 751 states and 1189 transitions. [2020-10-13 11:19:15,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:19:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1189 transitions. [2020-10-13 11:19:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-13 11:19:15,056 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:19:15,057 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:19:15,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:19:15,057 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:19:15,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:19:15,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1656132572, now seen corresponding path program 1 times [2020-10-13 11:19:15,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:19:15,058 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131793015] [2020-10-13 11:19:15,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:19:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:15,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:15,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:15,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:15,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:16,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:17,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:20,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:20,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-13 11:19:20,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:19:20,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-13 11:19:20,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:20,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 11:19:20,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:19:20,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:21,195 WARN L193 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:19:21,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:21,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:21,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:21,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-13 11:19:21,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:21,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:21,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:21,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:19:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:21,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:21,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:21,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:21,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:21,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:21,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:21,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:21,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:21,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:21,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:19:21,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:21,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:21,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:21,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:19:21,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:21,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:21,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:21,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:21,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:21,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:21,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:21,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:19:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:21,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:21,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:21,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:21,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:21,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:21,464 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-13 11:19:21,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:19:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:21,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:19:21,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:21,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-13 11:19:21,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:21,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:21,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:21,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:21,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:21,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:21,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:19:21,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:21,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:21,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:21,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:21,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:21,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:21,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:21,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:19:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:21,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:19:21,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:21,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 11:19:21,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:21,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:21,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:21,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:21,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:21,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:19:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:21,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:21,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:21,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:21,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:21,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:21,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:21,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:21,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:21,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:19:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:21,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:21,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-13 11:19:22,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:22,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-10-13 11:19:22,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:22,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:19:22,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:19:22,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:22,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:22,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:22,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:22,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:22,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:22,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:22,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:22,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:19:22,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:22,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:19:22,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:19:22,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:19:22,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:22,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:19:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:22,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:22,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:22,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:19:22,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:19:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:22,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:19:22,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:22,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 11:19:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:19:22,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:19:22,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:19:22,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:22,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:22,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:22,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:22,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:22,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 11:19:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:22,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:22,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:22,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:22,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:22,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:22,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 11:19:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:22,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:22,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:19:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:22,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:22,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:22,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:19:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:22,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:22,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:22,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:19:22,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:22,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:22,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 11:19:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:22,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:22,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:22,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:22,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:22,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:22,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:22,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:22,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:22,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:22,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 11:19:22,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131793015] [2020-10-13 11:19:22,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:19:22,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:19:22,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006508679] [2020-10-13 11:19:22,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:19:22,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:19:22,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:19:22,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:19:22,369 INFO L87 Difference]: Start difference. First operand 751 states and 1189 transitions. Second operand 8 states. [2020-10-13 11:19:23,969 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:24,703 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:19:25,878 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:40,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:19:40,048 INFO L93 Difference]: Finished difference Result 1746 states and 2889 transitions. [2020-10-13 11:19:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 11:19:40,049 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 118 [2020-10-13 11:19:40,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:19:40,056 INFO L225 Difference]: With dead ends: 1746 [2020-10-13 11:19:40,056 INFO L226 Difference]: Without dead ends: 1021 [2020-10-13 11:19:40,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:19:40,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-10-13 11:19:40,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 770. [2020-10-13 11:19:40,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-10-13 11:19:40,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1208 transitions. [2020-10-13 11:19:40,217 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1208 transitions. Word has length 118 [2020-10-13 11:19:40,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:19:40,218 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 1208 transitions. [2020-10-13 11:19:40,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:19:40,218 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1208 transitions. [2020-10-13 11:19:40,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-13 11:19:40,220 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:19:40,221 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:19:40,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:19:40,221 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:19:40,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:19:40,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1578488032, now seen corresponding path program 1 times [2020-10-13 11:19:40,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:19:40,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404659306] [2020-10-13 11:19:40,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:19:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:40,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:40,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:40,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:40,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:41,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:42,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:45,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:45,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-13 11:19:45,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:19:45,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 11:19:45,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:19:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-13 11:19:45,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:19:45,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,091 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:19:46,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:46,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:19:46,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:19:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:46,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:46,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:46,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:46,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:19:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:46,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:46,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:19:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:19:46,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:46,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:19:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 11:19:46,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:46,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-13 11:19:46,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:19:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:19:46,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:19:46,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:46,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:19:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:19:46,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:19:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 11:19:46,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 11:19:46,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:19:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:19:46,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:19:46,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-13 11:19:46,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:46,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:19:46,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:19:46,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:19:46,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 11:19:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:19:46,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:19:46,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-13 11:19:46,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-13 11:19:46,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:19:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:46,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:46,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:19:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:19:46,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:19:46,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:46,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:19:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:19:46,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:46,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 11:19:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:19:46,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:19:46,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:19:46,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:19:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:46,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:46,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:19:46,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 11:19:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:46,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:46,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:46,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:19:46,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 11:19:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:46,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:46,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:46,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:46,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 11:19:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:19:46,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:19:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:19:46,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:19:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:19:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:19:46,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:19:46,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:19:46,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:19:46,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:19:46,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:19:46,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:19:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:19:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:19:46,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:19:46,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:19:46,862 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-13 11:19:46,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404659306] [2020-10-13 11:19:46,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:19:46,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 11:19:46,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41720619] [2020-10-13 11:19:46,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:19:46,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:19:46,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:19:46,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:19:46,865 INFO L87 Difference]: Start difference. First operand 770 states and 1208 transitions. Second operand 13 states. [2020-10-13 11:19:48,621 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:49,376 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:50,103 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:50,864 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:19:51,599 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:19:52,461 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:10,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:20:10,643 INFO L93 Difference]: Finished difference Result 1767 states and 2899 transitions. [2020-10-13 11:20:10,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 11:20:10,644 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 119 [2020-10-13 11:20:10,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:20:10,652 INFO L225 Difference]: With dead ends: 1767 [2020-10-13 11:20:10,652 INFO L226 Difference]: Without dead ends: 1037 [2020-10-13 11:20:10,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2020-10-13 11:20:10,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2020-10-13 11:20:10,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 770. [2020-10-13 11:20:10,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-10-13 11:20:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1207 transitions. [2020-10-13 11:20:10,826 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1207 transitions. Word has length 119 [2020-10-13 11:20:10,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:20:10,826 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 1207 transitions. [2020-10-13 11:20:10,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:20:10,826 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1207 transitions. [2020-10-13 11:20:10,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-13 11:20:10,829 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:20:10,829 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:20:10,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:20:10,829 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:20:10,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:20:10,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1539441712, now seen corresponding path program 1 times [2020-10-13 11:20:10,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:20:10,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297095326] [2020-10-13 11:20:10,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:20:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:10,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:11,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:15,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:15,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 175 [2020-10-13 11:20:15,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:20:15,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-13 11:20:15,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:15,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:20:15,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:20:15,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:20:15,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:16,698 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:20:16,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:20:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:16,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:16,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:16,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:16,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 11:20:16,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:16,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:16,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:20:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:16,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:16,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:20:16,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:16,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:16,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:16,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:16,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:16,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:16,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:16,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:20:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:16,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:16,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:20:16,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:16,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:16,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:16,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:16,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:16,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:16,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:16,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:20:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:16,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:16,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:16,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:16,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:16,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:16,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:16,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:16,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:16,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:16,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:20:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:16,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:16,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:20:16,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:16,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:16,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:16,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:16,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:16,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:20:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:16,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:16,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:20:16,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:20:16,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-13 11:20:16,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:16,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:16,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:16,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:20:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:16,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:16,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:20:16,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:16,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:16,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:16,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:16,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:16,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:20:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:16,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:16,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:16,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:20:16,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:16,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:20:16,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:16,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:16,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:16,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:16,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:20:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:20:17,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:17,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:17,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:17,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:17,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:17,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:20:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:20:17,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:20:17,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 11:20:17,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:20:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 11:20:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:20:17,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:20:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:20:17,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:20:17,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:20:17,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:17,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:20:17,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:20:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:20:17,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:20:17,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 11:20:17,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:20:17,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:20:17,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 11:20:17,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:20:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:20:17,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:20:17,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:20:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:20:17,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:20:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:20:17,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:17,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:20:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:20:17,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:17,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:17,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:17,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:17,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:17,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 11:20:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:17,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:17,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:17,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:20:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:17,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 11:20:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:20:17,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:20:17,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:20:17,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:20:17,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:20:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:20:17,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:20:17,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:20:17,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:20:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:17,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 11:20:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:17,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:17,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:17,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:17,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:17,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:17,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:20:17,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:17,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-13 11:20:17,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297095326] [2020-10-13 11:20:17,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:20:17,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:20:17,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151418006] [2020-10-13 11:20:17,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:20:17,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:20:17,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:20:17,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:20:17,367 INFO L87 Difference]: Start difference. First operand 770 states and 1207 transitions. Second operand 13 states. [2020-10-13 11:20:19,116 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:20,011 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:21,197 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:21,999 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:22,806 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:23,659 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:20:24,475 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:25,265 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:20:42,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:20:42,781 INFO L93 Difference]: Finished difference Result 1710 states and 2808 transitions. [2020-10-13 11:20:42,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 11:20:42,782 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 121 [2020-10-13 11:20:42,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:20:42,789 INFO L225 Difference]: With dead ends: 1710 [2020-10-13 11:20:42,789 INFO L226 Difference]: Without dead ends: 1043 [2020-10-13 11:20:42,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=175, Invalid=755, Unknown=0, NotChecked=0, Total=930 [2020-10-13 11:20:42,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2020-10-13 11:20:42,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 780. [2020-10-13 11:20:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2020-10-13 11:20:42,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1220 transitions. [2020-10-13 11:20:42,963 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1220 transitions. Word has length 121 [2020-10-13 11:20:42,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:20:42,963 INFO L479 AbstractCegarLoop]: Abstraction has 780 states and 1220 transitions. [2020-10-13 11:20:42,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:20:42,964 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1220 transitions. [2020-10-13 11:20:42,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-13 11:20:42,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:20:42,966 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:20:42,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:20:42,966 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:20:42,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:20:42,967 INFO L82 PathProgramCache]: Analyzing trace with hash -849625098, now seen corresponding path program 1 times [2020-10-13 11:20:42,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:20:42,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405672425] [2020-10-13 11:20:42,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:20:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:43,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:43,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:43,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:43,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:44,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:44,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:45,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:48,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:48,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-13 11:20:48,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:20:48,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-13 11:20:48,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:20:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 11:20:48,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:20:48,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:48,817 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2020-10-13 11:20:48,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:20:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:48,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:48,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:48,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:48,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:48,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:20:48,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:48,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:48,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:48,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:20:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:48,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:48,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:48,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:20:48,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:48,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:48,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:48,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:48,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:20:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:48,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:48,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:48,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:20:48,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:48,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:48,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:48,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:48,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:20:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:48,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:48,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:48,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:48,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:48,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:48,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:48,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:48,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:20:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:48,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:48,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:48,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:20:48,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:48,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:48,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 11:20:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:48,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:48,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-13 11:20:49,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:20:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-10-13 11:20:49,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:20:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:20:49,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:49,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:49,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 11:20:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 11:20:49,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:49,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:20:49,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:49,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:20:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:20:49,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:49,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 11:20:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 11:20:49,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:20:49,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-10-13 11:20:49,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:20:49,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:20:49,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 11:20:49,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:20:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 11:20:49,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:20:49,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:20:49,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:20:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:20:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:20:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:20:49,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:20:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-13 11:20:49,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:49,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:20:49,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:20:49,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 11:20:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:20:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:49,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:20:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:20:49,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:49,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:20:49,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:20:49,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:20:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:49,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:49,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:49,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:20:49,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 11:20:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:49,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:49,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:20:49,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:20:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:20:49,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:20:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:20:49,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:20:49,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:20:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:20:49,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:20:49,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:20:49,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-13 11:20:49,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 11:20:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:20:49,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:20:49,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:20:49,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:20:49,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:20:49,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:20:49,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:20:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:20:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:20:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:20:49,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:20:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 11:20:49,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405672425] [2020-10-13 11:20:49,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:20:49,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:20:49,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111504685] [2020-10-13 11:20:49,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:20:49,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:20:49,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:20:49,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:20:49,758 INFO L87 Difference]: Start difference. First operand 780 states and 1220 transitions. Second operand 8 states. [2020-10-13 11:20:51,341 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-13 11:20:52,547 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-13 11:21:06,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:21:06,630 INFO L93 Difference]: Finished difference Result 1752 states and 2874 transitions. [2020-10-13 11:21:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:21:06,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-10-13 11:21:06,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:21:06,638 INFO L225 Difference]: With dead ends: 1752 [2020-10-13 11:21:06,638 INFO L226 Difference]: Without dead ends: 1033 [2020-10-13 11:21:06,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:21:06,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2020-10-13 11:21:06,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 780. [2020-10-13 11:21:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2020-10-13 11:21:06,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1214 transitions. [2020-10-13 11:21:06,920 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1214 transitions. Word has length 122 [2020-10-13 11:21:06,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:21:06,921 INFO L479 AbstractCegarLoop]: Abstraction has 780 states and 1214 transitions. [2020-10-13 11:21:06,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:21:06,921 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1214 transitions. [2020-10-13 11:21:06,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 11:21:06,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:21:06,925 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:21:06,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 11:21:06,926 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:21:06,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:21:06,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1278811771, now seen corresponding path program 1 times [2020-10-13 11:21:06,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:21:06,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [464002932] [2020-10-13 11:21:06,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:21:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:21:07,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:07,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:21:08,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking...