/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/id_i25_o25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 02:10:21,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 02:10:21,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 02:10:21,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 02:10:21,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 02:10:21,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 02:10:21,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 02:10:21,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 02:10:21,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 02:10:21,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 02:10:21,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 02:10:21,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 02:10:21,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 02:10:21,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 02:10:21,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 02:10:21,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 02:10:21,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 02:10:21,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 02:10:21,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 02:10:21,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 02:10:21,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 02:10:21,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 02:10:21,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 02:10:21,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 02:10:21,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 02:10:21,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 02:10:21,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 02:10:21,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 02:10:21,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 02:10:21,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 02:10:21,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 02:10:21,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 02:10:21,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 02:10:21,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 02:10:21,587 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 02:10:21,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 02:10:21,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 02:10:21,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 02:10:21,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 02:10:21,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 02:10:21,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 02:10:21,591 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 02:10:21,612 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 02:10:21,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 02:10:21,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 02:10:21,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 02:10:21,614 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 02:10:21,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 02:10:21,615 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 02:10:21,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 02:10:21,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 02:10:21,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 02:10:21,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 02:10:21,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 02:10:21,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 02:10:21,616 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 02:10:21,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 02:10:21,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 02:10:21,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 02:10:21,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 02:10:21,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 02:10:21,620 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 02:10:21,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 02:10:21,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:10:21,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 02:10:21,621 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 02:10:21,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 02:10:21,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 02:10:21,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 02:10:21,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 02:10:21,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 02:10:21,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 02:10:21,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 02:10:21,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 02:10:21,947 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 02:10:21,949 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 02:10:21,949 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 02:10:21,950 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/id_i25_o25-1.c [2020-10-15 02:10:22,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55b3b3a94/93ae224ef855483aabd1bde1662acb19/FLAG77592e6ed [2020-10-15 02:10:22,432 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 02:10:22,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/id_i25_o25-1.c [2020-10-15 02:10:22,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55b3b3a94/93ae224ef855483aabd1bde1662acb19/FLAG77592e6ed [2020-10-15 02:10:22,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/55b3b3a94/93ae224ef855483aabd1bde1662acb19 [2020-10-15 02:10:22,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 02:10:22,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 02:10:22,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 02:10:22,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 02:10:22,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 02:10:22,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:10:22" (1/1) ... [2020-10-15 02:10:22,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45368341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:22, skipping insertion in model container [2020-10-15 02:10:22,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:10:22" (1/1) ... [2020-10-15 02:10:22,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 02:10:22,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 02:10:23,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:10:23,049 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 02:10:23,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 02:10:23,078 INFO L208 MainTranslator]: Completed translation [2020-10-15 02:10:23,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23 WrapperNode [2020-10-15 02:10:23,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 02:10:23,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 02:10:23,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 02:10:23,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 02:10:23,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23" (1/1) ... [2020-10-15 02:10:23,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23" (1/1) ... [2020-10-15 02:10:23,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23" (1/1) ... [2020-10-15 02:10:23,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23" (1/1) ... [2020-10-15 02:10:23,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23" (1/1) ... [2020-10-15 02:10:23,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23" (1/1) ... [2020-10-15 02:10:23,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23" (1/1) ... [2020-10-15 02:10:23,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 02:10:23,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 02:10:23,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 02:10:23,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 02:10:23,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 02:10:23,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 02:10:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 02:10:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-10-15 02:10:23,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 02:10:23,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 02:10:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 02:10:23,268 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-10-15 02:10:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 02:10:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 02:10:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 02:10:23,414 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 02:10:23,415 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 02:10:23,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:10:23 BoogieIcfgContainer [2020-10-15 02:10:23,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 02:10:23,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 02:10:23,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 02:10:23,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 02:10:23,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:10:22" (1/3) ... [2020-10-15 02:10:23,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d87c01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:10:23, skipping insertion in model container [2020-10-15 02:10:23,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:10:23" (2/3) ... [2020-10-15 02:10:23,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d87c01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:10:23, skipping insertion in model container [2020-10-15 02:10:23,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:10:23" (3/3) ... [2020-10-15 02:10:23,426 INFO L109 eAbstractionObserver]: Analyzing ICFG id_i25_o25-1.c [2020-10-15 02:10:23,436 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 02:10:23,442 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 02:10:23,456 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 02:10:23,480 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 02:10:23,480 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 02:10:23,480 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 02:10:23,480 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 02:10:23,480 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 02:10:23,481 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 02:10:23,481 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 02:10:23,481 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 02:10:23,499 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-15 02:10:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-15 02:10:23,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:23,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:23,507 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:23,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:23,514 INFO L82 PathProgramCache]: Analyzing trace with hash -872342019, now seen corresponding path program 1 times [2020-10-15 02:10:23,522 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:23,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052957553] [2020-10-15 02:10:23,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:23,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:23,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:23,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 02:10:23,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:23,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-15 02:10:23,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:23,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:23,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:10:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:10:23,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:10:23,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:23,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:23,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:23,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:23,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:23,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:10:23,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:23,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:23,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:23,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:23,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:23,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:23,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:23,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:23,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 02:10:23,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:23,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 02:10:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:23,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:10:23,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 02:10:23,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052957553] [2020-10-15 02:10:23,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 02:10:23,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 02:10:23,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249100401] [2020-10-15 02:10:23,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 02:10:23,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:23,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 02:10:23,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 02:10:23,893 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-10-15 02:10:23,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:23,967 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2020-10-15 02:10:23,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 02:10:23,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-15 02:10:23,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:23,980 INFO L225 Difference]: With dead ends: 30 [2020-10-15 02:10:23,980 INFO L226 Difference]: Without dead ends: 18 [2020-10-15 02:10:23,984 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 [2020-10-15 02:10:24,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-15 02:10:24,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-15 02:10:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-15 02:10:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-10-15 02:10:24,037 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2020-10-15 02:10:24,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:24,038 INFO L479 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-10-15 02:10:24,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 02:10:24,038 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-10-15 02:10:24,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 02:10:24,040 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:24,040 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:24,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 02:10:24,041 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:24,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:24,042 INFO L82 PathProgramCache]: Analyzing trace with hash -953570577, now seen corresponding path program 1 times [2020-10-15 02:10:24,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:24,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063622580] [2020-10-15 02:10:24,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:24,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:24,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-15 02:10:24,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:24,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 156 [2020-10-15 02:10:24,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:24,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:10:24,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:24,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 02:10:24,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:24,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:24,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:24,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:24,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:24,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:10:24,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:24,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:24,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:24,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:24,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:24,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:24,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:24,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:24,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-15 02:10:24,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:24,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:24,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 02:10:24,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:24,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 02:10:24,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 02:10:24,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:24,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:24,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:24,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:24,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:10:24,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:24,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 02:10:24,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063622580] [2020-10-15 02:10:24,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:24,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-15 02:10:24,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320973283] [2020-10-15 02:10:24,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 02:10:24,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:24,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 02:10:24,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-15 02:10:24,432 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 6 states. [2020-10-15 02:10:24,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:24,482 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-10-15 02:10:24,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 02:10:24,483 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-10-15 02:10:24,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:24,484 INFO L225 Difference]: With dead ends: 25 [2020-10-15 02:10:24,484 INFO L226 Difference]: Without dead ends: 21 [2020-10-15 02:10:24,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:10:24,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-10-15 02:10:24,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-10-15 02:10:24,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-15 02:10:24,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-15 02:10:24,493 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 19 [2020-10-15 02:10:24,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:24,493 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-15 02:10:24,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 02:10:24,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2020-10-15 02:10:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-15 02:10:24,495 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:24,495 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:24,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 02:10:24,495 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:24,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:24,496 INFO L82 PathProgramCache]: Analyzing trace with hash 397359997, now seen corresponding path program 2 times [2020-10-15 02:10:24,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:24,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654055661] [2020-10-15 02:10:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:24,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:24,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-15 02:10:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:24,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-15 02:10:24,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:24,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:10:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 02:10:24,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:24,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:24,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:24,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:24,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:24,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:10:24,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:24,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:24,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:24,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:24,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:24,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:24,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:24,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:24,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:24,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 02:10:24,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:24,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 02:10:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:24,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 02:10:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:24,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:24,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:24,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:24,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 02:10:24,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:24,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:24,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:24,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:24,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:24,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:24,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:10:24,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:24,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:24,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:24,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:24,850 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 02:10:24,851 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654055661] [2020-10-15 02:10:24,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:24,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-15 02:10:24,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6475905] [2020-10-15 02:10:24,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-15 02:10:24,852 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:24,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-15 02:10:24,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-15 02:10:24,853 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 8 states. [2020-10-15 02:10:24,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:24,919 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2020-10-15 02:10:24,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 02:10:24,920 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2020-10-15 02:10:24,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:24,921 INFO L225 Difference]: With dead ends: 28 [2020-10-15 02:10:24,921 INFO L226 Difference]: Without dead ends: 24 [2020-10-15 02:10:24,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:10:24,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-15 02:10:24,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-15 02:10:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-15 02:10:24,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-10-15 02:10:24,929 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 25 [2020-10-15 02:10:24,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:24,930 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-10-15 02:10:24,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-15 02:10:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-10-15 02:10:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-15 02:10:24,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:24,932 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:24,932 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 02:10:24,932 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:24,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:24,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1198310127, now seen corresponding path program 3 times [2020-10-15 02:10:24,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:24,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692106625] [2020-10-15 02:10:24,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:24,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 02:10:25,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-15 02:10:25,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:10:25,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:25,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 02:10:25,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:25,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:10:25,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:25,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:25,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-15 02:10:25,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-15 02:10:25,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:25,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-15 02:10:25,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-15 02:10:25,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:25,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-15 02:10:25,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:25,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:25,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:25,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:10:25,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:25,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:25,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:25,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:25,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:10:25,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:25,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:25,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:25,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:25,396 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-15 02:10:25,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692106625] [2020-10-15 02:10:25,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:25,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 02:10:25,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682932569] [2020-10-15 02:10:25,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:10:25,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:25,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:10:25,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:10:25,400 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 10 states. [2020-10-15 02:10:25,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:25,486 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-10-15 02:10:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 02:10:25,486 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2020-10-15 02:10:25,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:25,488 INFO L225 Difference]: With dead ends: 31 [2020-10-15 02:10:25,488 INFO L226 Difference]: Without dead ends: 27 [2020-10-15 02:10:25,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-10-15 02:10:25,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-15 02:10:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-15 02:10:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-15 02:10:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2020-10-15 02:10:25,496 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 31 [2020-10-15 02:10:25,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:25,496 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2020-10-15 02:10:25,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:10:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-10-15 02:10:25,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-15 02:10:25,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:25,498 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:25,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 02:10:25,499 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:25,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:25,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1080764669, now seen corresponding path program 4 times [2020-10-15 02:10:25,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:25,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349570832] [2020-10-15 02:10:25,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-15 02:10:25,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-15 02:10:25,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:10:25,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:25,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 02:10:25,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:25,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:25,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:10:25,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:25,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:25,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:25,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:25,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:25,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-15 02:10:25,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-15 02:10:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:25,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-15 02:10:25,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:25,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:25,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-15 02:10:25,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:25,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:25,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:25,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:25,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-15 02:10:25,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:25,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:25,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:25,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:25,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:25,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:10:25,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:25,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:25,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:25,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:25,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:25,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:25,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:25,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:10:25,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:25,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:25,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:25,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:26,023 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-15 02:10:26,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349570832] [2020-10-15 02:10:26,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:26,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-15 02:10:26,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451537875] [2020-10-15 02:10:26,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 02:10:26,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:26,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 02:10:26,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-15 02:10:26,027 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 10 states. [2020-10-15 02:10:26,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:26,108 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2020-10-15 02:10:26,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 02:10:26,109 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2020-10-15 02:10:26,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:26,110 INFO L225 Difference]: With dead ends: 34 [2020-10-15 02:10:26,110 INFO L226 Difference]: Without dead ends: 30 [2020-10-15 02:10:26,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:10:26,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-15 02:10:26,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-15 02:10:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-15 02:10:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2020-10-15 02:10:26,118 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 37 [2020-10-15 02:10:26,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:26,118 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2020-10-15 02:10:26,119 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 02:10:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-10-15 02:10:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-15 02:10:26,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:26,120 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:26,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 02:10:26,121 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:26,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:26,121 INFO L82 PathProgramCache]: Analyzing trace with hash -1752970513, now seen corresponding path program 5 times [2020-10-15 02:10:26,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:26,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454384840] [2020-10-15 02:10:26,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:26,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:26,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:26,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-15 02:10:26,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:26,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-15 02:10:26,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:26,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:10:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:26,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:26,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:26,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:26,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:26,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:26,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:26,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:10:26,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:26,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:26,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:26,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:26,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:26,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:26,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:26,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:26,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:26,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:26,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:26,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-15 02:10:26,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:26,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:26,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-15 02:10:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-15 02:10:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:26,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:26,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:26,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:26,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:26,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:26,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-15 02:10:26,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:26,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:26,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:26,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:26,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:26,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:26,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:26,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:26,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:26,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:26,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-15 02:10:26,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:26,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:26,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:26,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:26,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:26,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:26,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:26,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:26,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:26,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:26,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:26,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-15 02:10:26,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:26,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:26,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 02:10:26,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:26,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:26,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:26,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:26,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:26,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 02:10:26,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:26,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:27,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:27,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:27,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:27,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:27,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:27,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:10:27,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:27,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:27,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 11 proven. 44 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-15 02:10:27,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454384840] [2020-10-15 02:10:27,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:27,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-15 02:10:27,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261122555] [2020-10-15 02:10:27,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 02:10:27,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:27,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 02:10:27,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-15 02:10:27,054 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 11 states. [2020-10-15 02:10:27,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:27,157 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2020-10-15 02:10:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 02:10:27,157 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 43 [2020-10-15 02:10:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:27,159 INFO L225 Difference]: With dead ends: 37 [2020-10-15 02:10:27,161 INFO L226 Difference]: Without dead ends: 33 [2020-10-15 02:10:27,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:10:27,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-15 02:10:27,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-15 02:10:27,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-15 02:10:27,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-10-15 02:10:27,172 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 43 [2020-10-15 02:10:27,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:27,173 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-10-15 02:10:27,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-15 02:10:27,173 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-10-15 02:10:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-15 02:10:27,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:27,180 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:27,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 02:10:27,181 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:27,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:27,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1590630787, now seen corresponding path program 6 times [2020-10-15 02:10:27,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:27,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539193225] [2020-10-15 02:10:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:27,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:27,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:27,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:27,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 02:10:27,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:27,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-15 02:10:27,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:27,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:27,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 02:10:27,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:27,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-15 02:10:27,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:27,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:27,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:27,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:27,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:27,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:27,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:10:27,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:27,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:27,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:27,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:27,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:27,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:27,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:27,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:27,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:27,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:27,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-15 02:10:27,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:27,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:27,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-15 02:10:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:27,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-15 02:10:27,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:27,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:27,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:27,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:27,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:27,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:27,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-15 02:10:27,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:27,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:27,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:27,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:27,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:27,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:27,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:27,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:27,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:27,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-15 02:10:27,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:27,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:27,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:27,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:27,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:27,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:27,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:27,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-15 02:10:27,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:27,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:27,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:27,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:27,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:27,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:27,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:27,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:27,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:27,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:27,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:27,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-15 02:10:27,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:27,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:27,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:27,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:28,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:28,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:28,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:28,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:28,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 02:10:28,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:28,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:28,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:28,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:28,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:28,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:28,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:28,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:28,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:28,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:10:28,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:28,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:28,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:28,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:28,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:28,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 10 proven. 73 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-15 02:10:28,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539193225] [2020-10-15 02:10:28,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:28,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-15 02:10:28,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361485521] [2020-10-15 02:10:28,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 02:10:28,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:28,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 02:10:28,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-15 02:10:28,125 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 13 states. [2020-10-15 02:10:28,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:28,244 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2020-10-15 02:10:28,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-15 02:10:28,245 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 49 [2020-10-15 02:10:28,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:28,246 INFO L225 Difference]: With dead ends: 40 [2020-10-15 02:10:28,246 INFO L226 Difference]: Without dead ends: 36 [2020-10-15 02:10:28,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:10:28,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-15 02:10:28,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2020-10-15 02:10:28,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-10-15 02:10:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2020-10-15 02:10:28,254 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 49 [2020-10-15 02:10:28,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:28,254 INFO L479 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2020-10-15 02:10:28,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 02:10:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-10-15 02:10:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-15 02:10:28,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:28,255 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:28,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 02:10:28,256 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:28,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:28,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1532150511, now seen corresponding path program 7 times [2020-10-15 02:10:28,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:28,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398973063] [2020-10-15 02:10:28,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:28,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:28,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:28,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-15 02:10:28,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:28,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-15 02:10:28,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:28,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:10:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-15 02:10:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:28,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:28,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:28,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:28,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:28,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:10:28,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:28,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:28,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:28,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:28,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:28,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:28,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:28,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-15 02:10:28,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:28,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-15 02:10:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-15 02:10:28,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:28,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:28,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:28,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:28,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:28,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-15 02:10:28,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:28,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:28,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:28,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:28,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:29,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:29,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:29,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:29,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:29,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-15 02:10:29,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:29,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:29,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:29,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:29,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:29,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:29,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:29,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:29,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:29,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:29,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:29,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-15 02:10:29,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:29,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:29,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:29,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:29,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:29,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:29,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:29,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:29,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:29,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:29,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:29,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 02:10:29,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:29,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:29,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:29,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:29,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:29,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:29,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:29,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:29,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:29,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:29,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-15 02:10:29,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:29,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:29,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:29,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:29,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:29,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:29,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:29,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:29,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:10:29,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:29,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:29,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:29,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:29,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:29,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:29,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:29,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:29,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:29,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:10:29,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:29,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:29,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:29,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:29,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 11 proven. 99 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-15 02:10:29,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398973063] [2020-10-15 02:10:29,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:29,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-15 02:10:29,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258687005] [2020-10-15 02:10:29,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 02:10:29,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:29,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 02:10:29,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-15 02:10:29,561 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 14 states. [2020-10-15 02:10:29,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:29,733 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2020-10-15 02:10:29,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 02:10:29,733 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2020-10-15 02:10:29,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:29,735 INFO L225 Difference]: With dead ends: 43 [2020-10-15 02:10:29,735 INFO L226 Difference]: Without dead ends: 39 [2020-10-15 02:10:29,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=300, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:10:29,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-15 02:10:29,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-15 02:10:29,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-15 02:10:29,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-10-15 02:10:29,746 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 55 [2020-10-15 02:10:29,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:29,747 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-10-15 02:10:29,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 02:10:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-10-15 02:10:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-15 02:10:29,749 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:29,749 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:29,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 02:10:29,751 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:29,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:29,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1140618237, now seen corresponding path program 8 times [2020-10-15 02:10:29,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:29,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427153755] [2020-10-15 02:10:29,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:29,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:29,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:29,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-15 02:10:29,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:29,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-15 02:10:29,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:29,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:29,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-15 02:10:29,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:29,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-15 02:10:29,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:30,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:30,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:30,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:30,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:30,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:30,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:10:30,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:30,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:30,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:30,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:30,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:30,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:30,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:30,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:30,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-15 02:10:30,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:30,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:30,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-15 02:10:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:30,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-15 02:10:30,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:30,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:30,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:30,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:30,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:30,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:30,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-15 02:10:30,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:30,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:30,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:30,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:30,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:30,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:30,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:30,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:30,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:30,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-15 02:10:30,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:30,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:30,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:30,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:30,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:30,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:30,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:30,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:30,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:30,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:30,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 02:10:30,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:30,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:30,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:30,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:30,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:30,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:30,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:30,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:30,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:30,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-15 02:10:30,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:30,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:30,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:30,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:30,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:30,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:30,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:30,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:30,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:30,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:10:30,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:30,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:30,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:30,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:30,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:30,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:31,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:31,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:31,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:31,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 02:10:31,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:31,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:31,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:31,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:31,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:31,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:31,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:31,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:31,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:31,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:31,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:10:31,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:31,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:31,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:31,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:31,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:31,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:31,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:31,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:31,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:31,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:10:31,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:31,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:31,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:31,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 12 proven. 128 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-15 02:10:31,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427153755] [2020-10-15 02:10:31,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:31,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-15 02:10:31,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537952907] [2020-10-15 02:10:31,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 02:10:31,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:31,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 02:10:31,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-10-15 02:10:31,194 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 15 states. [2020-10-15 02:10:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:31,338 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2020-10-15 02:10:31,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-15 02:10:31,339 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 61 [2020-10-15 02:10:31,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:31,340 INFO L225 Difference]: With dead ends: 46 [2020-10-15 02:10:31,341 INFO L226 Difference]: Without dead ends: 42 [2020-10-15 02:10:31,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=361, Unknown=0, NotChecked=0, Total=552 [2020-10-15 02:10:31,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-15 02:10:31,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-15 02:10:31,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-15 02:10:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-15 02:10:31,347 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 61 [2020-10-15 02:10:31,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:31,348 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-15 02:10:31,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 02:10:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-15 02:10:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-15 02:10:31,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:31,349 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:31,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 02:10:31,349 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:31,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:31,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1749177617, now seen corresponding path program 9 times [2020-10-15 02:10:31,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:31,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545764524] [2020-10-15 02:10:31,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:31,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:31,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:31,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-15 02:10:31,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:31,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-15 02:10:31,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:31,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:10:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 02:10:31,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:31,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:31,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:31,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:31,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:31,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:31,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:10:31,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:31,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:31,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:31,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:31,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:31,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:31,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:31,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:31,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:31,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-15 02:10:31,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:31,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:31,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-15 02:10:31,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:31,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-15 02:10:31,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:31,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:31,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:32,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:32,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:32,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:32,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-15 02:10:32,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:32,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:32,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:32,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:32,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:32,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:32,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:32,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:32,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:32,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:32,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-15 02:10:32,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:32,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:32,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:32,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:32,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:32,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:32,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:32,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:32,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:32,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:32,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-15 02:10:32,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:32,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:32,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:32,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:32,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:32,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:32,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:32,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:32,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:32,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-15 02:10:32,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:32,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:32,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:32,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:32,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:32,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:32,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:32,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:32,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:32,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:32,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 02:10:32,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:32,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:32,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:32,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:32,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:32,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:32,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:32,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:32,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:32,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-15 02:10:32,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:32,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:32,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:32,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:32,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 18 [2020-10-15 02:10:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:32,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:32,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:32,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:32,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:32,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:10:32,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:32,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:32,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:32,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:32,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:32,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:32,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:32,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:32,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:32,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:32,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:32,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:10:32,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:32,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:32,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:32,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:32,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:32,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:32,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:32,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:10:32,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:32,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:32,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:32,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 18 proven. 168 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-10-15 02:10:32,941 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [545764524] [2020-10-15 02:10:32,941 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:32,941 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-15 02:10:32,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674305512] [2020-10-15 02:10:32,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 02:10:32,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:32,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 02:10:32,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:10:32,945 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 17 states. [2020-10-15 02:10:33,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:33,150 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2020-10-15 02:10:33,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-15 02:10:33,151 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 67 [2020-10-15 02:10:33,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:33,152 INFO L225 Difference]: With dead ends: 49 [2020-10-15 02:10:33,152 INFO L226 Difference]: Without dead ends: 45 [2020-10-15 02:10:33,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=243, Invalid=459, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:10:33,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-15 02:10:33,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2020-10-15 02:10:33,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-15 02:10:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2020-10-15 02:10:33,167 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 67 [2020-10-15 02:10:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:33,167 INFO L479 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2020-10-15 02:10:33,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 02:10:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2020-10-15 02:10:33,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-15 02:10:33,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:33,169 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:33,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 02:10:33,169 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:33,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:33,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1580609155, now seen corresponding path program 10 times [2020-10-15 02:10:33,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:33,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978835422] [2020-10-15 02:10:33,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:33,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:33,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:33,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:33,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-15 02:10:33,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:33,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-10-15 02:10:33,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:33,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-15 02:10:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:33,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-15 02:10:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:33,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:33,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:33,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:33,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:33,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:33,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:33,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:10:33,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:33,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:33,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:33,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:33,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:33,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:33,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:33,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:10:33,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:33,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-15 02:10:33,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:33,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:33,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-15 02:10:33,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:33,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-15 02:10:33,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:33,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:33,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:34,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-15 02:10:34,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:10:34,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:10:34,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:34,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 173 [2020-10-15 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:34,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:34,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:34,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 140 [2020-10-15 02:10:34,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:34,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:34,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:34,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-15 02:10:34,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:34,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:34,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:34,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-15 02:10:34,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:34,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:34,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:34,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:10:34,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:34,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:34,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:34,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:10:34,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:34,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:34,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:10:34,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:34,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:34,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:34,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:10:34,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:34,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:34,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:34,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:34,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:34,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:10:34,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:34,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:34,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:34,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 30 proven. 177 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2020-10-15 02:10:34,962 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978835422] [2020-10-15 02:10:34,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:34,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-15 02:10:34,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922938631] [2020-10-15 02:10:34,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 02:10:34,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:34,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 02:10:34,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2020-10-15 02:10:34,965 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 16 states. [2020-10-15 02:10:35,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:35,131 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2020-10-15 02:10:35,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 02:10:35,132 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 73 [2020-10-15 02:10:35,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:35,133 INFO L225 Difference]: With dead ends: 52 [2020-10-15 02:10:35,133 INFO L226 Difference]: Without dead ends: 48 [2020-10-15 02:10:35,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=250, Invalid=452, Unknown=0, NotChecked=0, Total=702 [2020-10-15 02:10:35,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-15 02:10:35,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-15 02:10:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-15 02:10:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2020-10-15 02:10:35,140 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 73 [2020-10-15 02:10:35,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:35,140 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2020-10-15 02:10:35,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 02:10:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-10-15 02:10:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 02:10:35,142 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:35,142 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:35,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-15 02:10:35,142 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:35,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:35,143 INFO L82 PathProgramCache]: Analyzing trace with hash -223837457, now seen corresponding path program 11 times [2020-10-15 02:10:35,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:35,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1729764270] [2020-10-15 02:10:35,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:35,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:35,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:35,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-15 02:10:35,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:35,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-15 02:10:35,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:35,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:35,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:10:35,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:35,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:10:35,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:35,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:35,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:35,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:35,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:35,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:35,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:10:35,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:35,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:35,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:35,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:35,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:35,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:35,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:35,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:10:35,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:35,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-15 02:10:35,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:35,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-15 02:10:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-15 02:10:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:35,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:35,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:36,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:36,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:10:36,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:36,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-15 02:10:36,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:36,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:10:36,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:36,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:10:36,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:36,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:36,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:36,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:36,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:36,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-10-15 02:10:36,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:36,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:10:36,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:36,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:10:36,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:36,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:36,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:36,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:36,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:36,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:36,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-15 02:10:36,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:36,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:36,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:36,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:36,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:36,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:36,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:36,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:36,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:36,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:36,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:36,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-15 02:10:36,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:36,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:36,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:36,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:36,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:36,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:36,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:36,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:36,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:36,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:36,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-15 02:10:36,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:36,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:36,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:36,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:36,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:36,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:36,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:36,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 02:10:36,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:36,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:36,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:36,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:36,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:36,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:36,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:36,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:36,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:36,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:36,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 02:10:36,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:36,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:36,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:36,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:36,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:36,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:36,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:36,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:36,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:36,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 02:10:36,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:36,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:36,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:36,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:36,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:36,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:37,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:37,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:37,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:37,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:10:37,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:37,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:37,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:37,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:37,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:37,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:37,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:37,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:37,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:37,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:37,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:10:37,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:37,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:37,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:37,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:37,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:37,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:37,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:37,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:37,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:37,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:10:37,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:37,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:37,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:37,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:37,133 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 25 proven. 225 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-15 02:10:37,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1729764270] [2020-10-15 02:10:37,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:37,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-15 02:10:37,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193695252] [2020-10-15 02:10:37,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 02:10:37,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:37,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 02:10:37,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-10-15 02:10:37,136 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 17 states. [2020-10-15 02:10:37,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:37,320 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2020-10-15 02:10:37,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 02:10:37,320 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 79 [2020-10-15 02:10:37,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:37,321 INFO L225 Difference]: With dead ends: 55 [2020-10-15 02:10:37,321 INFO L226 Difference]: Without dead ends: 51 [2020-10-15 02:10:37,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=290, Invalid=522, Unknown=0, NotChecked=0, Total=812 [2020-10-15 02:10:37,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-15 02:10:37,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-15 02:10:37,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-15 02:10:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-10-15 02:10:37,328 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 79 [2020-10-15 02:10:37,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:37,328 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-10-15 02:10:37,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 02:10:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-10-15 02:10:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-15 02:10:37,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:37,330 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:37,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-15 02:10:37,330 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:37,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:37,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1653931773, now seen corresponding path program 12 times [2020-10-15 02:10:37,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:37,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2022789590] [2020-10-15 02:10:37,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:37,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:37,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:37,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-15 02:10:37,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:37,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-15 02:10:37,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:37,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-15 02:10:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:37,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-15 02:10:37,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:37,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:37,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:37,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:37,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:37,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:37,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:10:37,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:37,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:37,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:37,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:37,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:37,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:37,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:37,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:38,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:38,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:10:38,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:38,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 445 [2020-10-15 02:10:38,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:38,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-15 02:10:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:38,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-10-15 02:10:38,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:38,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:38,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:38,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:38,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:10:38,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:38,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-10-15 02:10:38,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:38,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:10:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:10:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:38,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:38,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:38,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:38,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:10:38,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:38,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-15 02:10:38,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:38,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:10:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:10:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:38,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:38,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:38,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:38,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:38,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:38,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-15 02:10:38,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:38,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:10:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:10:38,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:38,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:38,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:39,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:39,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:39,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:39,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-15 02:10:39,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:39,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:39,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:39,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:39,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:39,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:39,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-15 02:10:39,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:39,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:39,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:39,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:39,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:39,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:39,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:39,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:39,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:39,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-15 02:10:39,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:39,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:39,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:39,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:39,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:39,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:39,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:39,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-15 02:10:39,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:39,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:39,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:39,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 02:10:39,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:39,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:39,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:39,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:39,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-15 02:10:39,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:39,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:39,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:39,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:39,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:39,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:39,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:39,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:39,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:10:39,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:39,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:39,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:39,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:39,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:39,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:39,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:39,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:39,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:39,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:39,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:39,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 02:10:39,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:39,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:39,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:39,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:39,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:39,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:39,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:40,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:40,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:40,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 02:10:40,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:40,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:40,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:40,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:40,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:40,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:40,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:40,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:40,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:40,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:40,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 02:10:40,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:40,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:40,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:40,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:40,081 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 29 proven. 256 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2020-10-15 02:10:40,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2022789590] [2020-10-15 02:10:40,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:40,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-15 02:10:40,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002521749] [2020-10-15 02:10:40,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 02:10:40,084 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:40,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 02:10:40,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=194, Unknown=0, NotChecked=0, Total=306 [2020-10-15 02:10:40,085 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 18 states. [2020-10-15 02:10:40,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:40,274 INFO L93 Difference]: Finished difference Result 58 states and 59 transitions. [2020-10-15 02:10:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 02:10:40,275 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 85 [2020-10-15 02:10:40,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:40,277 INFO L225 Difference]: With dead ends: 58 [2020-10-15 02:10:40,278 INFO L226 Difference]: Without dead ends: 54 [2020-10-15 02:10:40,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=333, Invalid=597, Unknown=0, NotChecked=0, Total=930 [2020-10-15 02:10:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-15 02:10:40,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-15 02:10:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-15 02:10:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 55 transitions. [2020-10-15 02:10:40,293 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 55 transitions. Word has length 85 [2020-10-15 02:10:40,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:40,293 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 55 transitions. [2020-10-15 02:10:40,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 02:10:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 55 transitions. [2020-10-15 02:10:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-10-15 02:10:40,296 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:40,296 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:40,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-15 02:10:40,297 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:40,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:40,298 INFO L82 PathProgramCache]: Analyzing trace with hash -218674449, now seen corresponding path program 13 times [2020-10-15 02:10:40,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:40,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [322392265] [2020-10-15 02:10:40,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:40,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:40,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:40,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-15 02:10:40,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:40,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-15 02:10:40,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:40,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:10:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:40,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:40,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:40,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:40,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:40,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:40,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:40,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:40,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:10:40,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:40,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:40,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:40,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:40,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:40,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:41,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:41,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:10:41,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:41,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 461 [2020-10-15 02:10:41,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:41,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:41,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-15 02:10:41,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:41,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-15 02:10:41,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:41,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:41,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:41,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:41,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:10:41,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:41,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-15 02:10:41,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:41,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:10:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:10:41,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:41,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:41,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:41,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:10:41,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:41,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-15 02:10:41,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:41,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:10:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:41,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:10:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:41,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:10:42,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-15 02:10:42,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:10:42,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:10:42,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:42,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:42,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:42,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-15 02:10:42,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:10:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:10:42,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:42,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:42,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:42,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-15 02:10:42,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:42,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:42,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:42,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:42,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:42,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-15 02:10:42,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:42,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:42,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:42,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:42,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-15 02:10:42,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:42,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:42,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:42,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-15 02:10:42,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:42,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:42,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:42,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:42,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-15 02:10:42,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:42,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:42,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 02:10:42,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:42,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:42,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:42,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:42,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:10:42,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:42,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:42,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:42,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:42,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:42,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:42,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:42,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:42,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:10:42,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:42,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:42,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:42,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:42,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:43,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:43,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:43,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:43,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:43,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:10:43,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:43,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:43,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:43,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:43,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 315 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2020-10-15 02:10:43,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [322392265] [2020-10-15 02:10:43,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:43,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-15 02:10:43,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480075534] [2020-10-15 02:10:43,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-15 02:10:43,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:43,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-15 02:10:43,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=215, Unknown=0, NotChecked=0, Total=342 [2020-10-15 02:10:43,064 INFO L87 Difference]: Start difference. First operand 54 states and 55 transitions. Second operand 19 states. [2020-10-15 02:10:43,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:43,234 INFO L93 Difference]: Finished difference Result 61 states and 62 transitions. [2020-10-15 02:10:43,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 02:10:43,234 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 91 [2020-10-15 02:10:43,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:43,235 INFO L225 Difference]: With dead ends: 61 [2020-10-15 02:10:43,235 INFO L226 Difference]: Without dead ends: 57 [2020-10-15 02:10:43,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=379, Invalid=677, Unknown=0, NotChecked=0, Total=1056 [2020-10-15 02:10:43,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-15 02:10:43,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-15 02:10:43,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-15 02:10:43,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-10-15 02:10:43,241 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 91 [2020-10-15 02:10:43,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:43,242 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-10-15 02:10:43,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-15 02:10:43,242 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-10-15 02:10:43,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-15 02:10:43,243 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:43,243 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:43,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-15 02:10:43,243 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:43,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:43,244 INFO L82 PathProgramCache]: Analyzing trace with hash 492436605, now seen corresponding path program 14 times [2020-10-15 02:10:43,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:43,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572787703] [2020-10-15 02:10:43,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:43,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:43,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:43,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-15 02:10:43,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:43,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 332 [2020-10-15 02:10:43,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:43,589 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-15 02:10:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:43,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-15 02:10:43,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:43,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:43,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:43,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:43,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:43,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:43,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:10:43,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:43,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:43,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:43,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:43,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:43,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:43,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:43,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:43,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:10:43,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:43,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 286 [2020-10-15 02:10:43,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:43,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-15 02:10:43,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:43,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-15 02:10:43,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:43,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:43,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:44,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:44,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:10:44,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:44,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 540 [2020-10-15 02:10:44,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:44,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:10:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:44,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:10:44,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:44,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:44,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:44,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:44,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:10:44,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:44,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-10-15 02:10:44,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:44,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:10:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:10:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:45,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:45,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:45,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:45,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:10:45,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:45,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-10-15 02:10:45,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:45,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:10:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:45,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:10:45,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:45,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:45,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:45,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:45,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:10:45,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:45,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-15 02:10:45,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:45,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:10:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:10:45,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:45,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:45,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:45,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:45,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:45,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:45,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 178 [2020-10-15 02:10:45,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:45,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:45,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:10:45,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:45,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:10:45,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:45,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:45,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:45,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:45,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:45,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:45,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-15 02:10:45,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:45,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:45,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:45,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:45,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:45,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:45,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:45,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:45,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:45,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-15 02:10:45,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:45,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:45,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:45,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:45,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:45,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:46,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:46,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:46,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:46,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-15 02:10:46,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:46,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:46,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:46,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:46,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:46,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:46,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-15 02:10:46,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:46,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:46,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:46,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:46,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:46,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:46,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:46,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:46,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:46,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 02:10:46,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:46,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:46,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:46,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:46,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:46,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:46,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:46,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:46,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:46,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:10:46,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:46,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:46,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:46,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:46,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:46,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:46,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:46,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:10:46,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:46,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:46,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:46,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:46,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:46,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:46,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:46,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:46,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:46,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 02:10:46,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:46,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:46,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:46,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:46,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:46,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:46,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:46,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:46,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:46,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:46,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:46,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:10:46,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:46,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:46,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:46,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:46,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:46,440 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 89 proven. 317 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2020-10-15 02:10:46,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572787703] [2020-10-15 02:10:46,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:46,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-15 02:10:46,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42904776] [2020-10-15 02:10:46,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-15 02:10:46,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:46,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-15 02:10:46,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=237, Unknown=0, NotChecked=0, Total=380 [2020-10-15 02:10:46,442 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 20 states. [2020-10-15 02:10:46,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:46,651 INFO L93 Difference]: Finished difference Result 64 states and 65 transitions. [2020-10-15 02:10:46,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-15 02:10:46,653 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 97 [2020-10-15 02:10:46,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:46,654 INFO L225 Difference]: With dead ends: 64 [2020-10-15 02:10:46,654 INFO L226 Difference]: Without dead ends: 60 [2020-10-15 02:10:46,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=428, Invalid=762, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 02:10:46,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-15 02:10:46,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2020-10-15 02:10:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-15 02:10:46,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 61 transitions. [2020-10-15 02:10:46,662 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 61 transitions. Word has length 97 [2020-10-15 02:10:46,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:46,663 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 61 transitions. [2020-10-15 02:10:46,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-15 02:10:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 61 transitions. [2020-10-15 02:10:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-15 02:10:46,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:46,664 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:46,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-15 02:10:46,664 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:46,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:46,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1083048687, now seen corresponding path program 15 times [2020-10-15 02:10:46,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:46,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465373874] [2020-10-15 02:10:46,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:46,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:46,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:46,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-15 02:10:46,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:46,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-15 02:10:46,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:46,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:46,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:10:46,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:46,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-15 02:10:46,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:46,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:46,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:46,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:46,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:46,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:46,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:10:46,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:46,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:46,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:46,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:47,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:47,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:47,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:10:47,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:47,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-10-15 02:10:47,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:47,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-15 02:10:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:47,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-15 02:10:47,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:47,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:47,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:47,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:47,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:10:47,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:47,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-10-15 02:10:47,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:47,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:47,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:10:47,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:47,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:10:47,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:47,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:47,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:47,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:47,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:47,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:10:47,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:47,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-10-15 02:10:47,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:47,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:10:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:47,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:10:47,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:47,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:47,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:10:48,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:48,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-15 02:10:48,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:48,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:10:48,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:48,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:10:48,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:48,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:48,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:10:48,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:48,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-10-15 02:10:48,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:48,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:48,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:10:48,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:48,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:10:48,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:48,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:48,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:10:48,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:48,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-15 02:10:48,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:48,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:48,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:10:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:48,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:10:48,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:48,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:48,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:48,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:48,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 02:10:48,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:48,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:10:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:48,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:10:48,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:48,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:48,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:48,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:48,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-15 02:10:48,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:48,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:48,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:48,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:48,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:48,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:48,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:48,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:48,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-15 02:10:48,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:48,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:48,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:48,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:48,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:48,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:48,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:48,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:10:48,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:48,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:48,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:48,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:48,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:48,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:48,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:48,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:48,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-15 02:10:48,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:48,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:48,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:48,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:48,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:48,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:48,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:48,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:48,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:48,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:10:48,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:48,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:48,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:48,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:48,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:48,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:48,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:48,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:10:49,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:49,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:49,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:49,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:49,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:49,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:49,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:49,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:49,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:49,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:10:49,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:49,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:49,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:49,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:49,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:49,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:49,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:49,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:49,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:49,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:49,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:10:49,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:49,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:49,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:49,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:49,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:49,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:49,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:49,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:49,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:10:49,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:49,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:49,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 50 proven. 401 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2020-10-15 02:10:49,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465373874] [2020-10-15 02:10:49,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:49,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-15 02:10:49,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411161553] [2020-10-15 02:10:49,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-15 02:10:49,159 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:49,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-15 02:10:49,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=299, Unknown=0, NotChecked=0, Total=462 [2020-10-15 02:10:49,160 INFO L87 Difference]: Start difference. First operand 60 states and 61 transitions. Second operand 22 states. [2020-10-15 02:10:49,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:49,403 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2020-10-15 02:10:49,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-15 02:10:49,403 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 103 [2020-10-15 02:10:49,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:49,404 INFO L225 Difference]: With dead ends: 67 [2020-10-15 02:10:49,404 INFO L226 Difference]: Without dead ends: 63 [2020-10-15 02:10:49,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=499, Invalid=907, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 02:10:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-15 02:10:49,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-15 02:10:49,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-15 02:10:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-10-15 02:10:49,411 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 103 [2020-10-15 02:10:49,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:49,411 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-10-15 02:10:49,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-15 02:10:49,411 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-10-15 02:10:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-15 02:10:49,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:49,413 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:49,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-15 02:10:49,413 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:49,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:49,413 INFO L82 PathProgramCache]: Analyzing trace with hash 404015613, now seen corresponding path program 16 times [2020-10-15 02:10:49,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:49,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [224393427] [2020-10-15 02:10:49,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:49,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:49,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:49,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-15 02:10:49,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:49,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-10-15 02:10:49,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:49,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-15 02:10:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:49,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-15 02:10:49,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:49,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:49,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:49,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:49,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:49,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:49,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:10:49,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:49,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:49,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:49,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:49,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:49,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:49,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:50,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:50,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:10:50,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-15 02:10:50,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:50,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-15 02:10:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:50,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-15 02:10:50,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:50,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:50,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:50,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:50,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:10:50,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:50,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 315 [2020-10-15 02:10:50,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:50,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:10:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:50,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:10:50,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:50,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:50,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:50,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:50,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:10:50,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:50,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-15 02:10:50,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:50,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:10:50,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:50,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:10:50,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:50,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:50,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:51,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:51,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:10:51,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:51,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-10-15 02:10:51,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:51,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:51,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:10:51,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:51,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:10:51,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:51,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:51,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:51,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:51,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:10:51,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:51,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-15 02:10:51,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:51,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:10:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:10:51,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:51,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:51,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:51,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:51,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:10:51,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:51,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-15 02:10:51,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:51,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:51,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:10:51,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:51,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:10:51,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:51,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:51,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:51,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:51,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:10:51,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:51,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-15 02:10:51,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:51,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:51,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:10:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:51,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:10:51,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:51,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:51,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:51,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:51,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:51,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:51,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-15 02:10:51,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:51,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:10:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:51,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:10:51,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:51,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:51,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:51,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:51,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:51,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:51,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-15 02:10:51,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:51,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:51,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:51,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:51,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:51,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:51,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:51,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:51,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 02:10:51,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:51,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:51,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:51,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:51,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:51,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:51,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:10:51,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:51,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:51,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:51,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:52,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:52,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:52,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 02:10:52,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:52,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:52,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:52,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:52,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:52,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:52,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:52,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:52,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-15 02:10:52,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:52,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:52,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:52,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:52,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:52,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:52,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:52,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 02:10:52,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:52,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:52,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:52,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:52,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:52,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:52,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:52,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:52,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 02:10:52,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:52,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:52,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:52,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:52,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:52,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:52,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:52,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:52,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:52,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:10:52,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:52,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:52,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:52,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:52,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:52,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:52,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:52,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:52,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:52,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:10:52,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:52,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:52,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:52,332 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 102 proven. 441 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2020-10-15 02:10:52,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [224393427] [2020-10-15 02:10:52,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:52,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-15 02:10:52,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887535524] [2020-10-15 02:10:52,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-15 02:10:52,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:52,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-15 02:10:52,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=325, Unknown=0, NotChecked=0, Total=506 [2020-10-15 02:10:52,334 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 23 states. [2020-10-15 02:10:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:52,572 INFO L93 Difference]: Finished difference Result 70 states and 71 transitions. [2020-10-15 02:10:52,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 02:10:52,572 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 109 [2020-10-15 02:10:52,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:52,574 INFO L225 Difference]: With dead ends: 70 [2020-10-15 02:10:52,574 INFO L226 Difference]: Without dead ends: 66 [2020-10-15 02:10:52,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=555, Invalid=1005, Unknown=0, NotChecked=0, Total=1560 [2020-10-15 02:10:52,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-15 02:10:52,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2020-10-15 02:10:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-15 02:10:52,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-15 02:10:52,583 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 109 [2020-10-15 02:10:52,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:52,583 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-15 02:10:52,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-15 02:10:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-15 02:10:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-10-15 02:10:52,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:52,585 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:52,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-15 02:10:52,585 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:52,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:52,586 INFO L82 PathProgramCache]: Analyzing trace with hash -464475409, now seen corresponding path program 17 times [2020-10-15 02:10:52,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:52,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304547500] [2020-10-15 02:10:52,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:52,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:52,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:52,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-15 02:10:52,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:52,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-15 02:10:52,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:52,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:52,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:10:52,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:52,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-15 02:10:52,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:52,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:52,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:52,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:52,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:52,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:10:52,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:52,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:52,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:52,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:52,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:52,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:52,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:53,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:53,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:53,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:10:53,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:53,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-15 02:10:53,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:53,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-15 02:10:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-15 02:10:53,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:53,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:53,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:53,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:53,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:10:53,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:53,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 338 [2020-10-15 02:10:53,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:53,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:10:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:10:53,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:53,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:53,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:54,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:54,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:10:54,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:54,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 284 [2020-10-15 02:10:54,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:54,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:10:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:10:54,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:54,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:54,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:54,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:54,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:10:54,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:54,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-10-15 02:10:54,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:54,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:10:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:54,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:10:54,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:54,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:54,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:54,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:54,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:10:54,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-15 02:10:54,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:54,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:54,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:10:54,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:10:54,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:54,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:54,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:54,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:54,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:10:54,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:54,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-10-15 02:10:54,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:54,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:10:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:54,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:10:54,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:54,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:54,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:54,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:10:54,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-15 02:10:54,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:54,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:10:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:54,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:10:54,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:10:55,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-15 02:10:55,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:10:55,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:10:55,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:55,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:55,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-15 02:10:55,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:10:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:10:55,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:55,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:55,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-15 02:10:55,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:55,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:55,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-15 02:10:55,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:55,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:55,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:55,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-15 02:10:55,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:55,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:55,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:55,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:55,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 02:10:55,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:55,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:10:55,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:55,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:10:55,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-15 02:10:55,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:10:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:10:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:55,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:10:55,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:10:55,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:10:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:10:55,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:55,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:10:55,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:10:55,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:10:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:10:55,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:10:55,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:10:55,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:10:55,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:10:55,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:10:55,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:55,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:55,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:55,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:55,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:10:55,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:55,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:10:55,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:55,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:10:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:55,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:10:55,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:10:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 86 proven. 525 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2020-10-15 02:10:55,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304547500] [2020-10-15 02:10:55,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:10:55,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-15 02:10:55,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352168481] [2020-10-15 02:10:55,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-15 02:10:55,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:10:55,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-15 02:10:55,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=352, Unknown=0, NotChecked=0, Total=552 [2020-10-15 02:10:55,961 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 24 states. [2020-10-15 02:10:56,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:10:56,242 INFO L93 Difference]: Finished difference Result 73 states and 74 transitions. [2020-10-15 02:10:56,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 02:10:56,242 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 115 [2020-10-15 02:10:56,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:10:56,243 INFO L225 Difference]: With dead ends: 73 [2020-10-15 02:10:56,244 INFO L226 Difference]: Without dead ends: 69 [2020-10-15 02:10:56,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=614, Invalid=1108, Unknown=0, NotChecked=0, Total=1722 [2020-10-15 02:10:56,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-15 02:10:56,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-15 02:10:56,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-15 02:10:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2020-10-15 02:10:56,254 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 115 [2020-10-15 02:10:56,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:10:56,255 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2020-10-15 02:10:56,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-15 02:10:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2020-10-15 02:10:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-15 02:10:56,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:10:56,258 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:10:56,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-15 02:10:56,259 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:10:56,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:10:56,259 INFO L82 PathProgramCache]: Analyzing trace with hash 130115453, now seen corresponding path program 18 times [2020-10-15 02:10:56,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:10:56,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978896021] [2020-10-15 02:10:56,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:10:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:56,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:56,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:56,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 165 [2020-10-15 02:10:56,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 424 [2020-10-15 02:10:56,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:56,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-15 02:10:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:10:56,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-15 02:10:56,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:56,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:10:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:56,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:56,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:10:56,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:56,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:10:56,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:56,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:10:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:56,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:10:56,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:56,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:10:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:56,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:57,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:57,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:10:57,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:57,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 420 [2020-10-15 02:10:57,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:57,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:57,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-15 02:10:57,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:10:57,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-15 02:10:57,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:57,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:57,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:57,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:57,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:10:57,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:57,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 403 [2020-10-15 02:10:57,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:57,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:57,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 02:10:57,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:57,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:10:57,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:57,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:57,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:58,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:58,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:10:58,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-15 02:10:58,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:58,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:10:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:10:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:58,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:58,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:58,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:58,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:10:58,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:58,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 380 [2020-10-15 02:10:58,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:58,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:58,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:10:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:58,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:10:58,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:58,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:58,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:58,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:58,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:10:58,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-15 02:10:58,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:58,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:10:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:58,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:10:58,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:58,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:58,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:58,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:10:58,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:58,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-15 02:10:58,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:58,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:10:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:58,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:10:58,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:58,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:58,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:59,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:59,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:10:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-15 02:10:59,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:59,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:10:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:10:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:59,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:59,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:59,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:59,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:10:59,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:59,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-10-15 02:10:59,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:59,345 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:59,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:10:59,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:59,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:10:59,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:59,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:59,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:59,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:59,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:10:59,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:59,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-15 02:10:59,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:59,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:10:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:10:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:59,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:59,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:59,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:59,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:10:59,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:59,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-15 02:10:59,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:59,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:10:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:59,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:10:59,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:59,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:59,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:59,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:59,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:10:59,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:59,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-15 02:10:59,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:59,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:10:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:59,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:10:59,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:59,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:59,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:59,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:59,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:10:59,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:59,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-15 02:10:59,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:59,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:10:59,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:59,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:10:59,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:59,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:59,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:59,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:59,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:10:59,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:59,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-15 02:10:59,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:59,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:10:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:59,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:10:59,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:10:59,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:10:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:10:59,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:10:59,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:10:59,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:10:59,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:10:59,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 02:10:59,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:10:59,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:10:59,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:10:59,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:10:59,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:11:00,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:00,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:00,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:00,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:00,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:11:00,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:00,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 02:11:00,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:00,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:00,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:11:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:00,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:11:00,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:00,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:00,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:00,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:00,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:11:00,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:00,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 02:11:00,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:00,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:00,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:11:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:11:00,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:00,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:00,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:00,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:00,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:11:00,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:00,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:11:00,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:00,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:11:00,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:00,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:11:00,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:00,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:00,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:00,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:00,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:11:00,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:11:00,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:00,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:00,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:11:00,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:11:00,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:00,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:00,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:00,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:00,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:11:00,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:11:00,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:00,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:00,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:11:00,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:00,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:11:00,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 72 proven. 611 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2020-10-15 02:11:00,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978896021] [2020-10-15 02:11:00,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:11:00,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-15 02:11:00,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225593711] [2020-10-15 02:11:00,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-15 02:11:00,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:11:00,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-15 02:11:00,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=380, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:11:00,343 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 25 states. [2020-10-15 02:11:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:11:00,644 INFO L93 Difference]: Finished difference Result 76 states and 77 transitions. [2020-10-15 02:11:00,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-15 02:11:00,648 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 121 [2020-10-15 02:11:00,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:11:00,649 INFO L225 Difference]: With dead ends: 76 [2020-10-15 02:11:00,649 INFO L226 Difference]: Without dead ends: 72 [2020-10-15 02:11:00,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=676, Invalid=1216, Unknown=0, NotChecked=0, Total=1892 [2020-10-15 02:11:00,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-15 02:11:00,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-15 02:11:00,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-15 02:11:00,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-10-15 02:11:00,655 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 121 [2020-10-15 02:11:00,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:11:00,655 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-10-15 02:11:00,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-15 02:11:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-10-15 02:11:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-15 02:11:00,657 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:11:00,657 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:11:00,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-15 02:11:00,657 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:11:00,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:11:00,658 INFO L82 PathProgramCache]: Analyzing trace with hash -2010955025, now seen corresponding path program 19 times [2020-10-15 02:11:00,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:11:00,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [235192556] [2020-10-15 02:11:00,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:11:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:00,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:01,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:01,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-15 02:11:01,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:01,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-15 02:11:01,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:01,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:11:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:11:01,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-15 02:11:01,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:01,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:11:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:01,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:01,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:01,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:11:01,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:11:01,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:01,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:11:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:11:01,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:01,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:11:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:01,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:01,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:01,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 02:11:01,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:01,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-15 02:11:01,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:01,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-15 02:11:01,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:11:01,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 158 [2020-10-15 02:11:01,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:01,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:01,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:02,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:02,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:11:02,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:02,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 430 [2020-10-15 02:11:02,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:02,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:02,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-15 02:11:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:02,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:11:02,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:02,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:02,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:02,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:02,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:11:02,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:02,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-10-15 02:11:02,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:02,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 02:11:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:02,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:11:02,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:02,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:02,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:02,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:02,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:02,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:11:02,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:02,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-15 02:11:02,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:02,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:11:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:02,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:11:02,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:02,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:02,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:03,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:03,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:11:03,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:03,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-15 02:11:03,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:03,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:03,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:11:03,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:03,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:11:03,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:03,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:03,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:03,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:03,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:11:03,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:03,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 241 [2020-10-15 02:11:03,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:03,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:03,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:11:03,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:03,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:11:03,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:03,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:03,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:03,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:03,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:11:03,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:03,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-15 02:11:03,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:03,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:11:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:03,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:11:03,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:03,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:03,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:04,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:04,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:11:04,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:04,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 326 [2020-10-15 02:11:04,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:04,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:11:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:04,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:11:04,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:04,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:04,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:04,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:04,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:11:04,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:04,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-15 02:11:04,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:04,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:11:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:04,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:11:04,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:04,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:04,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:04,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:04,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:11:04,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:04,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-15 02:11:04,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:04,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:04,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:11:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:04,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:11:04,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:04,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:04,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:04,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:04,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:04,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:11:04,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:04,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-15 02:11:04,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:04,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:11:04,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:04,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:11:04,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:04,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:04,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:04,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:04,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:11:04,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-15 02:11:04,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:04,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:11:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:11:04,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:04,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:04,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:04,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:04,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:11:04,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:04,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-15 02:11:04,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:04,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:04,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:11:04,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:04,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:11:04,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:04,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:04,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:04,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:04,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:11:04,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:04,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-15 02:11:04,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:04,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:04,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:11:04,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:04,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:11:04,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:04,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:04,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:04,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:04,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:11:04,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:04,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-15 02:11:04,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:04,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:11:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:04,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:11:04,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:04,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:04,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:04,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:04,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:11:04,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:04,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-15 02:11:04,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:04,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:04,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:11:04,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:04,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:11:04,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:04,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:05,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:05,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:11:05,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:05,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:11:05,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:05,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:11:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:05,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:11:05,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:05,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:05,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:05,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:05,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:11:05,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:05,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:11:05,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:05,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:11:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:05,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:11:05,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:05,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:05,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:05,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:05,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:11:05,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:05,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:11:05,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:05,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:11:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:05,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:11:05,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:05,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:05,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:05,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:05,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:11:05,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:05,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:11:05,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:05,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:05,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:11:05,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:05,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:11:05,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 30 proven. 591 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-10-15 02:11:05,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [235192556] [2020-10-15 02:11:05,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:11:05,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-15 02:11:05,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272167132] [2020-10-15 02:11:05,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-15 02:11:05,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:11:05,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-15 02:11:05,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=362, Unknown=0, NotChecked=0, Total=600 [2020-10-15 02:11:05,212 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 25 states. [2020-10-15 02:11:05,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:11:05,518 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2020-10-15 02:11:05,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-15 02:11:05,523 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 127 [2020-10-15 02:11:05,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:11:05,524 INFO L225 Difference]: With dead ends: 79 [2020-10-15 02:11:05,525 INFO L226 Difference]: Without dead ends: 75 [2020-10-15 02:11:05,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=718, Invalid=1262, Unknown=0, NotChecked=0, Total=1980 [2020-10-15 02:11:05,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-15 02:11:05,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-10-15 02:11:05,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-15 02:11:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 76 transitions. [2020-10-15 02:11:05,530 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 76 transitions. Word has length 127 [2020-10-15 02:11:05,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:11:05,531 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 76 transitions. [2020-10-15 02:11:05,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-15 02:11:05,531 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2020-10-15 02:11:05,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-15 02:11:05,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:11:05,532 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:11:05,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-15 02:11:05,533 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:11:05,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:11:05,533 INFO L82 PathProgramCache]: Analyzing trace with hash -799288067, now seen corresponding path program 20 times [2020-10-15 02:11:05,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:11:05,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419483764] [2020-10-15 02:11:05,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:11:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:05,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:06,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:06,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-15 02:11:06,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 537 [2020-10-15 02:11:06,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:06,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-15 02:11:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:11:06,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-15 02:11:06,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:06,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:11:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:06,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:06,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:11:06,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:06,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:11:06,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:06,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:06,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:11:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:06,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:11:06,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:06,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:11:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:06,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:06,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:06,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 02:11:06,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:06,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 542 [2020-10-15 02:11:06,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:06,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-15 02:11:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:11:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-15 02:11:06,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:06,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:06,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:07,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:07,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 02:11:07,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:07,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 529 [2020-10-15 02:11:07,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:07,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:07,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-15 02:11:07,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:07,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-15 02:11:07,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:07,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:07,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:07,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:07,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:11:07,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 432 [2020-10-15 02:11:07,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:07,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-15 02:11:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:07,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:11:07,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:07,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:07,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:08,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:08,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:11:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 374 [2020-10-15 02:11:08,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:08,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 02:11:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:08,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:11:08,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:08,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:08,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:08,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:08,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:11:08,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:08,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-15 02:11:08,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:08,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:11:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:11:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:08,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:08,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:08,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:08,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:11:08,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:08,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-15 02:11:08,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:08,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:11:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:08,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:11:08,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:08,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:08,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:09,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:09,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:11:09,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:09,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-15 02:11:09,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:09,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:09,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:11:09,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:09,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:11:09,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:09,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:09,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:09,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:09,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:09,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:11:09,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:09,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-15 02:11:09,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:09,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:09,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:11:09,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:09,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:11:09,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:09,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:09,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:09,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:09,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:11:09,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:09,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-15 02:11:09,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:09,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:09,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:11:09,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:09,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:11:09,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:09,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:09,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:09,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:09,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:11:09,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:09,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-15 02:11:09,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:09,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:11:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:09,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:11:09,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:09,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:09,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:09,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:09,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:11:09,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:09,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-15 02:11:09,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:09,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:11:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:09,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:11:09,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:09,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:09,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:09,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:09,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:11:09,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:09,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-15 02:11:09,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:09,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:11:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:11:09,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:09,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:09,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:10,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:10,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:11:10,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-15 02:11:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:10,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:11:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:11:10,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:10,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:10,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:10,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:11:10,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:10,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-15 02:11:10,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:10,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:11:10,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:10,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:11:10,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:10,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:10,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:10,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:10,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:11:10,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:10,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-15 02:11:10,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:10,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:11:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:10,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:11:10,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:10,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:10,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:10,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:10,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:11:10,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:10,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:11:10,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:10,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:11:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:11:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:10,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:10,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:10,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:10,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:11:10,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:10,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:11:10,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:10,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:11:10,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:10,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:11:10,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:10,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:10,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:10,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:10,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:11:10,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:10,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:11:10,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:10,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:11:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:11:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:10,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:10,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:10,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:10,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:11:10,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:10,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:11:10,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:10,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:11:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:10,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:11:10,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:10,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:10,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:10,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:10,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:11:10,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:10,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:11:10,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:10,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:11:10,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:10,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:11:10,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:10,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:10,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:10,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:10,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:11:10,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:10,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:11:10,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:10,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:11:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:10,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:11:10,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:10,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 116 proven. 694 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2020-10-15 02:11:10,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419483764] [2020-10-15 02:11:10,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:11:10,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-15 02:11:10,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389903329] [2020-10-15 02:11:10,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-15 02:11:10,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:11:10,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-15 02:11:10,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=390, Unknown=0, NotChecked=0, Total=650 [2020-10-15 02:11:10,617 INFO L87 Difference]: Start difference. First operand 75 states and 76 transitions. Second operand 26 states. [2020-10-15 02:11:10,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:11:10,913 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2020-10-15 02:11:10,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-15 02:11:10,914 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 133 [2020-10-15 02:11:10,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:11:10,915 INFO L225 Difference]: With dead ends: 82 [2020-10-15 02:11:10,915 INFO L226 Difference]: Without dead ends: 78 [2020-10-15 02:11:10,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=785, Invalid=1377, Unknown=0, NotChecked=0, Total=2162 [2020-10-15 02:11:10,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-15 02:11:10,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-10-15 02:11:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-15 02:11:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2020-10-15 02:11:10,921 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 133 [2020-10-15 02:11:10,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:11:10,921 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2020-10-15 02:11:10,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-15 02:11:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2020-10-15 02:11:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-15 02:11:10,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:11:10,923 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:11:10,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-15 02:11:10,923 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:11:10,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:11:10,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1226192145, now seen corresponding path program 21 times [2020-10-15 02:11:10,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:11:10,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96488257] [2020-10-15 02:11:10,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:11:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:10,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:11,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:11,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-15 02:11:11,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:11,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 603 [2020-10-15 02:11:11,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:11,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:11:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:11:11,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:11:11,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:11,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:11:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:11,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:11,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:11,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:11:11,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:11,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:11:11,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:11,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:11:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:11:11,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:11,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:11:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:11,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:12,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:12,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 02:11:12,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 625 [2020-10-15 02:11:12,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:12,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-15 02:11:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:11:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-15 02:11:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:12,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:12,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:12,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:12,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 02:11:12,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-15 02:11:12,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:12,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-15 02:11:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-15 02:11:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:12,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:12,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:13,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:13,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 02:11:13,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:13,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1085 [2020-10-15 02:11:13,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:13,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:13,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-15 02:11:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-15 02:11:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:13,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:13,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:14,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:14,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:11:14,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:14,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 863 [2020-10-15 02:11:14,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:14,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:14,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-15 02:11:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:14,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:11:14,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:14,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:14,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:15,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:15,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:11:15,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:15,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-15 02:11:15,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:15,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 02:11:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:15,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:11:15,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:15,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:15,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:15,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:11:15,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:15,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-15 02:11:15,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:15,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:11:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:15,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:11:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:15,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:15,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:15,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:15,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:11:15,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:15,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 280 [2020-10-15 02:11:15,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:15,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:15,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:11:15,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:15,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:11:15,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:15,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:15,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:16,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:16,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:11:16,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-10-15 02:11:16,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:16,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:11:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:16,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:11:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:16,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:16,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:16,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:16,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:11:16,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:16,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-15 02:11:16,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:16,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:11:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:16,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:11:16,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:16,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:16,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:16,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:11:16,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:16,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-15 02:11:16,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:16,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:11:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:11:16,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:16,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:16,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:16,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:16,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:11:16,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:16,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 164 [2020-10-15 02:11:16,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:16,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:16,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:11:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:16,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:11:16,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:16,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:16,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:16,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:11:16,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:16,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-15 02:11:16,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:16,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:11:16,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:16,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:11:16,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:16,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:16,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:11:17,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-10-15 02:11:17,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:11:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:11:17,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:17,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:17,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:11:17,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-15 02:11:17,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:11:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:11:17,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:17,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:11:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-15 02:11:17,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:11:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:11:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:17,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:17,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:11:17,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:11:17,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:11:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:11:17,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:17,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:17,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:11:17,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 02:11:17,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:11:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:11:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:17,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:17,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:11:17,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 02:11:17,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:11:17,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:11:17,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:17,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:17,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:11:17,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 02:11:17,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:11:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:11:17,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:17,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:11:17,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:11:17,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:11:17,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:11:17,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:17,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:17,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:11:17,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:11:17,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:11:17,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:11:17,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:17,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:17,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:17,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:17,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:11:17,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:17,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:11:17,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:17,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:17,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:11:17,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:17,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:11:17,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 82 proven. 796 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2020-10-15 02:11:17,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96488257] [2020-10-15 02:11:17,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:11:17,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-15 02:11:17,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155311361] [2020-10-15 02:11:17,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-15 02:11:17,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:11:17,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-15 02:11:17,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=467, Unknown=0, NotChecked=0, Total=756 [2020-10-15 02:11:17,894 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 28 states. [2020-10-15 02:11:18,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:11:18,243 INFO L93 Difference]: Finished difference Result 85 states and 86 transitions. [2020-10-15 02:11:18,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-15 02:11:18,247 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 139 [2020-10-15 02:11:18,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:11:18,248 INFO L225 Difference]: With dead ends: 85 [2020-10-15 02:11:18,248 INFO L226 Difference]: Without dead ends: 81 [2020-10-15 02:11:18,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=883, Invalid=1567, Unknown=0, NotChecked=0, Total=2450 [2020-10-15 02:11:18,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-15 02:11:18,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-15 02:11:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-15 02:11:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-10-15 02:11:18,254 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 139 [2020-10-15 02:11:18,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:11:18,255 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-10-15 02:11:18,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-15 02:11:18,255 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-10-15 02:11:18,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-15 02:11:18,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:11:18,256 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:11:18,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-15 02:11:18,257 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:11:18,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:11:18,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1155535485, now seen corresponding path program 22 times [2020-10-15 02:11:18,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:11:18,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987672664] [2020-10-15 02:11:18,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:11:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:18,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:18,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:18,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-10-15 02:11:18,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:18,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 644 [2020-10-15 02:11:18,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:18,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-15 02:11:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:11:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-15 02:11:18,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:18,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:11:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:18,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:18,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:18,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:11:18,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:18,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:11:18,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:18,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:18,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:11:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:18,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:11:18,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:18,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:11:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:18,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:19,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:19,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 02:11:19,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:19,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 679 [2020-10-15 02:11:19,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:19,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:19,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-15 02:11:19,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:11:19,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-15 02:11:19,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:19,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:20,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:20,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 02:11:20,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:20,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 606 [2020-10-15 02:11:20,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:20,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:20,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-15 02:11:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:20,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-15 02:11:20,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:20,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:20,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:20,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:20,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 02:11:20,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:20,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 524 [2020-10-15 02:11:20,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:20,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-15 02:11:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:20,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-15 02:11:20,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:20,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:20,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:21,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:21,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 02:11:21,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:21,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-15 02:11:21,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:21,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-15 02:11:21,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:21,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-15 02:11:21,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:21,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:21,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:21,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:21,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:11:21,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:21,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-10-15 02:11:21,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:21,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:21,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-15 02:11:21,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:21,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:11:21,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:21,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:21,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:22,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:11:22,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 369 [2020-10-15 02:11:22,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:22,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 02:11:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:11:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:22,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:22,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:22,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:22,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:11:22,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:22,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-15 02:11:22,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:22,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:22,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:11:22,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:22,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:11:22,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:22,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:22,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:22,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:22,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:11:22,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:22,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-15 02:11:22,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:22,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:11:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:22,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:11:22,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:22,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:22,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:23,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:23,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:11:23,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:23,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-15 02:11:23,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:23,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:23,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:11:23,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:23,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:11:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:23,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:23,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:23,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:23,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:11:23,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:23,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 213 [2020-10-15 02:11:23,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:23,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:23,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:11:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:23,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:11:23,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:23,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:23,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:23,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:23,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:11:23,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:23,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-15 02:11:23,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:23,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:11:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:23,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:11:23,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:23,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:23,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:23,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:23,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:11:23,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:23,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-15 02:11:23,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:23,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:11:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:11:23,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:23,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:23,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:11:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-15 02:11:23,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:23,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:11:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:11:23,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:23,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:23,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:11:24,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-15 02:11:24,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:11:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:11:24,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:24,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:24,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:11:24,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-15 02:11:24,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:11:24,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:11:24,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:24,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:24,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:11:24,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-15 02:11:24,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:11:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:11:24,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:24,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:24,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:11:24,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:11:24,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:11:24,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:11:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:24,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:24,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:11:24,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 02:11:24,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:11:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:11:24,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:24,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:24,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:11:24,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:11:24,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:11:24,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:11:24,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 19 [2020-10-15 02:11:24,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:24,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:11:24,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 02:11:24,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:11:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:11:24,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:24,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:24,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:11:24,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:11:24,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:11:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:11:24,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:24,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:24,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:11:24,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 02:11:24,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:11:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:11:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:24,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:24,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:24,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:24,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:11:24,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:24,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:11:24,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:24,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:24,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:11:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:24,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:11:24,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:24,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 110 proven. 879 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2020-10-15 02:11:24,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987672664] [2020-10-15 02:11:24,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:11:24,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-15 02:11:24,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004386670] [2020-10-15 02:11:24,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-15 02:11:24,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:11:24,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-15 02:11:24,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2020-10-15 02:11:24,786 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 28 states. [2020-10-15 02:11:25,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:11:25,130 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2020-10-15 02:11:25,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-15 02:11:25,131 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 145 [2020-10-15 02:11:25,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:11:25,132 INFO L225 Difference]: With dead ends: 88 [2020-10-15 02:11:25,132 INFO L226 Difference]: Without dead ends: 84 [2020-10-15 02:11:25,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=928, Invalid=1622, Unknown=0, NotChecked=0, Total=2550 [2020-10-15 02:11:25,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-10-15 02:11:25,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-10-15 02:11:25,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-10-15 02:11:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 85 transitions. [2020-10-15 02:11:25,138 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 85 transitions. Word has length 145 [2020-10-15 02:11:25,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:11:25,138 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 85 transitions. [2020-10-15 02:11:25,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-15 02:11:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 85 transitions. [2020-10-15 02:11:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-15 02:11:25,140 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:11:25,140 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:11:25,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-15 02:11:25,140 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:11:25,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:11:25,141 INFO L82 PathProgramCache]: Analyzing trace with hash 478692079, now seen corresponding path program 23 times [2020-10-15 02:11:25,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:11:25,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929207072] [2020-10-15 02:11:25,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:11:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:25,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:25,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:25,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-15 02:11:25,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:25,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 761 [2020-10-15 02:11:25,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:25,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:25,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:11:25,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:11:25,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-15 02:11:25,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:25,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:11:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:25,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:25,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:25,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:11:25,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:25,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:11:25,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:25,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:11:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:11:25,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:25,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:11:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:25,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:26,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:26,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-15 02:11:26,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:26,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-10-15 02:11:26,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:26,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:26,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-15 02:11:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:11:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-15 02:11:26,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:26,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:26,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:27,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:27,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 02:11:27,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:27,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 733 [2020-10-15 02:11:27,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:27,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:27,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-15 02:11:27,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:27,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-15 02:11:27,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:27,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:28,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:28,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 02:11:28,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:28,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 591 [2020-10-15 02:11:28,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:28,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-15 02:11:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-15 02:11:28,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:28,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:28,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:28,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:28,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 02:11:28,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:28,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 540 [2020-10-15 02:11:28,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:28,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-15 02:11:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-15 02:11:28,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:28,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:28,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:29,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:29,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 02:11:29,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:29,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 475 [2020-10-15 02:11:29,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:29,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:29,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-15 02:11:29,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:29,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-15 02:11:29,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:29,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:29,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:29,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:29,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:11:29,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:29,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 415 [2020-10-15 02:11:29,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:29,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-15 02:11:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:11:29,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:29,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:29,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:30,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:30,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:11:30,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:30,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-15 02:11:30,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:30,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 02:11:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:30,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:11:30,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:30,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:30,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:30,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:30,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:11:30,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-10-15 02:11:30,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:30,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:11:30,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:30,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:11:30,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:30,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:30,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:30,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:30,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:11:30,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:30,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-15 02:11:30,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:30,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:30,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:11:30,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:30,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:11:30,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:30,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:30,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:30,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:30,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:11:30,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:30,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-15 02:11:30,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:30,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:11:30,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:30,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:11:30,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:30,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:30,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:31,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:31,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:11:31,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:31,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-15 02:11:31,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:31,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:31,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:11:31,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:31,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:11:31,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:31,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:31,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:31,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:31,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:11:31,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:31,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-10-15 02:11:31,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:31,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:11:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:31,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:11:31,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:31,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:31,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:31,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:31,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:11:31,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:31,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-15 02:11:31,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:31,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:11:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:11:31,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:31,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:31,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:31,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:31,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:11:31,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:31,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-15 02:11:31,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:31,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:31,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:11:31,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:31,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:11:31,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:31,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:31,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:31,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:31,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:11:31,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:31,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 02:11:31,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:31,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:11:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:11:31,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:31,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:31,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:31,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:31,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:11:31,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:31,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-15 02:11:31,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:31,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:31,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:11:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:31,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:11:31,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:31,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:31,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:32,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:32,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:11:32,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:32,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 02:11:32,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:32,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:32,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:11:32,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:32,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:11:32,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:32,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:32,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:32,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:32,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:11:32,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:32,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-15 02:11:32,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:32,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:11:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:32,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:11:32,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:32,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:32,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:32,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:32,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:11:32,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:32,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-15 02:11:32,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:32,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:11:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:11:32,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:32,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:32,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:32,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:32,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:11:32,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:32,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-15 02:11:32,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:32,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:11:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:32,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:11:32,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:32,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:32,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:32,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:32,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:11:32,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:32,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:11:32,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:32,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:32,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:11:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:32,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:11:32,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:32,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:32,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:32,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:32,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:11:32,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:32,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-15 02:11:32,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:32,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:32,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:11:32,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:11:32,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:32,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:32,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:32,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:11:32,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:32,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 02:11:32,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:32,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:32,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:11:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:11:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:32,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:32,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:32,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:32,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:11:32,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:11:32,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:32,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:11:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:32,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:11:32,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:32,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 120 proven. 961 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2020-10-15 02:11:32,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1929207072] [2020-10-15 02:11:32,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:11:32,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-15 02:11:32,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097914347] [2020-10-15 02:11:32,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-15 02:11:32,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:11:32,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-15 02:11:32,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=480, Unknown=0, NotChecked=0, Total=812 [2020-10-15 02:11:32,561 INFO L87 Difference]: Start difference. First operand 84 states and 85 transitions. Second operand 29 states. [2020-10-15 02:11:32,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:11:32,928 INFO L93 Difference]: Finished difference Result 91 states and 92 transitions. [2020-10-15 02:11:32,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-15 02:11:32,928 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 151 [2020-10-15 02:11:32,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:11:32,930 INFO L225 Difference]: With dead ends: 91 [2020-10-15 02:11:32,930 INFO L226 Difference]: Without dead ends: 87 [2020-10-15 02:11:32,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1004, Invalid=1752, Unknown=0, NotChecked=0, Total=2756 [2020-10-15 02:11:32,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-10-15 02:11:32,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-10-15 02:11:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-15 02:11:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-10-15 02:11:32,936 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 151 [2020-10-15 02:11:32,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:11:32,936 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-10-15 02:11:32,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-15 02:11:32,936 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-10-15 02:11:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-15 02:11:32,938 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:11:32,938 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:11:32,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-15 02:11:32,938 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:11:32,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:11:32,939 INFO L82 PathProgramCache]: Analyzing trace with hash -414572547, now seen corresponding path program 24 times [2020-10-15 02:11:32,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:11:32,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694893047] [2020-10-15 02:11:32,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:11:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:32,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:33,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:33,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-15 02:11:33,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:33,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 834 [2020-10-15 02:11:33,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:33,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:33,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-15 02:11:33,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:11:33,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-15 02:11:33,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:33,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:11:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:33,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:33,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:33,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:11:33,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:33,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:11:33,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:33,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:11:33,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:11:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:11:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:33,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:34,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:34,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-15 02:11:34,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 822 [2020-10-15 02:11:34,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:34,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-15 02:11:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:11:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-15 02:11:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:34,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:34,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:35,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:35,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-15 02:11:35,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:35,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 733 [2020-10-15 02:11:35,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:35,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:35,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-15 02:11:35,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:35,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-15 02:11:35,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:35,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:35,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:36,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:36,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 02:11:36,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:36,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 695 [2020-10-15 02:11:36,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:36,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:36,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-15 02:11:36,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:36,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-15 02:11:36,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:36,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:36,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:36,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:36,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 02:11:36,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 590 [2020-10-15 02:11:36,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:36,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-15 02:11:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-15 02:11:36,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:36,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:36,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:37,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:37,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 02:11:37,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:37,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 540 [2020-10-15 02:11:37,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:37,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-15 02:11:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-15 02:11:37,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:37,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:37,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:37,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:37,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 02:11:37,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:37,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 449 [2020-10-15 02:11:37,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:37,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:37,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-15 02:11:37,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:37,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-15 02:11:37,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:37,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:37,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:38,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:38,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:11:38,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:38,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 412 [2020-10-15 02:11:38,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:38,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-15 02:11:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:11:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:38,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:38,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:38,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:11:38,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:38,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 363 [2020-10-15 02:11:38,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:38,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 02:11:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:11:38,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:38,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:38,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:39,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:39,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:11:39,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:39,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-10-15 02:11:39,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:39,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:39,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:11:39,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:39,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:11:39,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:39,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:39,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:39,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:39,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:11:39,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:39,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-10-15 02:11:39,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:39,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:11:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:39,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:11:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:39,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:39,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:39,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:39,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:11:39,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:39,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-10-15 02:11:39,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:39,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:39,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:11:39,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:39,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:11:39,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:39,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:39,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:39,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:39,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:11:39,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:39,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-15 02:11:39,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:39,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:39,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:11:39,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:39,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:11:39,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:39,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:39,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:40,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:40,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:11:40,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:40,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-15 02:11:40,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:40,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:40,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:11:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:11:40,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:40,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:40,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:40,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:11:40,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:40,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-15 02:11:40,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:40,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:40,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:11:40,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:40,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:11:40,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:40,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:40,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:40,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:40,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:11:40,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:40,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-15 02:11:40,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:40,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:40,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:11:40,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:40,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:11:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:40,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:40,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:40,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:40,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:11:40,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:40,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-15 02:11:40,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:40,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:40,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:11:40,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:40,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:11:40,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:40,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:40,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:40,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:40,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:11:40,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:40,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-15 02:11:40,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:40,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:11:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:40,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:11:40,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:40,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:40,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:40,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:40,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:11:40,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:40,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-15 02:11:40,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:40,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:11:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:40,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:11:40,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:40,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:40,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:40,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:40,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:11:40,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:40,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-15 02:11:40,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:40,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:40,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:11:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:40,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:11:40,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:40,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:40,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:40,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:40,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:11:40,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:40,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-15 02:11:40,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:40,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:11:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:40,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:11:40,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:40,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:40,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:40,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:40,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:11:40,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-15 02:11:40,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:40,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:11:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:11:40,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:40,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:40,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:41,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:41,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:11:41,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:41,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-15 02:11:41,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:41,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:41,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:11:41,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:41,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:11:41,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:41,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:41,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:41,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:41,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:11:41,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:41,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 02:11:41,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:41,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:11:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:41,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:11:41,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:41,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:41,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:41,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:41,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:11:41,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:41,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 02:11:41,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:41,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:41,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:11:41,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:41,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:11:41,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:41,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:41,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:41,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:11:41,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:41,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 02:11:41,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:41,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:41,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:11:41,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:41,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 02:11:41,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 93 proven. 1106 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2020-10-15 02:11:41,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694893047] [2020-10-15 02:11:41,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:11:41,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-15 02:11:41,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983776335] [2020-10-15 02:11:41,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-15 02:11:41,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:11:41,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-15 02:11:41,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=566, Unknown=0, NotChecked=0, Total=930 [2020-10-15 02:11:41,307 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 31 states. [2020-10-15 02:11:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:11:41,693 INFO L93 Difference]: Finished difference Result 94 states and 95 transitions. [2020-10-15 02:11:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 02:11:41,694 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 157 [2020-10-15 02:11:41,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:11:41,695 INFO L225 Difference]: With dead ends: 94 [2020-10-15 02:11:41,695 INFO L226 Difference]: Without dead ends: 90 [2020-10-15 02:11:41,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1114, Invalid=1966, Unknown=0, NotChecked=0, Total=3080 [2020-10-15 02:11:41,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-15 02:11:41,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-10-15 02:11:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-15 02:11:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-15 02:11:41,701 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 157 [2020-10-15 02:11:41,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:11:41,701 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-15 02:11:41,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-15 02:11:41,702 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-15 02:11:41,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-15 02:11:41,704 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:11:41,704 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:11:41,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-15 02:11:41,705 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:11:41,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:11:41,705 INFO L82 PathProgramCache]: Analyzing trace with hash -975000849, now seen corresponding path program 25 times [2020-10-15 02:11:41,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:11:41,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [964141198] [2020-10-15 02:11:41,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:11:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:41,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:43,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:43,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-15 02:11:43,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:43,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1980 [2020-10-15 02:11:43,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:43,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:43,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:11:43,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 140 [2020-10-15 02:11:43,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-15 02:11:43,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:43,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:11:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:43,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:43,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:43,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:11:43,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:43,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:11:43,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:43,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:11:43,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:43,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:11:43,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:43,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:11:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:43,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:45,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:45,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-15 02:11:45,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:45,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1792 [2020-10-15 02:11:45,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:45,610 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:45,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-15 02:11:45,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:45,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-15 02:11:45,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:45,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:45,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:46,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:46,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-15 02:11:46,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:46,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 924 [2020-10-15 02:11:46,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:46,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:46,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-15 02:11:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 197 [2020-10-15 02:11:46,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:46,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:46,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:47,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:47,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-15 02:11:47,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:47,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 843 [2020-10-15 02:11:47,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:47,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-15 02:11:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:47,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 189 [2020-10-15 02:11:47,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:47,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:47,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:48,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:48,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 02:11:48,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 709 [2020-10-15 02:11:48,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:48,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-15 02:11:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-15 02:11:48,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:48,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:48,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:48,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:48,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 02:11:48,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 648 [2020-10-15 02:11:48,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:48,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-15 02:11:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 173 [2020-10-15 02:11:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:48,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:49,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:49,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:49,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 02:11:49,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:49,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 553 [2020-10-15 02:11:49,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:49,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:49,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-15 02:11:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-15 02:11:49,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:49,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:49,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:50,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:50,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 02:11:50,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 500 [2020-10-15 02:11:50,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:50,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-15 02:11:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-15 02:11:50,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:50,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:50,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:50,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:50,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:11:50,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:50,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 468 [2020-10-15 02:11:50,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:50,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:50,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 02:11:50,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:50,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 149 [2020-10-15 02:11:50,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:50,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:50,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:51,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:51,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:11:51,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-15 02:11:51,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:51,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:11:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:51,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-15 02:11:51,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:51,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:51,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:51,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:51,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:11:51,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:51,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 327 [2020-10-15 02:11:51,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:51,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:51,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:11:51,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:51,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-15 02:11:51,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:51,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:51,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:51,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:51,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:11:51,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:51,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 283 [2020-10-15 02:11:51,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:51,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:11:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:51,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 125 [2020-10-15 02:11:51,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:51,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:51,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:52,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:52,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:11:52,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:52,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-10-15 02:11:52,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:52,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:52,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:11:52,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:52,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-15 02:11:52,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:52,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:52,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:52,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:52,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:11:52,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:52,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-15 02:11:52,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:52,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:52,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:11:52,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:52,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-15 02:11:52,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:52,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:52,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:52,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:52,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:11:52,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:52,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-15 02:11:52,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:52,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:11:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:52,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-15 02:11:52,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:52,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:52,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:53,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:53,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:11:53,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:53,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-15 02:11:53,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:53,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:11:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-15 02:11:53,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:53,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:53,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:53,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:53,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:11:53,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:53,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-15 02:11:53,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:53,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:11:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:53,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-15 02:11:53,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:53,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:53,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:53,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:53,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:11:53,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:53,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-15 02:11:53,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:53,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:11:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-15 02:11:53,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:53,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:53,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:53,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:53,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:11:53,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:53,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-15 02:11:53,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:53,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:53,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:11:53,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:53,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-15 02:11:53,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:53,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:53,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:53,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:53,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:11:53,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:53,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-15 02:11:53,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:53,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:11:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-15 02:11:53,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:53,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:53,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:53,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:53,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:11:53,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:53,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-15 02:11:53,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:53,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:11:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:53,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-15 02:11:53,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:53,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:54,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:54,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:11:54,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:54,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-15 02:11:54,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:54,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:54,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:11:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-15 02:11:54,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:54,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:54,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:54,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:54,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:11:54,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 02:11:54,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:54,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:11:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-15 02:11:54,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:54,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:54,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:54,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:54,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:11:54,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:54,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 02:11:54,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:54,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:11:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-15 02:11:54,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:54,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:54,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:54,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:54,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:11:54,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 02:11:54,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:54,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:11:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:54,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 02:11:54,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:54,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:54,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:54,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:54,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:11:54,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:54,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 02:11:54,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:54,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:11:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 02:11:54,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:11:54,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:11:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:54,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:54,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:54,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:11:54,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:54,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 02:11:54,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:54,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 02:11:54,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:54,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 02:11:54,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:11:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2020-10-15 02:11:55,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [964141198] [2020-10-15 02:11:55,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:11:55,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-15 02:11:55,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271574910] [2020-10-15 02:11:55,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-15 02:11:55,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:11:55,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-15 02:11:55,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-15 02:11:55,109 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 55 states. [2020-10-15 02:11:56,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:11:56,350 INFO L93 Difference]: Finished difference Result 97 states and 98 transitions. [2020-10-15 02:11:56,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-15 02:11:56,351 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 163 [2020-10-15 02:11:56,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:11:56,353 INFO L225 Difference]: With dead ends: 97 [2020-10-15 02:11:56,353 INFO L226 Difference]: Without dead ends: 93 [2020-10-15 02:11:56,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2020-10-15 02:11:56,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-15 02:11:56,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-15 02:11:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-15 02:11:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 94 transitions. [2020-10-15 02:11:56,361 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 94 transitions. Word has length 163 [2020-10-15 02:11:56,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:11:56,362 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 94 transitions. [2020-10-15 02:11:56,362 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-15 02:11:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2020-10-15 02:11:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-15 02:11:56,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 02:11:56,368 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 02:11:56,368 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-15 02:11:56,368 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 02:11:56,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 02:11:56,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1466565251, now seen corresponding path program 26 times [2020-10-15 02:11:56,369 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 02:11:56,369 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [68243362] [2020-10-15 02:11:56,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 02:11:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:56,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:56,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:58,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:58,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-15 02:11:58,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:11:58,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2301 [2020-10-15 02:11:58,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:58,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:58,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:11:58,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-15 02:11:58,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-15 02:11:58,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:11:58,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 02:11:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:58,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:58,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:11:58,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 02:11:58,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:11:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-15 02:11:58,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:11:58,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:11:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 02:11:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:11:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 02:11:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:11:58,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-15 02:11:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:11:58,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:11:59,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:00,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:00,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-15 02:12:00,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:00,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1781 [2020-10-15 02:12:00,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:00,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-15 02:12:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 02:12:00,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-15 02:12:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:00,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:00,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:00,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:01,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:01,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-15 02:12:01,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:01,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1318 [2020-10-15 02:12:01,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:01,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-15 02:12:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-15 02:12:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:01,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:01,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:02,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:03,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:03,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-15 02:12:03,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:03,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1409 [2020-10-15 02:12:03,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:03,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-15 02:12:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:03,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 199 [2020-10-15 02:12:03,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:03,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:03,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:03,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:04,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:04,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-15 02:12:04,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:04,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1149 [2020-10-15 02:12:04,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:04,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-15 02:12:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:04,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-15 02:12:04,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:04,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:04,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:04,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:05,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:05,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-15 02:12:05,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:05,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-10-15 02:12:05,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:05,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:05,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-15 02:12:05,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:05,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-15 02:12:05,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:05,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:05,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:05,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:06,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:06,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 177 [2020-10-15 02:12:06,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:06,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1111 [2020-10-15 02:12:06,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:06,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-15 02:12:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 175 [2020-10-15 02:12:06,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:06,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:06,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:06,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:07,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:07,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-15 02:12:07,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:07,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1089 [2020-10-15 02:12:07,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:07,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-15 02:12:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 167 [2020-10-15 02:12:07,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:07,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:07,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:08,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:08,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:08,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-15 02:12:08,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:08,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 706 [2020-10-15 02:12:08,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:08,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:08,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-15 02:12:08,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-15 02:12:08,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:08,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:08,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:08,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:09,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:09,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-15 02:12:09,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:09,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 817 [2020-10-15 02:12:09,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:09,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-15 02:12:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:09,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-15 02:12:09,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:09,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:09,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:09,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:10,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:10,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-15 02:12:10,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:10,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 717 [2020-10-15 02:12:10,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:10,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-15 02:12:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:10,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 143 [2020-10-15 02:12:10,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:10,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:10,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:10,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:10,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:10,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 137 [2020-10-15 02:12:10,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:10,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 579 [2020-10-15 02:12:10,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:10,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-15 02:12:10,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:10,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-15 02:12:10,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:10,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:10,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:11,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:11,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:11,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-15 02:12:11,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:11,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 572 [2020-10-15 02:12:11,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:11,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-15 02:12:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-10-15 02:12:11,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:11,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:11,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:11,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:11,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:12,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:12,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-15 02:12:12,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:12,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1032 [2020-10-15 02:12:12,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:12,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-15 02:12:12,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:12,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-15 02:12:12,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:12,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:12,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:12,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:12,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:12,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-15 02:12:12,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:12,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-15 02:12:12,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:12,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-15 02:12:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-15 02:12:12,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:13,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:13,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:13,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:13,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:13,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-15 02:12:13,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:13,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 371 [2020-10-15 02:12:13,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:13,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:13,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-15 02:12:13,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:13,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-15 02:12:13,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 02:12:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:13,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:13,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:13,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:13,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-15 02:12:13,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:13,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-15 02:12:13,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:13,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-15 02:12:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:13,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-15 02:12:13,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:13,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:13,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:13,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:14,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-15 02:12:14,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:14,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-15 02:12:14,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:14,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:14,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-15 02:12:14,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:14,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-15 02:12:14,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:14,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:14,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:14,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-15 02:12:14,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:14,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-10-15 02:12:14,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:14,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:14,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-15 02:12:14,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:14,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-15 02:12:14,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:14,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:14,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:14,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-15 02:12:14,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-15 02:12:14,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:14,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:14,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-15 02:12:14,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:14,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-15 02:12:14,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:12:14,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:14,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:14,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-15 02:12:14,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:14,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-15 02:12:14,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:14,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-15 02:12:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-15 02:12:14,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:14,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:14,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-15 02:12:14,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:14,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-15 02:12:14,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:14,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-15 02:12:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:14,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-15 02:12:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 02:12:14,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:14,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:14,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-15 02:12:14,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:14,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-15 02:12:14,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:14,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-15 02:12:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:14,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-15 02:12:14,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:14,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:14,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:14,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:14,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-15 02:12:14,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:14,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-15 02:12:14,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:15,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-15 02:12:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-15 02:12:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:15,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:15,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:15,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:15,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:15,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-15 02:12:15,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:15,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-15 02:12:15,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:15,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:15,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-15 02:12:15,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:15,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-15 02:12:15,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:15,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:15,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:15,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:15,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:15,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 02:12:15,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:15,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 02:12:15,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:15,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-15 02:12:15,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:15,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 02:12:15,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:15,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:15,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:15,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:15,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:15,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 02:12:15,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 02:12:15,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 02:12:15,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:15,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:15,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 02:12:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:15,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-15 02:12:15,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:15,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 02:12:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 02:12:15,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 02:12:15,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 02:12:15,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 02:12:15,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 02:12:15,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 02:12:15,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 02:12:15,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 02:12:15,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 02:12:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 02:12:15,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-15 02:12:15,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 02:12:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 52 proven. 1026 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2020-10-15 02:12:15,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [68243362] [2020-10-15 02:12:15,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 02:12:15,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-15 02:12:15,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538032223] [2020-10-15 02:12:15,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-15 02:12:15,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 02:12:15,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-15 02:12:15,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2020-10-15 02:12:15,525 INFO L87 Difference]: Start difference. First operand 93 states and 94 transitions. Second operand 30 states. [2020-10-15 02:12:15,678 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-15 02:12:15,838 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:12:15,999 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-15 02:12:16,146 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-15 02:12:16,312 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-10-15 02:12:16,457 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-15 02:12:16,611 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-15 02:12:16,743 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-10-15 02:12:16,886 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-15 02:12:17,019 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-15 02:12:17,285 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-15 02:12:20,839 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2020-10-15 02:12:20,993 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:21,157 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:12:21,317 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:21,488 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:21,655 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:21,823 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:21,996 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:22,173 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:22,352 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:22,537 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:22,722 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:22,919 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:23,109 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:23,312 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:23,514 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:23,719 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:23,930 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:24,141 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:24,364 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:24,590 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:24,827 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:25,076 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:25,316 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-15 02:12:25,563 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-15 02:12:25,980 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2020-10-15 02:12:26,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 02:12:26,151 INFO L93 Difference]: Finished difference Result 241 states and 890 transitions. [2020-10-15 02:12:26,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-10-15 02:12:26,154 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 169 [2020-10-15 02:12:26,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 02:12:26,155 INFO L225 Difference]: With dead ends: 241 [2020-10-15 02:12:26,155 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 02:12:26,162 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 96 SyntacticMatches, 11 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2953 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=3084, Invalid=7836, Unknown=0, NotChecked=0, Total=10920 [2020-10-15 02:12:26,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 02:12:26,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 02:12:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 02:12:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 02:12:26,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-10-15 02:12:26,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 02:12:26,163 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 02:12:26,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-15 02:12:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 02:12:26,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 02:12:26,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-15 02:12:26,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 02:12:27,097 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 8 [2020-10-15 02:12:27,104 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-15 02:12:27,105 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-15 02:12:27,105 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-15 02:12:27,105 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-15 02:12:27,105 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-15 02:12:27,105 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-15 02:12:27,105 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2020-10-15 02:12:27,106 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 9 15) the Hoare annotation is: true [2020-10-15 02:12:27,106 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 9 15) no Hoare annotation was computed. [2020-10-15 02:12:27,106 INFO L268 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-10-15 02:12:27,106 INFO L268 CegarLoopResult]: For program point L12(lines 12 14) no Hoare annotation was computed. [2020-10-15 02:12:27,108 INFO L264 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: (= main_~input~0 25) [2020-10-15 02:12:27,108 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-10-15 02:12:27,108 INFO L268 CegarLoopResult]: For program point L12-2(lines 9 15) no Hoare annotation was computed. [2020-10-15 02:12:27,108 INFO L268 CegarLoopResult]: For program point idFINAL(lines 4 7) no Hoare annotation was computed. [2020-10-15 02:12:27,108 INFO L268 CegarLoopResult]: For program point idEXIT(lines 4 7) no Hoare annotation was computed. [2020-10-15 02:12:27,108 INFO L271 CegarLoopResult]: At program point idENTRY(lines 4 7) the Hoare annotation is: true [2020-10-15 02:12:27,108 INFO L264 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: (and (<= id_~x |id_#in~x|) (not (= |id_#in~x| 0)) (<= |id_#in~x| id_~x)) [2020-10-15 02:12:27,109 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-10-15 02:12:27,109 INFO L268 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2020-10-15 02:12:27,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 02:12:27 BoogieIcfgContainer [2020-10-15 02:12:27,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 02:12:27,117 INFO L168 Benchmark]: Toolchain (without parser) took 124267.64 ms. Allocated memory was 146.3 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 102.7 MB in the beginning and 503.4 MB in the end (delta: -400.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-15 02:12:27,118 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-10-15 02:12:27,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.31 ms. Allocated memory is still 146.3 MB. Free memory was 102.3 MB in the beginning and 92.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-10-15 02:12:27,120 INFO L168 Benchmark]: Boogie Preprocessor took 27.23 ms. Allocated memory is still 146.3 MB. Free memory was 92.0 MB in the beginning and 90.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-15 02:12:27,120 INFO L168 Benchmark]: RCFGBuilder took 311.08 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 90.7 MB in the beginning and 170.8 MB in the end (delta: -80.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-10-15 02:12:27,120 INFO L168 Benchmark]: TraceAbstraction took 123696.45 ms. Allocated memory was 202.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 170.8 MB in the beginning and 503.4 MB in the end (delta: -332.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-10-15 02:12:27,124 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 228.31 ms. Allocated memory is still 146.3 MB. Free memory was 102.3 MB in the beginning and 92.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.23 ms. Allocated memory is still 146.3 MB. Free memory was 92.0 MB in the beginning and 90.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.08 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 90.7 MB in the beginning and 170.8 MB in the end (delta: -80.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 123696.45 ms. Allocated memory was 202.9 MB in the beginning and 1.8 GB in the end (delta: 1.5 GB). Free memory was 170.8 MB in the beginning and 503.4 MB in the end (delta: -332.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 122.6s, OverallIterations: 27, TraceHistogramMax: 27, AutomataDifference: 17.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 454 SDtfs, 1924 SDslu, 4782 SDs, 0 SdLazy, 4209 SolverSat, 1031 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1744 GetRequests, 837 SyntacticMatches, 16 SemanticMatches, 891 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8276 ImplicationChecksByTransitivity, 19.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 27 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 57 PreInvPairs, 57 NumberOfFragments, 19 HoareAnnotationTreeSize, 57 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5260 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 104.4s InterpolantComputationTime, 2457 NumberOfCodeBlocks, 2457 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2430 ConstructedInterpolants, 0 QuantifiedInterpolants, 844704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 8112/18954 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...