/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:26:35,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:26:35,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:26:35,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:26:35,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:26:35,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:26:35,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:26:35,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:26:35,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:26:35,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:26:35,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:26:35,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:26:35,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:26:35,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:26:35,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:26:35,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:26:35,958 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:26:35,959 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:26:35,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:26:35,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:26:35,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:26:35,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:26:35,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:26:35,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:26:35,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:26:35,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:26:35,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:26:35,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:26:35,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:26:35,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:26:35,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:26:35,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:26:35,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:26:35,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:26:36,000 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:26:36,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:26:36,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:26:36,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:26:36,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:26:36,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:26:36,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:26:36,004 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:26:36,030 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:26:36,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:26:36,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:26:36,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:26:36,032 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:26:36,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:26:36,032 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:26:36,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:26:36,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:26:36,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:26:36,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:26:36,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:26:36,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:26:36,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:26:36,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:26:36,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:26:36,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:26:36,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:26:36,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:26:36,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:26:36,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:26:36,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:26:36,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:26:36,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:26:36,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:26:36,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:26:36,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:26:36,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:26:36,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:26:36,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:26:36,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:26:36,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:26:36,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:26:36,541 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:26:36,541 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:26:36,542 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_25-1.c [2020-09-25 05:26:36,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6418e1758/f835484fb8b542a3ab45b65997cca0cc/FLAGc4b331998 [2020-09-25 05:26:37,213 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:26:37,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_25-1.c [2020-09-25 05:26:37,221 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6418e1758/f835484fb8b542a3ab45b65997cca0cc/FLAGc4b331998 [2020-09-25 05:26:37,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6418e1758/f835484fb8b542a3ab45b65997cca0cc [2020-09-25 05:26:37,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:26:37,566 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:26:37,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:26:37,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:26:37,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:26:37,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:26:37" (1/1) ... [2020-09-25 05:26:37,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c82f562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37, skipping insertion in model container [2020-09-25 05:26:37,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:26:37" (1/1) ... [2020-09-25 05:26:37,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:26:37,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:26:37,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:26:37,848 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:26:37,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:26:37,886 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:26:37,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37 WrapperNode [2020-09-25 05:26:37,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:26:37,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:26:37,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:26:37,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:26:37,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37" (1/1) ... [2020-09-25 05:26:37,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37" (1/1) ... [2020-09-25 05:26:37,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37" (1/1) ... [2020-09-25 05:26:37,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37" (1/1) ... [2020-09-25 05:26:37,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37" (1/1) ... [2020-09-25 05:26:37,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37" (1/1) ... [2020-09-25 05:26:37,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37" (1/1) ... [2020-09-25 05:26:37,924 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:26:37,925 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:26:37,925 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:26:37,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:26:37,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:26:38,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:26:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:26:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-09-25 05:26:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:26:38,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:26:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:26:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-09-25 05:26:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:26:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:26:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:26:38,320 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:26:38,320 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 05:26:38,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:26:38 BoogieIcfgContainer [2020-09-25 05:26:38,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:26:38,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:26:38,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:26:38,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:26:38,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:26:37" (1/3) ... [2020-09-25 05:26:38,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22eb6c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:26:38, skipping insertion in model container [2020-09-25 05:26:38,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:26:37" (2/3) ... [2020-09-25 05:26:38,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22eb6c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:26:38, skipping insertion in model container [2020-09-25 05:26:38,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:26:38" (3/3) ... [2020-09-25 05:26:38,367 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_25-1.c [2020-09-25 05:26:38,393 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:26:38,405 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:26:38,439 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:26:38,469 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:26:38,469 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:26:38,470 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:26:38,470 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:26:38,470 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:26:38,470 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:26:38,470 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:26:38,471 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:26:38,491 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-09-25 05:26:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-25 05:26:38,498 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:26:38,500 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:26:38,500 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:26:38,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:26:38,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1756383024, now seen corresponding path program 1 times [2020-09-25 05:26:38,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:26:38,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428628424] [2020-09-25 05:26:38,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:26:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:38,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:38,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:38,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:38,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-25 05:26:38,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:26:38,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-09-25 05:26:38,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:38,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:38,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:26:38,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 05:26:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:26:38,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:26:38,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:26:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:38,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:38,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:38,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:26:38,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:26:38,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:38,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:38,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:26:38,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:38,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:26:38,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:38,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:26:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:38,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:38,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:38,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:26:38,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:26:38,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:38,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:38,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:26:38,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:38,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:26:38,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:26:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:26:39,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428628424] [2020-09-25 05:26:39,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:26:39,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:26:39,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365341821] [2020-09-25 05:26:39,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:26:39,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:26:39,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:26:39,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:26:39,046 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 5 states. [2020-09-25 05:26:39,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:26:39,171 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2020-09-25 05:26:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:26:39,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2020-09-25 05:26:39,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:26:39,187 INFO L225 Difference]: With dead ends: 44 [2020-09-25 05:26:39,187 INFO L226 Difference]: Without dead ends: 28 [2020-09-25 05:26:39,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:26:39,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-09-25 05:26:39,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-09-25 05:26:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-25 05:26:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-25 05:26:39,246 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 16 [2020-09-25 05:26:39,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:26:39,247 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-25 05:26:39,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:26:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-25 05:26:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-09-25 05:26:39,250 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:26:39,250 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:26:39,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:26:39,251 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:26:39,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:26:39,252 INFO L82 PathProgramCache]: Analyzing trace with hash -389703589, now seen corresponding path program 1 times [2020-09-25 05:26:39,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:26:39,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [456942678] [2020-09-25 05:26:39,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:26:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:39,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:39,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:39,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:39,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 05:26:39,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:26:39,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 05:26:39,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:39,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:26:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:26:39,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:26:39,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:39,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:26:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:39,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:39,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:39,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:26:39,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:26:39,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:39,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:39,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:26:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:39,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:26:39,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:39,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:26:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:39,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:39,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:39,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:26:39,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:39,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 05:26:39,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:39,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:26:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 05:26:39,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:26:39,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:26:39,514 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [456942678] [2020-09-25 05:26:39,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:26:39,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:26:39,515 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251053264] [2020-09-25 05:26:39,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:26:39,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:26:39,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:26:39,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:26:39,518 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 5 states. [2020-09-25 05:26:39,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:26:39,574 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2020-09-25 05:26:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:26:39,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-09-25 05:26:39,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:26:39,577 INFO L225 Difference]: With dead ends: 36 [2020-09-25 05:26:39,577 INFO L226 Difference]: Without dead ends: 30 [2020-09-25 05:26:39,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:26:39,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-09-25 05:26:39,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2020-09-25 05:26:39,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-09-25 05:26:39,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2020-09-25 05:26:39,587 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 17 [2020-09-25 05:26:39,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:26:39,587 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2020-09-25 05:26:39,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:26:39,588 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2020-09-25 05:26:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-09-25 05:26:39,590 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:26:39,590 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-09-25 05:26:39,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:26:39,590 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:26:39,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:26:39,591 INFO L82 PathProgramCache]: Analyzing trace with hash 50309368, now seen corresponding path program 1 times [2020-09-25 05:26:39,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:26:39,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2139581886] [2020-09-25 05:26:39,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:26:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:39,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:39,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:39,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:39,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:41,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:41,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-25 05:26:41,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:26:41,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1936 [2020-09-25 05:26:41,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:41,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:26:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:26:41,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:26:41,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:41,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:26:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:41,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:41,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:41,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:26:41,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:41,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:26:41,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:41,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:41,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:26:41,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:41,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:26:41,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:41,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:26:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:41,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:41,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:41,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:41,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:41,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 05:26:41,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:26:41,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-09-25 05:26:41,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:41,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:26:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 05:26:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 05:26:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:41,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:26:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:41,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:41,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:41,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:26:41,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:41,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:26:41,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:41,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:26:41,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:41,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:26:41,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:41,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:26:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:41,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:41,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:41,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:26:41,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:41,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:26:41,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:41,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:26:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:41,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:26:41,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-25 05:26:41,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2139581886] [2020-09-25 05:26:41,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:26:41,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 05:26:41,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942159786] [2020-09-25 05:26:41,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:26:41,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:26:41,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:26:41,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:26:41,902 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 6 states. [2020-09-25 05:26:42,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:26:42,026 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2020-09-25 05:26:42,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:26:42,028 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-09-25 05:26:42,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:26:42,030 INFO L225 Difference]: With dead ends: 44 [2020-09-25 05:26:42,030 INFO L226 Difference]: Without dead ends: 38 [2020-09-25 05:26:42,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:26:42,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-09-25 05:26:42,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2020-09-25 05:26:42,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-09-25 05:26:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2020-09-25 05:26:42,055 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 33 [2020-09-25 05:26:42,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:26:42,055 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2020-09-25 05:26:42,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:26:42,056 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2020-09-25 05:26:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-25 05:26:42,060 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:26:42,060 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:26:42,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:26:42,060 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:26:42,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:26:42,061 INFO L82 PathProgramCache]: Analyzing trace with hash 765810174, now seen corresponding path program 1 times [2020-09-25 05:26:42,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:26:42,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1259141236] [2020-09-25 05:26:42,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:26:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:42,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:42,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:42,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:42,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:42,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:43,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:43,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 05:26:43,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:26:43,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1747 [2020-09-25 05:26:43,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:43,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:26:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 05:26:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 05:26:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:43,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:26:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:43,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:43,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:43,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:26:43,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:43,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:26:43,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:43,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:26:43,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:43,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:26:43,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:43,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:26:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:43,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:43,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:43,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:44,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:44,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 05:26:44,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:26:44,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 511 [2020-09-25 05:26:44,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:44,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:44,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 05:26:44,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:44,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 05:26:44,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:44,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:26:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:44,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:44,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:44,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:26:44,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:44,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:26:44,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:44,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:44,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 05:26:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:44,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:26:44,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:44,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 05:26:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:44,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:44,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:44,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:26:44,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:44,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:26:44,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:44,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:44,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:26:44,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:44,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:26:44,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-25 05:26:44,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1259141236] [2020-09-25 05:26:44,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:26:44,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 05:26:44,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653052976] [2020-09-25 05:26:44,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:26:44,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:26:44,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:26:44,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:26:44,492 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand 9 states. [2020-09-25 05:26:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:26:44,629 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2020-09-25 05:26:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:26:44,630 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2020-09-25 05:26:44,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:26:44,633 INFO L225 Difference]: With dead ends: 62 [2020-09-25 05:26:44,633 INFO L226 Difference]: Without dead ends: 56 [2020-09-25 05:26:44,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-09-25 05:26:44,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-09-25 05:26:44,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 40. [2020-09-25 05:26:44,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-09-25 05:26:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2020-09-25 05:26:44,647 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 54 transitions. Word has length 35 [2020-09-25 05:26:44,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:26:44,647 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 54 transitions. [2020-09-25 05:26:44,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:26:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2020-09-25 05:26:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-25 05:26:44,650 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:26:44,650 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:26:44,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:26:44,651 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:26:44,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:26:44,651 INFO L82 PathProgramCache]: Analyzing trace with hash -538497119, now seen corresponding path program 2 times [2020-09-25 05:26:44,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:26:44,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1706465528] [2020-09-25 05:26:44,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:26:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:44,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:44,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:44,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:44,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:44,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:44,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:45,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:45,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:47,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:48,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:48,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:49,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:49,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-25 05:26:49,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-09-25 05:26:49,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 05:26:49,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:49,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:26:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 05:26:49,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 05:26:49,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:49,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:26:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:49,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:49,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:49,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:26:49,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:49,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:26:49,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:49,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:26:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:49,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:26:49,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:49,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:26:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:49,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:49,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:49,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:49,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:49,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:49,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:50,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:51,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:52,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:53,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:53,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 05:26:53,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 05:26:53,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3627 [2020-09-25 05:26:53,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:53,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:26:53,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 05:26:53,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 05:26:53,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:53,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:26:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:53,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:53,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:53,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:26:53,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:53,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:26:53,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:53,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:26:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:26:53,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:53,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 05:26:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:53,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:53,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:53,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:53,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:53,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:53,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-25 05:26:53,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:26:53,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-09-25 05:26:53,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:53,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 05:26:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:53,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 05:26:53,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:53,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:26:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:53,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:53,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:53,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:26:53,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:53,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:26:53,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:53,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:26:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:53,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:26:53,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:53,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 05:26:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:53,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:53,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:53,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:26:53,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:53,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:26:53,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:53,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:26:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:53,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:26:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 20 proven. 23 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-25 05:26:53,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1706465528] [2020-09-25 05:26:53,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:26:53,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-25 05:26:53,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848819772] [2020-09-25 05:26:53,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:26:53,814 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:26:53,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:26:53,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:26:53,815 INFO L87 Difference]: Start difference. First operand 40 states and 54 transitions. Second operand 8 states. [2020-09-25 05:26:54,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:26:54,049 INFO L93 Difference]: Finished difference Result 64 states and 97 transitions. [2020-09-25 05:26:54,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-25 05:26:54,051 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2020-09-25 05:26:54,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:26:54,055 INFO L225 Difference]: With dead ends: 64 [2020-09-25 05:26:54,058 INFO L226 Difference]: Without dead ends: 58 [2020-09-25 05:26:54,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-25 05:26:54,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-09-25 05:26:54,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 48. [2020-09-25 05:26:54,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-09-25 05:26:54,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2020-09-25 05:26:54,078 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 53 [2020-09-25 05:26:54,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:26:54,078 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2020-09-25 05:26:54,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:26:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2020-09-25 05:26:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-09-25 05:26:54,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:26:54,092 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:26:54,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:26:54,093 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:26:54,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:26:54,093 INFO L82 PathProgramCache]: Analyzing trace with hash 259277880, now seen corresponding path program 2 times [2020-09-25 05:26:54,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:26:54,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [743377675] [2020-09-25 05:26:54,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:26:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:54,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:54,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:54,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:54,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:54,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:54,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:54,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:54,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:54,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:55,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:55,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:55,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:55,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:56,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:56,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:56,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:56,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:57,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:57,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:57,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:58,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:59,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:59,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-09-25 05:26:59,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-09-25 05:26:59,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 05:26:59,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:59,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:26:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-09-25 05:26:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:26:59,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:59,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:26:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:59,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:59,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:26:59,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:26:59,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:26:59,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:26:59,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:26:59,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:26:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:26:59,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:26:59,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:26:59,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:26:59,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:26:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:26:59,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:59,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:59,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:59,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:59,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:59,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:59,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:26:59,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:00,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:01,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:01,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:01,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:01,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:01,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:01,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:03,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:03,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:03,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:04,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:04,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-09-25 05:27:04,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-09-25 05:27:04,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 05:27:04,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:04,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:04,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:27:04,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 05:27:04,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:27:04,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:04,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:04,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:04,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:04,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:04,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:04,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:05,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:05,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:05,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:05,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:09,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-25 05:27:09,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 05:27:09,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:27:09,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:09,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:09,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:27:09,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-25 05:27:09,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:27:09,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:09,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:09,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 05:27:09,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:27:09,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 05:27:09,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:09,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:09,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:09,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:09,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:09,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:09,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:09,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:09,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:09,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:27:09,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:09,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:27:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:09,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:09,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:09,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:09,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:27:09,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:09,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:09,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:09,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:09,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:09,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:09,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:27:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:09,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:09,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 05:27:09,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:09,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 05:27:09,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:09,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:27:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:27:09,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:27:09,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:09,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:09,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:09,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:09,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:27:09,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:09,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:27:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 05:27:09,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:27:09,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:09,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:27:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:09,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:09,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:09,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:27:09,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:09,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:09,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:27:09,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:09,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:09,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 05:27:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:09,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:09,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:11,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:11,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:14,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-25 05:27:14,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-09-25 05:27:14,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:27:14,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:14,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-09-25 05:27:14,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:14,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:14,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:14,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:14,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 05:27:14,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:27:14,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-09-25 05:27:14,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:14,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:14,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:14,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:14,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:14,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:14,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:14,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:14,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:14,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:14,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:27:14,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:14,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:14,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:14,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:14,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:27:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:14,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:14,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:14,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:14,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:27:14,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:14,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:14,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:14,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:14,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:27:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:14,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:14,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-09-25 05:27:14,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:27:14,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-25 05:27:14,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:14,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:14,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:14,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:14,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:14,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:14,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:14,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:14,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:14,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:27:14,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:14,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:14,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:14,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:14,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:27:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:14,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:14,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:14,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:14,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:27:14,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:14,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:14,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:14,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:14,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:14,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:14,535 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 96 proven. 99 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2020-09-25 05:27:14,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [743377675] [2020-09-25 05:27:14,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:27:14,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-09-25 05:27:14,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609332156] [2020-09-25 05:27:14,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 05:27:14,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:27:14,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 05:27:14,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-09-25 05:27:14,538 INFO L87 Difference]: Start difference. First operand 48 states and 67 transitions. Second operand 6 states. [2020-09-25 05:27:14,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:27:14,655 INFO L93 Difference]: Finished difference Result 92 states and 148 transitions. [2020-09-25 05:27:14,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-25 05:27:14,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2020-09-25 05:27:14,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:27:14,657 INFO L225 Difference]: With dead ends: 92 [2020-09-25 05:27:14,658 INFO L226 Difference]: Without dead ends: 50 [2020-09-25 05:27:14,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:27:14,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-09-25 05:27:14,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2020-09-25 05:27:14,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-09-25 05:27:14,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2020-09-25 05:27:14,686 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 135 [2020-09-25 05:27:14,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:27:14,686 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2020-09-25 05:27:14,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 05:27:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2020-09-25 05:27:14,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 05:27:14,692 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:27:14,695 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:27:14,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 05:27:14,695 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:27:14,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:27:14,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1596904702, now seen corresponding path program 1 times [2020-09-25 05:27:14,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:27:14,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [78586913] [2020-09-25 05:27:14,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:27:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:14,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:15,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:15,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:16,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:16,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:17,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:18,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:18,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:18,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:19,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:19,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-09-25 05:27:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-09-25 05:27:19,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 05:27:19,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:19,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:27:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-09-25 05:27:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 05:27:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:19,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:27:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:19,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:19,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:19,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:27:19,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:19,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:27:19,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:19,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:19,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:19,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:19,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:19,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:19,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:27:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:19,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:19,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:19,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:19,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:19,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:20,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:20,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:20,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:20,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:20,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:20,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:20,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:21,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:21,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:24,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:24,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-25 05:27:24,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-09-25 05:27:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 05:27:24,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:24,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:27:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-25 05:27:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 05:27:24,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:24,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:24,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:24,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:24,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:24,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:25,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:25,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:25,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:25,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:25,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:26,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:26,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:26,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:26,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:27,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:27,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:28,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:28,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:28,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:29,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:29,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-25 05:27:29,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-09-25 05:27:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:27:29,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:29,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:27:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 05:27:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 05:27:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:29,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:29,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:29,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:29,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:30,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 05:27:30,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:27:30,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 404 [2020-09-25 05:27:30,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:30,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:27:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:30,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 05:27:30,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:30,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:30,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:30,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:27:30,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:30,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:27:30,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:30,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:30,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:27:30,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:30,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:27:30,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:30,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 05:27:30,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:30,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:30,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:30,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:30,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:27:30,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:30,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:30,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:27:30,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:30,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:27:30,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:30,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-25 05:27:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:30,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:30,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:31,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:31,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 05:27:31,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 05:27:31,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1490 [2020-09-25 05:27:31,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:31,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:27:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 05:27:31,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 05:27:31,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:27:31,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:31,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:31,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:31,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:27:31,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:31,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:27:31,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:31,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:31,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:27:31,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:31,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:27:31,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:31,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 05:27:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:31,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:31,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:31,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 05:27:31,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:31,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 05:27:31,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:31,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:27:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:31,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 05:27:31,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:31,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:27:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:31,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:31,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:31,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:27:31,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:31,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:27:31,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:31,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:31,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:31,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:31,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-25 05:27:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:31,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:31,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:27:31,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:27:31,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:27:31,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:27:31,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:27:31,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:27:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:27:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:27:31,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:27:31,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:27:31,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-25 05:27:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:27:31,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:32,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:32,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:32,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:32,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:32,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:32,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:32,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:27:32,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking...